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Post by Mech on Jun 6, 2006 21:54:04 GMT -5
Respiration in Reboundology
Pulmonary ventilation increases rapidly after the beginning of rebounding and reaches a plateau which is determined by the height, the speed, the force, and the relative amount of the bounce. Arterial blood lactate concentration is not the cause of this increased oxygen uptake as it is with other forms of exercise. The Higher ventilation is augmented by a rise in both the amount of air sucked in with each inhalation and the breathing frequency. Bouncing brings on greater pulmonary action.
This is one of the reasons that rebounding exercises may help tobacco and marijuana addicts to cut down on their smoking. There is an increased aerobic metabolism during the exercises with increased ventilation and gas exchange in the lungs becoming necessary. Adequate alveolar ventilation, sufficient numbers of red blood cells in the pulmonary capillaries, and normal ratios between ventilation and perfusion are factors of importance. The large ventilation during rebounding leads to a considerable increase in the energy expenditure of the respiratory muscles and respiration will become a limiting factor for smokers.
Unless they are absolutely intent in pursuing their death wish, which makes them blind to their reduced ventilation capacity, the smokers will recognize their need to take in more oxygen per liter of air consumption. Tidal volume increases in both the inspiratory and expiratory direction during rebounding aerobics. But a smoker will have so damaged his alveoli (while he continues as a persistent smoker), he won't be able to utilize the required oxygen. This is because the total ventilation is divided into the ventilation of "dead space" and that of the alveoli.
At a given total ventilation, a higher breathing rate as is necessary in rebounding, is concomitant with lower alveolar ventilation. There is a tendency of the "physiological dead space" to increase with smoking. The alveolar ventilation increases from 70 percent of the total pulmonary ventilation at rest to about 90 percent of total ventilation during rebounding. If physiological dead space has been pathologically created from smoking, the smoker will realize an inadequate alveolar expansion. Simply, he won't perform well at all on the rebound unit. Thus, rebounding is a test of the extent of damage a smoker inflicts on his ability to breathe and extract oxygen from the air. While performing rebounding aerobics, the forces against which the respiratory muscles have to work are::
(1) elastic forces in the tissues of the lung and chest wall, (2) flow resistive forces in the airways and tissues, and (3) inertial forces which depend upon the mass of the gas and the tissues. The work done against inertia is negligible At rest most of the respiratory work is done against elastic forces. With increasing ventilation; during rebounding, the flow resistive work rises rapidly.
The oxygen cost of breathing for the same ventilation is about 40 percent higher when you rebound than when you sit in a comfortable chair. At a ventilation of sixty liters per minute (1/min), 4 percent of the total energy you expend is used for breathing. During a vigorous bouncing session with ventilation's of 110 to 120 1/mm the corresponding value rises to at least 9 percent. That's the amount of energy you use to breath.
Pursuing the highest and most rapid bounce for a prolonged period on your rebounding device, the maximal possible ventilation you could expend would be between 130 and 170 1/min. The work of breathing is not a limiting factor for rebounding under other than extreme conditions such as performing at a high altitude or inhaling the smoke of perhaps sixty cigarettes a day.
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Post by Mech on Jun 6, 2006 21:57:18 GMT -5
The University of Utah Studies Rebounding
I guess the question of safety has to be an important one,especially since every book on exercise has one or two chapters on injury, everything from dog bites to shin splints. This is probably what prompted Craig McQueen, M.D., to ask A. W. Daniels, Ph.D., Adjunct Professor, Material Science and Engineering and Orthopedic Surgery of the University of Utah to analyze the comparison of the impact loads transmitted by rebounding and more conventional exercise surfaces.
In this report, they compared rebounding to jogging. Briefly,they accomplished the following:
Determined the approximate spring constant of the rebounder by measuring the deflection of the surface when various persons of known weight stood on it. It was found that the constant was 770 lb/ft.
Calculated the length of time of impulse load contact for a "typical" 165 lb. person running on a rebounder, and on a wooden board track where the constant was 33,000 Lb./ft. The time of contact is inversely proportional to the impact force. The calculated times of contact were .13 seconds for the rebounder and .02 seconds on the wooden board track.
Since .02 is only about 15% of the .13, the maximum impact force on the rebounder would be only 1/6th that of the wooden board track.
