Benefits of Exercise
- Detoxification of Stress Related Compounds: During the stress response somewhere in the neighborhood of 1500 biochemical reactions occur in the body. Neurotransmitters are activated, hormones are released, and nutrients are metabolized. Some body systems (e.g., the cardiovascular system) accelerate their functions and others (e.g., the gastrointestinal system) slow down their operations in response to stress. This is commonly referred to as the fight of flight response. The body is being prepared to expend physical energy which in prehistoric times was necessary for survival. In modern times most human stress is psycho-social in nature, so the need to respond physically in most cases is unnecessary. Unfortunately the byproducts of the stress response continue to circulate in the body and have the potential to create physical illness (e.g., cortisol secretion's impact on the immune system). Regular exercise is useful in removing the byproducts of the stress response by providing the opportunity to simulate the fighting or running dictated by the fight or flight phenomenon. As such, regular exercise allows the body to return to homeostasis faster and reduce the physical impact of psycho-social stress.
- Physical Activity as an Outlet for Anger and Hostility: Recent research has documented the important role that expression or repression of anger and hostility plays in disease progression. For many, physical activity is a healthy catharsis for this most caustic of emotions. Used properly (see recommendations below) exercise provides a socially acceptable means of physically releasing negative energy. Whether one gets in a racquetball court and bangs away at at a ball, or beats up on their pillow, the physical release of energy appears to dissipate feelings of anger in a healthy way.
- Moving Meditation: Certain forms of exercise (jogging, cross country skiing, swimming, hiking, bicycling) require a fairly consistent repetitive motion that can alter one's state of consciousness. Described by some as moving meditation, the physiological effects of regular participation in these activities is very similar to what happens when one practices meditation. Breathing and movement, act as a mantra and may in part be responsible for the feelings of calmness and tranquility claimed by some in response to exercise.
- Enhanced Feelings of Self Esteem and Self Efficacy: Appropriately high levels of self esteem and self efficacy have been correlated with increased ability to cope with high stress levels. Exercise cultivates self esteem and self efficacy in a number of ways including; a. when ever an individual knowingly participates in a health enhancing activity it is common to experience increased feelings of self worth as one realizes they are doing something which will ultimately benefit them, b. participation in physical activities that have known social value attached to them, promotes social acceptance and status, c. an added benefit of regular physical activity is that it has the potential to alter one's body image in a socially desirable manner thus increasing self image and improving self esteem, d. frequent physical activity also promotes consistent physical challenges which when conquered, foster feelings of self efficacy.
- Periodic Solitude and Introspection: For some, exercise is a solitary escape from the daily toils and pressures of a stressful society. The escape can be a bicycle ride in the country, the cocoon of a lap pool, an early morning run, or any other form of physical exertion that provides a mini vacation and allows one to recharge their energy levels to deal with conflicts when they return. Others use this time to self reflect on issues of importance, or to stimulate creative problem solving.
- Opportunities for Social Support: The buffering effects of social support are well documented. Recreational activities (softball, golf, a fun run, a pick up game of basketball) encourage a sense of fun and play with other individuals that have similar interests and can provide a number opportunities to discuss life situations. The sharing that ensues, ensures one that they are not alone and that help is available for the asking.
- The Power of Human Touch: A significant volume of research is accumulating on the positive physical properties of human touch. Some of the research has demonstrated a reduction in stress related hormones accompanying positive expressions of human touch. Recreational and sporting endeavors raise occasions and provide excuses to touch others in a positive way. As an example, in a culture that breeds homophobia, men are told that it is socially acceptable to hug other men and pat them on the buttocks during sporting events. This behavior is normally considered taboo and many men would otherwise have few chances to express emotions in such a physical manner.
- Reduction of Muscular Tension: During stress muscles contract (Bracing) and loose their normal resting muscle tone. Bouts of physical activity allow muscles to work, thereby releasing stored energy and allowing muscle groups to return to their normal resting potential. This action also reduces further stress that is precipitated by pain and discomfort associated with muscular tension (e.g., tension headaches, arthritic joint pain, backache, temporomandibular joint dysfunction). Stretching and yoga are also effective in reducing muscular tension.
- Endorphin Theories: Catecholamines including ß endorphins have been shown to increase during physical activity of twenty minutes or more. Chemically similar to opiate compounds this morphine like substance has been shown to provide an analgesic (pain relieving) effect and promote a sense of euphoria. First suggested as the mechanism of the so called second wind or runner's high, the presence and effect of these chemical compounds in the brain is now controversial (see: Stoll, O. (1997) Endogenous opiates, Runner's High and Exercise Addiction - The rise and decline of a myth (Endogene Opiate, Runner's High und Laufsucht - Austieg und Niedergang eines Mythos). Leipziger Sportwissenschaftliche Beitraege.). The physical and emotional symptoms of withdrawal associated with the rapid decrease of physical activity (as occurs with athletic injuries) of physically fit individuals has also been attributed to this hormone. Most of the controversy in this area has do to with our inability to measure chemical changes that occur on the other side of the blood brain barrier. Regardless of the neuro chemical reaction or other mechanisms that initiate changes in emotional status, this phenomenon does seem to exist. The positive mood states associated with frequent exercise are so significant that some have suggested that this is a more effective treatment for clinical depression than either psychotherapy, or the use anti depression drugs.
- Increased Somatic Awareness: One of the byproducts of relaxation training is that practitioners develop an increased sense of somatic awareness. This means that they become more in tuned with their body. They are able to detect subtle changes in their physiology that they were previously unaware of (e.g., breathing depth and respiration, muscular tension, heart rate). This new awareness allows individuals to be able to circumvent the physiological process of stress before it can cause problems. Regular physical activity will enhance the same awareness. As a result it is much easier to teach relaxation training to physically fit individuals. Conversely, those who are the most out of touch with their bodies, have the most difficulty in learning to alter their physiology in a health enhancing way.
- Decreased Boredom and the Stress of High Risk Activities: Too little stress in one's life can be just as upsetting as too much stress. It is natural for humans to seek out stimulation and excitement. For some the opportunity for physical challenges is the most interesting part of life. This urge can be expressed through activities such as running as fast as one can, swimming as far as one can, or hitting a golf ball as straight and hard as possible. On the far end of the continuum are people who voluntarily involve themselves in high risk physical activities such as extreme skiing, hang gliding, scuba diving, and jumping out of perfectly good airplanes. By constantly testing themselves individuals learn how to take on higher and higher loads of stress. The learning that ensues transfers over to stress that is experienced in daily life. For example, it would be difficult to imagine someone spending all day solo rock climbing without the use of ropes for safety, driving back into a city and getting upset over being caught in traffic.
- Training for Competition: Being related to physical activity, many advocates of competitive sports contend that participants learn a great deal about life and what is necessary for success through their participation. Knowing what it takes to win, how to accept loss, how to set goals, how to deal with high levels of stress, and how to get along with others are all mentioned as lessons learned through involvement in sports.
- Improvement in Sleep and Rest: A symptom of stress overload for some is the inability to sleep or get adequate rest. A fatigued individual is less able to perform at a high level. Exercise has been shown to be very effective in helping some individuals fall asleep easily and sleep more soundly. The assumption is that one is not over doing physical training and becoming exhausted from the activity.
- Fitter to Fight Stress and Disease: One who is physically fit has organ systems that are functioning at an optimal level. If this individual should become ill, or injured, or even pregnant, they will demonstrate more stamina and greater resiliency to fight the discomfort . It is also likely that fit individuals will recover more quickly.
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San Diego, CA 92121
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