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chapter 9 Material Type: Notes; Professor: Whitney; Class: Healthy Lifestyles; Subject: Phys Fitn: Health/Fitn Wlns; University: Lansing Community College; Term: Fall 2011;
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There are 6 skill related components of fitness. They are important for successful motor performance in sports but you can still live a healthy life if you have poor skill related fitness. Physically active people can benefit from learning some of these skills associated with physical fitness. Some of the benefits include: Improved reaction time, balance, coordination and agility. Improved ability to generate maximum force in a short time. Improved speed, even as age increases. The following are skill related components of fitness: Agility —the ability to change body position and direction quickly and efficiently. Do you remember the shuttle run test in grade school where you had to run down to the end of the gym and pick up a block and run back to the starting line, put it down on the line only to have to run back and repeat the block pick-up two more times? This was testing your agility. A person who is agile can change directions quickly. Balance —the ability to maintain the body in equilibrium. Hopefully you will never have to demonstrate this in front of a police officer! Coordination —the ability to produce correct, graceful and harmonious body movements. Some of us are born coordinated and others have to work on it. But don’t worry if you are one of the uncoordinated people out there. You can still live a very happy, healthy life. Power —the ability to produce maximum force in a short time. There are two components of power: speed and force. It is necessary in many sports, especially ones that require a quick, powerful start. Reaction Time —the time required to initiate a response to a stimulus. This is very important when driving a car. Speed —the ability to rapidly propel the body or part of the body to a given point. You may need this to catch a departing bus or run after a child in the street.
For physically inactive people, start at 50% intensity and build gradually. Monitor heart rate during exercise frequently. Be sure to warm-up prior to exercise. Warm–up for about 5-8 minutes by gradually increasing your activity until you achieve your target heart rate. Cool down should follow every exercise session and should be done until heart rate is less than 100 bpm. For weight loss—drop the rate of intensity so that you can exercise for longer periods of time. Try to extend the duration up to 45 minutes.
Regular exercise, while not a guarantee against heart disease, does help reduce risk of heart disease. However, it does not make you immune to heart and blood vessel disease. Genetics plays a large role in this. But if you do have heart disease, if you are in shape, you stand a greater chance of surviving then someone who is out of shape. To achieve the lowest risk of cardiovascular disease, one must expend at least 2000 calories per week or 300 calories per day. The physical high of exercise is due to endorphins, which are released by the pituitary gland. It is a form of morphine and is a great pain killer. This is what you become addicted to but it is a great addiction. Those with asthma should have a regular exercise program approved by their doctor. It is better to exercise regularly then randomly. Those with arthritis also should partake in a regular exercise program. A regular flexibility program that takes them to the point of their pain but not beyond it, is recommended. Water aerobics or chair fitness classes are a great choice. Those with diabetes should also exercise with the approval of their physician. Exercise has been proven to help those who have both Type 1 and Type 2. Aerobic exercise does not make one immune from the damaging effects of smoking. So don’t think that since you have done your exercise program for the day, that you can now go smoke a cigarette. Studies have shown that some people smoke to keep their weight down but the extra pounds are better for your health then smoking that cigarette. Exercise is safe during pregnancy with these suggestions: Exercise at a mild-moderate pace and decrease intensity by about 25% from your pre-pregnancy program. When tired, stop exercising. Watch out for decreasing balance as pregnancy progresses and don’t choose activities that might lead to a loss of balance. Eat right and stay well hydrated. Avoid exercising in heat especially during the first 3 months. Exercise regularly instead of intermittently. Exercise can help relieve painful menstruation (dysmenorrhea) since it improves blood flow to the uterus. Menstruation should not inhibit exercise. Wear clothing appropriate for the seasons. It should be comfortable and allow freedom of movement. Avoid nylon and rubberized materials since they do not breathe.
R - Rest I - Ice (indirect, usually 20 minutes on, 20 minutes off) C - Compression (wrap in an ace bandage) E - Elevation (elevate it above the heart) Muscle soreness—due to actual tiny tears in the muscle. (Usually called DOMS, Delayed Onset Muscle Soreness.) Mild stretching and a warm bath may help. Gradual conditioning is important prevention. Exercise Intolerance—symptoms include rapid or irregular heart rate, difficulty breathing, nausea, light-headedness, pale skin, sore muscles or cramps, tightness in the chest. Slow down your pace and stick with your target heart rate to prevent these symptoms. The cause of a side stitch is unknown but it could be related to lack of sufficient blood flow to the muscles. As conditioning improves the sharp pain in the lower quadrants will recede. Slow down your pace to relieve the pain. Also, drink plenty of fluids since dehydration may also be the cause. Shin splints are pain and irritation in the shins. It is due to improper conditioning, chronic overuse, fallen arches, muscle fatigue, improper shoes or sometimes being overweight. The most common cause is muscle imbalance: a very strong calf muscle and a weak shin muscle. This is due not only to working one side and not the other but staying up on the toes when running, jumping, etc. instead of allowing the heels to hit the ground.) A bad floor surface such as cement can also cause shin splints. To prevent, remove the cause, stretch before exercise, use an ice massage before and after exercise and use supportive taping. (RICE) Muscle cramping can be caused by a depletion of electrolytes or lack of coordination between opposing muscle groups. Stretch muscles, rub down muscles and then mild exercises can help relieve pain.
Research has shown that on average people in developed countries have about 3.5 hours of leisure time each day but that most of this time is spent in sedentary activities. Think about ways you could increase your physical activity by increasing the amount of “movement” time and decreasing the time you spend in sedentary activities.
The first step is to develop your personal exercise prescription. Realize that the first weeks may be the hardest as you build your endurance and build your habits. Here are some suggestions to help you succeed: Keep it fun Get an exercise partner Set short term and long-term goals Use the right clothing and shoes to prevent injuries Join a group or class Vary your routine and location of exercise Use earphones with music or books on tapes as you exercise (keep the volume low to avoid ear damage) Keep a record of your exercise
Lack of time Lack of a safe place to exercise Scheduling difficulties Lack of confidence Dislike of vigorous exertion
Here are some suggestions for putting your best foot forward when walking: Walk slowly to begin with and then stretch. End the walk the way you began it—slowly. Maintain good posture, pull in your stomach and walk tall! Wear good supportive walking shoes. Pump your arms back and forth and burn an additional 5-10% more calories. Use the heel to toe method. The heel of your leading foot should touch the ground before the ball or toes of your foot do. Bend your knees slightly as you raise your heel. Avoid using ankle or hand weights while walking. Research shows that there is already a lot of stress on your ankles, knees, shins and hips without using weights. The few extra calories burned while using the weights, is not worth the chance of injury. Drink plenty of water before and after your walk.
It is highly suggested that older people have a regular exercise program to participate in in order to maintain independent living and avoid disability. It should include light cardio plus strength and flexibility workouts. Tests show that the overall health of seniors is improved with a regular fitness program.
Most of us do not have to worry about overtraining. If you work out many hours each day, most of the days of the week, you may experience overtraining. It is a feeling of burn out. You just don’t feel like training. You may be getting silly small injuries over and over again. They heal but are very aggravating. You may also experience insomnia. You may find that you are just too tired to sleep. If any of these symptoms happen to you, simply cut back on your workouts for a few weeks. Or change the type of work you are doing. Variety is a great help for burnout.