One of the major problems runners have is structural damage caused by the constant pounding of the skeleton against unforgiving surfaces.
Peter Daetwiler of Hong Kong, an executive of a hotel chain,was a runner who needed weekly cortisone shots in his knee to combat the pain and swelling before he was turned on to rebound exercise. He was then able to maintain his level of cardiovascular endurance in the safety and convenience of his home in less time, and without the expensive and painful medication.
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Post by Mech on Jun 6, 2006 21:57:57 GMT -5
Rebounding Aerobics for Vision Therapy
Theodore S. Kadet, O. D., a vision therapist in Issaquah, Washington, has found the techniques of re-bounding aerobics to be valuable for using the eye muscles to correct contractions of the cornea. Dr. Kadet said, "Rebounding creates an awareness of using vision as a primary guiding system for movement. The inability to use vision efficiently as a major sentry system to the brain can be a primary cause of learning disabilities in children and adults. I am confirming what other authorities have found before me. Our treatment in optometry of these visual perception dysfunctions help Mother Nature along in the development of vision and vision-auditory interaction systems."
Vision therapists, spearheaded by notables in the field such as A.M. Skeffington, O.D., G.N. Getman, O.D., and D.B. Harmon, Ph.D., under the auspices of the Optometric Extension Program, provide clues to visual difficulties and their correction. Rebound exercise is a main therapeutic approach. It supplies an environment where the perceptual system matures at amore rapid rate.
In explaining the visual therapy. Dr. Kadet said "We concentrate on such areas as visually guided body movements; hand-eye coordination; visual size, space,form and direction relationships; visual-auditory integration; figure-ground relationships; visualization and memory skills. The rebounding device is used to bring about efficient visually guided movement of the entire body. Rebounding aerobics gives magnificent feedbacks to what the child did, thus bringing about a rapid awareness as using vision to guide movement.
"Using the rebound unit often helps to bring about directional awareness, especially right and left. Confusion in these areas is a result of letter and word reversals. The device has found a welcome home in the offices of developmental optometrists using vision therapy. It is one of the most effective techniques to bring on visually guided movement pattern," concluded Dr. Kadet.
Dr. G.M. German also stated, "Clinical and research studies of rebound exercise indicate that the rebound unit can provide experiences that influence a child's academic success. Optometrists are recommending rebound exercise for the improvements of the total visual and body control."
Dr. Shankman, who recently incorporated rebounding aerobics as part of his visual training program,added, "When I work with patients in optometric vision training, I want them to be able to identify a stimulus and to be aware of any change in the stimulus. Using the body to begin vision training is the best way to start the individual being aware of when there is a change, plus the degree of the change in the action stimuli. The goal of body awareness is to have the patient become aware of the stimulus regardless of its strength, when the small-est change takes place in strength, or change in what it represents."
Use of the rebounding device permits total body awareness of where you are in space. It helps you gather clues from your surroundings so that a habit pattern builds. The habit of knowing where you are in space from clues provides depth perception. You see better and interpret the information coming to your brain through your eyes more effectively.
"In rebounding, you have to learn to use your muscles and do it quickly," said Dr. Shankman. "If you don't learn muscle coordination on the rebounding device, you will face a severe consequence of falling and possibly hurting yourself. Whenever there is a consequence you will learn faster. Rebounding requires that you keep your balance, and you use your eyes for this purpose. By rebounding the same way, using the same exercise positions time after time, you are bound to come to a saturation level where your eyes won't improve anymore. But changing the exercises so as to force yourself into new balancing positions will have the eyes continue their improvement. You get the benefit from rebounding for the sight and mind by relating the objects around you to the space which you are occupying as you bounce up and down. For this purpose, it's better not to watch television while you are rebounding, because you may ignore the rest of the visual field around you."
Dr. Shankman suggested, "Eye improvement might speed up by rebounding to the beat of a metronome. Have the metronome change its rhythm, and you will then get a -'thinking' experience by conforming to the metronome's sound change in your bouncing. You will have feedback from knowing you are rebounding in rhythm correctly."
Raymond Gottlieb, O.D. of Santa Monica, California, another visual therapist, agrees with Dr. Shankman about the rhythm correction of rebounding aerobics. Dr. Gottlieb said, "One of the characteristics of people who suffer from inefficient vision is the lack of rhythm.The rebounding device gives rhythm to the brain from the systematic bouncing. This allows the eyes some externally generated rhythm to fall back on and thus become more coordinated. Your bounce acts like a metro-nome. You become the metronome yourself.
"Physiologically, you have all of these proprioceptive inputs hitting the thalmus, which is the section of the brain receiving sensory inputs, especially auditory and visual information. Getting multiple inputs, the thalmus organizes the visual readings at a particular moment in time. Also, with the greater circulation stimulated from rebounding, you will have more energy for seeing. There is circulation of the cerebral spinal fluid in the brain, enhanced lymphatic circulation, and better blood circulation. Any toxic circumstances possibly interfering with the vision centers will be dissipated,"said Dr. Gottlieb.
"The way the rebound unit is used is a factor, too" he added. "If a therapist acts as an assistant and observer, the rebounding participant will get a lot more benefit out of his bouncing. The therapist helps to monitor progress and himself adds to the feedback from the rebound unit. The observer can show you if your mind wanders by remarking upon an incorrect answer when you produce one while bouncing and reading an eye chart. Re-bounding alone, you're not likely to take sufficient responsibility for doing a procedure or eye exercise correctly. Then, you won't learn, or you'll learn poorly,"Dr. Gottlieb said.
In working with the rebounding apparatus, a visual therapist helps the patient monitor his own errors and his own perfection. The visual therapist is really at-tempting to teach a process of seeing and a way of using your brain to assimilate all the information coming into it. It's not mechanical as is done in structural optometry, but rather you are taught a learning style.
Dr. Gottlieb recommended that you try a test to see if you have a coordination or learning problem. If you can bounce on all fours, the two knees and two hands bearing your own weight on the rebound device, and can spring up and down without bucking, you indicate that you have it all together - excellent coordination. Dr. Gottlieb discovered this self-test when he worked at a mental hospital attending to retarded inmates. They could never bounce on all fours.
There are other visual tests and exercises to perform while you're bouncing on the rebound unit. For instance, Dr. Shankman suggests that you could mount the front page of a newspaper on the wall and read smaller and smaller headlines as you rebound. Or, you could read from your own eye chart.
For another exercise, try observing the corner of a room where the ceiling and wall meet and follow where they join all across the room with your eyes as you bounce.
These various suggested techniques are possible ways to strengthen your eyes as you rebound. How? Why? Because the eyes are comprised of body cells, and every cell in the body is basically similar to every other. They come from the same egg and sperm source,have the DNA (deoxyribonucleic acid), know their separate jobs, and read that part of the blueprint of life that has something to do with their job. The cells of the eye know what messages they're supposed to send and receive.
The up-and-down activity of acceleration, deceleration, and gravity develop a greater impact on the eye cells at the bottom of the bounce where every cell is being exercised, stimulated, and doing its job to the best of its ability. Physical cellular strength builds in the millions of eye cells at the bottom of the rebounding bounce.
Furthermore, rebounding permits better aqueous circulation to take place in the eye to feed the cornea,the iris, and the lens. Unlike the rest of the body, the aqueous is a puddle of nutrition for the eye cells. This clear solution has the same chemical makeup as the lymph. It contains nutrients, enzymes, metabolic wastes, and other constituents. An aqueous that circulates more effectively gives you a cleaner and more nourishing environment for the eye cells to do their job.
Rebound exercise eliminates stress, which is a primary reason for people to wear eyeglasses. Like crutches, the lenses reduce the effort for the eye muscles.
When you are stressed, you close down, shrink in,and don't flow with the situation. But Dr. Gottlieb told how he uses the exercises of rebounding to overcome stress. He said, "If you are involved in a stress situation,you follow a characteristic pattern for dealing with that stress. Rebounding exposes the pattern to you and to the therapist, if you're being assisted, and a positive reward is created by the bouncing exercise. You then get to learn your stress pattern very well, thus allowing you to break it and get rid of the stress."
Becoming aware of the movement of your eyes as you bounce, just like a piano player becomes aware of his fingers, tends to give the eyes strength and clarity. You then learn how they can improve. The multiple combination of all these aspects of seeing do provide the basis of better sight and vision.
Regardless of the condition of your eyes, unless they are sightless, they can be improved beyond the vision you currently have. The end result of your applying visual therapy in the form of rebounding aerobics is that better perception comes upon you. Perception is the way in which you look at life and act or react to it. Improved perception has you approach life in a more up-lifted way so that you must become a happier person.
In an interview especially for this book, Ann Hoopes,co-author of Eye Power, The First Report on Visual Training (Alfred A. Knopf, 1979), told us of her thirty-year-old son, Peter, who became one of those people experiencing improved perception and found himself a happier person.
We'll let Ann Hoopes tell about her child: "My son Peter didn't finish college because he had a terrible time reading and had one injured eye. He finally gave up and turned to carpentry and bartending and other things. His eye disability ran his life because there wasn't anything he could do in the white collar world. He couldn't read easily. Over the past ten years he noticed he was getting progressively unable to read, and he felt dizzy at times and confused. His problem is that he has one eye that sees near and one eye that sees far.
"This is a not-uncommon chronic problem. As a matter of fact, former President Jimmy Carter has this eye problem, which sets up a syndrome in people's thinking when they suffer from this. It makes it difficult for them to make decisions because one eye pulls the brain in a near direction and the other eye pulls in a far direction. This is why I believe President Carter followed so many zigzag foreign policies," said Ann Hoopes.
"Peter, too, has been unable to make decisions about his life. For about five months, now, Peter has been in visual training, and he can finally read comfortably, has taken courses and gotten his real estate license, done some clerical jobs on the side, gone jogging and swimming every day, and is getting his life in order. Peter is filled with a kind of energy that he has never experienced before.
"Twice a week for a year, my son went for visual training to Stanley A. Appelbaum, O. D. of Bethesda, Maryland. He also does some home visual exercises for twenty-five minutes a day and he does a lot of daily physical exercise. Also, he takes good nutrition including many vitamins," Mrs. Hoopes concluded.
In summary, the eyes are semi-muscular organs that must be exercised like any other muscle in the body. The techniques for visual therapy are quite specific eye muscle movements for conditioning the eyes to see more effectively. Often times, the visual therapy includes rebounding aerobics, since rebounding exercises every muscle in the body including the eyes.
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Post by Mech on Jun 6, 2006 22:00:57 GMT -5
Dr. Harry Snelder Studies Rebounding
"I know how to make rebound exercise even better," I heard one day when I was at the National Health Federation Convention, in Anaheim, California. The voice belonged to Harry Sneider, fitness coach of Ambassador College, in Pasadena, California.
"If you can improve on rebound exercise, you have my undivided attention," I remember saying. That was the beginning of Aerobic Resistive Rebounding, a simple concept of putting light weights in the hands and running, jumping or bouncing on a rebounder while moving the weights in organized motions. Since Harry Sneider's background was that of training body builders and training athletes for Olympic competition, he felt rebounding would fit in his system of honing and fine-tuning his athletes. The cellular, or whole-body exercise concept was appealing to him, but he wasn't going to turn his back on resistance training. It took a little ingenuity and 1, 2, and 3 pound sand bags to combine the two exercise methods. This is one case where the sum of the two parts is greater than the parts.
Resistive, on isotonic exercise, involves muscle contraction under opposition with movement. Weight lifting is a good example of organized resistive exercise. Who can argue with success? I am not about to argue with Mr. Universe or Jack Lalanne, but when Dr. Sneider began to introduce rebound exercise to them, they too caught on to the fun and easy benefits.
Engineers Study Rebound Exercise
One way exercise is measured is by the amount of work preformed, or accomplished. So I turned the problem over to an engineer friend of mine. I introduced him to Harry and Sarah Sneider's Olympic Trainer, an exercise package consisting of three sets of hand-held weights, 1, 2, and 3 pound sandbags to be used in conjunction with rebounding. The participant goes through an organized series of upper body movements while walking, jumping or running on a rebounder.His conclusions are simple but revealing. He has been kind enough to take us through easy-to-understand logical steps to an amazing conclusion. You'll enjoy the step by step logic.
Step 1. If one stands still on the rebounder and holds a one pound weight in each hand, it will exert one pound pressure on each arm, a total of two pounds on the trunk and legs.
See? that's easy to understand. If you stand on a bathroom scales and somebody hands you two pounds of butter, the scales will add two pounds to your weight.
Step 2. If one jumps on a rebounder creating a 2 G force, the weight will create 2 pounds of force at the bottom of the bounce on each arm; a total of \ pounds on the trunk and legs.
Your weight is doubled when you bounce high enough to create 2 Gs. Even your clothes weigh twice as much. Even the weights in your hands weigh twice as much.
Step 3. If one creates the bounce by rhythmically moving the weights in the hands forcefully up and down, the G force is at least doubled again at the bottom of the bounce and 1 G of deceleration at the top of the bounce. This subjects each arm to an additional five pounds of resistance, or a total of 10 pounds.
If you are analyzing this as we go, you are beginning to seethe synergistic effects of two forms of exercise being combined into one.
Step 4. If one moves the weights from the shoulders to the waist while sinking into the mat six inches and bouncing off the mat six inches, the weights in the hands move upward a total of approximately 2 feet each bounce.
Remember, the formula for work-produced is weight-times-distance.
Step 5. Assume one bounces six inches off the mat 100 times in a minute, moving the weights 1 foot in a curl exercise. That would be moving 10 pounds x 2 feet x 100 times, or 2000 foot/pounds of work in one minute. ... or, if you used 2 pound weights with the same exercise, it would be 4000 foot/pounds of work. . . . or, if you used the three pound weights, 6000 foot/pounds.
That's three tons of work! The skeptic will say, "That's impossible," then go out and lift one-forth of his automobile with a small jack in order to fix a flat.
Step 6. For the purpose of illustration, let's assume that you use the two pound weights moving them an average of one foot while sinking six inches into the mat and bouncing six inches off the mat. You complete the Daily Dozen (a series of exercises shown in "Harry and Sarah Sneider's Olympic Trainer"), 25 repetitions, 3 sets. It takes you 20 minutes. This would be the equivalent of moving a 40 ton freight car 1 foot in 20 minutes, or a Volkswagen up 40 steps in 20 minutes, or curling a 100 pound barbell 200 times in 20 minutes!
That's just calculating the movement of the weights in your hands, what about your body?
Step 7. Assume you weigh 150 pounds and are bouncing high enough to create 2 Gs. At the bottom of the bounce you weigh 300 pounds. Your entire weight is moved upward 1 foot 100 times a minute x 20 minutes, or 600,000 foot/pounds!
That's the equivalent of moving a 300 ton freight train engine1 foot in 20 minutes! Add that to the 40 ton freight car and you will begin to understand why resistive rebounding is destined to revolutionize our concept of weight training. Granted, the springs in the rebounder do some of the work,but that's the beauty of it. Your cells can't tell the difference!
Dr. Kenneth Cooper's Institute of Aerobics Research Studies Rebounding
Anything as amazing as the reported results of rebound exercise doesn't stay hidden forever. Those who begin to enjoy the benefits become disciples. They extol the virtues of rebounding, and soon even the most skeptical come around. Scientists are skeptics by profession. Somebody sent copies of my "Miracles" and "Sneider's Olympic Trainer" to Dr. Kenneth Cooper's Institute of Aerobics Research in Dallas,Texas. Near the end of 1981, I received a telephone call from R. Donald Hagan, Ph.D, Director of Exercise Physiology, telling me that some of the stories in the "Miracles" were simply too hard to believe. When I told him that they were all true, he asked me, "Are they backed by scientific studies?"
"No." I said. "I'm not a scientist. I'm merely reporting what I'm learning."
"Well, we need scientific evidence before we can accept rebound exercise as a viable form of exercise."
"You're a scientist aren't you?" I countered. "Why don't you study rebound exercise and report back to me? Besides, it will be more credible if you perform the study rather than us." I received a letter dated December 10, 1981. confirming our conversation, which began, "It has been a pleasure talking to you about rebound exercise. We are preparing a research proposal to study rebound exercise. . . We would be most interested in evaluating the 'daily dozen charts' outlined in Dr. Sneider's book on rebounding, and any other exercise program that you believe people would be interested in knowing about."
The report of the completed study came across my desk six months later. They must have been impressed because this is the way it started out.
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Post by Mech on Jun 6, 2006 22:50:54 GMT -5
Top 24 benefits of Rebounding.
1. Rebounding is 68% more efficient than jogging (as noted by NASA in a study published in the Journal of Applied Physiology)!5
2. Improves digestion and elimination of cellular waste.
3. Accelerates metabolism to burn calories for weight control.6
4. Increases oxygen uptake and promotes detoxification via the lungs, skin, and lymph.
5. Has a natural analgesic effect on the body, relieving pain in the neck, back, and head by increasing circulation and oxygen flow.7
6. Lowers blood pressure, triglycerides, and cholesterol naturally by increasing oxygenation and dilating the blood vessels for smoother and easier blood flow.8
7. Improves circulatory disorders by increasing cellular respiration.
8. Promotes regular elimination. Exercise is known to increase metabolism and relieve constipation.
9. Has a stabilizing effect on the nervous system thereby reducing stress. Rebound exercising increases endorphin output, thereby promoting the relaxation response. Increased oxygen flow increases our sense of well being without the toxic side effects of narcotics or anti-depressants.
10. An excellent precursor to sports training, including golf, tennis, skiing, skating, mountain climbing, and kick boxing, "without" incurring joint trauma.
11. Promotes physical and mental efficiency (and stability) by increasing oxygen levels and decreasing toxicity (heavy metals and cellular waste).
12. Provides "no impact" aerobics, especially helpful for those that are handicapped, arthritic, elderly, or immune compromised with limited mobility.
13. An optimal exercise method for pregnant women to stay in shape without incurring musculoskeletal trauma.
14. Provides aerobic exercise without incurring stress to the joints.
15. An ideal method for teaching youngsters coordination and balance while encouraging physical fitness.
16. A superior exercise for those that are immune compromised including cancer and MS. Rebounding stimulates healing and cleansing. Rebound author and lecturer Linda Brooks notes rebounding 2 minutes every hour "is the ideal protocol for defense against cancer. In just two minutes the entire lymphatic system is flushed," and and white blood cell count nearly triples, providing a greater defense system to destroy cancer cells.9
17. A year round exercise that can be performed indoors or outdoors and is easily portable to provide exercise on the go for those that travel. Great for stay at home moms, home business owners, or office executives who can all easily store a fold up rebounder in a nearby room for easy access and convenience.
18. Has a "triple E" rating--economical, efficient, and effective. A single rebounder can provide years of daily exercise. It is convenient for those that are homebound, unable to jog or access a gym. It is readily portable (folds and fits into its own travel case) and stores neatly out of the way. Great for apartment, home, trailer dwellers or travelers. One can rebound year round -- indoors or outdoors, rain or shine. Six minutes of rebounding equals one mile of jogging. One can run several miles in place while rehearsing a speech, singing, talking on the phone, watching T.V., listening to music, or while jumping outdoors enjoying "helio" or sun therapy.
19. Will not incur repetitive motion injuries.
20. An optional stabilizing bar makes this rebounder even more secure for those unsteady on their feet or having disabilities requiring a bar to hold onto while bouncing.10
22. Excellent for toddlers. Movement affects balance. Rebounding has a positive affect on stabilizing right and left hemispheric brain balance.
23. Has positive implications for improving the mind/body connection, especially for Learning Disabled Children exhibiting a poor sense of rhythm, coordination, and balance. Medical journalist Dr. Morton Walker notes, when you move and exercise, you engage every brain and body cell. This has a profound and positive impact on stimulating neural activity.11
24. The father of modern aerobics exercise, Dr. Kenneth Cooper, discovered that alternating aerobic exercise with weight training actually increased strength. His Institute of Aerobic Research documented the strength gains from resistive rebounding in 1981.
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Post by Mech on Jun 27, 2006 22:54:04 GMT -5
"Total Health"
by Dr. Tina Wellman, Ph.D, PNE
What is the weakest force in the universe and has the most profound effect on the human body? Gravity. As we age, the relentless pull of gravity causes our body to sag in a southerly direction. We develop wrinkles, flabby forearms, portly midriffs, vericosities, edemic feet and ankles, stooped shoulders, turkey necks, and compressed spines, to name a few multifarious insults to our body shape.
To compensate for this "G-force" we must continually work against it through body movement. Regular exercise is essential to maintain optimal health. Apiarian Royden Brown noted, "It has been scientifically documented that exercising regularly increases longevity and enhanced quality of life."1 The proverbial expression "either use it or lose it" applies to the body's need for daily exercise as well as to maintain musculoskeletal strength, immunity, and psychobiological balance. The best nutrition in the world cannot sustain us if our circulation is stagnant and we do not receive oxygen-rich blood to our body's three trillion cells.2
G-force--Gravitational Force: Gravitational force is key to understanding resistive rebounding's health benefits. By combining the forces of acceleration and deceleration, body cells are tricked into believing they are being subjected to increased gravity.3 NASA clearly demonstrated the virtues of rebounding when they designed an exercise protocol in the zero gravity of space. Loss of bone density and muscle mass are the negative results incurred to astronauts soaring through the cosmos at zero gravity. Scientific blood analysis that included subjecting weakened blood cells (of returning astronauts) to increased G-force evidenced an increase in cellular strength. It is this increase in G-force during rebounding (specifically during deceleration) that challenges body cells to strengthen.4
An Exercise for all Ages: Rebounding knows no social boundaries and has no age limitations. Exercise guru (now juicing advocate) Jack LaLanne often demonstrated rebounding on his popular T.V. exercise program. Comedian Bob Hope once noted "I keep my rebounder at the foot of my bed and use it daily." Morning talk show host Regis Philbin enjoyed a rebounding session during one of his interviews with fitness expert and nutritionist to the stars, Rheo Blair, on his 1970's "A.M. Los Angeles" television program. A rebounder even found its way into the White House during the Reagan administration!
Virtues of Rebounding: "Rebounding," or jumping on a mini trampoline has universal exercise appeal and a plethora of health benefits. The repetitive rhythmic motion of bouncing on a mini trampoline provides a zero impact simple exercise method with high impact long term (mental and physical) health benefits that extend from youth to old age.
Additionally, Olympic fitness trainers Dr. & Mrs. H. Sneider (owners of Sneider's Fitness Center in Pasadena, CA) illustrate a comprehensive fitness program in their book "Olympic Trainer". The Sneiders encourage using sand bag weights for building upper arm strength and endurance.15
Rebounding is no stranger to the greater health community. Exercise personality Joanie Greggains notes the importance of rebounding as an effective way to stimulate the lymph system in her upcoming book "The Fat Flush Fitness Plan" (McGraw-Hill) due out next January. Greggains' exercise compendium complements Ann Louise Gittleman's (PhD, CNS) popular "Fat Flush Plan," which advocates rebounding as part of her regimen for maintaining health and a svelte physique.
Reflections for long-term health: As children we are inherently inclined to move from a young age...we crawl, walk, run, and jump. As we transition from childhood to adulthood we exchange our active and mobile lifestyle for a sedentary and immobile one, where our daily exercise routine is restricted to clicking a computer mouse or the remote control, or depressing the microwave keypad to heat up a prepackaged dinner. We sit at our desk, on our couch, in our car, on a train, in a plane, and expend brain energy without physical movement. Then we wonder why we experience intermittent brain fog and increasing weight gain in unwanted places.
In our high tech society where everything around us is increasingly automated and demands less physical effort, our lack of movement is increasing our health risks (and abdominal girth!) while negatively affecting our mental acumen. We require high levels of oxygen to think clearly--something sitting cannot accomplish. Movement is vital to circulate the blood that carries oxygen to the brain. The moral: Keep active and take advantage of a simple non-toxic method of exercising that is easy on the budget and beneficial to the entire body.
Given our nation's health crisis includes cardiovascular disease, cancer, and obesity, let's find the time to take a few minutes each day to improve our health. What a difference those few moments make in providing us with improved mental and physical well being. Otherwise, we will have to resort to toxic measures to "treat" failing health conditions which could be avoided by taking some preventative measures like rebounding. Why take blood thinners and blood pressure pills when we can avoid the problem by encouraging good circulation?
We all learn what we live as children. Isn't it time to set the pace for the next generation and encourage everyone to preserve their youthful health, vim, and vigor? Why not make our next "coffee break" a time to jump for health and well being? Let us all "reverse gravity" by exercising daily.
To your good health! Dr. Tina Wellman
Dr. Wellman is the author of Psychoneuroendocrinology: Copper Toxicity and Premenstrual Syndrome. She blends nutritional support with environmental detoxification to achieve wellnes. Her efforts in this field are groundbreaking, and provide hope for healing and wellness.
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