all Verizon 12:14 AM session.masteringhealthandnutrition.c Ch 11 Nutrition and F

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all Verizon 12:14 AM session.masteringhealthandnutrition.c Ch 11 Nutrition and Fitness Visual Summary for Chapter 11: Nutrition and Fines Drag the appropriate items into their respective bins. View Available Hint(s) Frequeney Type earning Outcomes 0 11.3 Describe the roles of carbohydrate, fat, and protein during physical activity, LO 14 List optimal food sources before, during, and after exercise, L0 11.5 Describe the mportance of vitamins and minerals for physical fitness. Part C Understanding Nutrients and Exercise Carbohydrates, protein, fat, vitamins, and minerals each contribute to overall health and an ndividual's ability to exercise. The sources and timing of these nutrients can also affect Choose the correct statements about specific nutrients and exercise. Select all that apply View Available Hint(s) A meal high in fat should be consumed just before exercise since the body uses these nutrients for fuel. Vitamin and mineral supplements are a helpful way to provide athletes with extra The protein needs for most recreational and competitive athletes can be met without the use of protein supplements. All athletes should take calcium supplements since they are more prone to broken bones and fractures. A meal or snack containing both protein and carbohydrates should be consumed within 45 min of the conclusion of exercise.

Explanation / Answer

r11.3. During physical activity,

Role of carbohydrate, fats and proteins : Carbohydrates are the important source of energy for physical activities since it is a nesassary element for maintaining muscle and liver glycogen levels because it will reduce the risk of fatigue during exercise. In case of long time activities, carbohydrates helps in maintaining blood glucose levels which in turn reduce the negative effects of cortisol (cortisol will reduce the levels of lymphocytes that will affect the immune system). Fats are the major source for oxidative phosphorylation which helps in generating energy (ATP). During long time activity, reduction of fats will be slower so that which makes glycogen depletion lower which in turn helps in long time energy supply for the activity. Adequate Proteins are important for stregth of the muscles during physical exercise. Proper preotein intake in diet is mandatory and it should be taken on time for nesessary building of tissues. Proteins are key factor for protection of muscle and bone strength.

11.4 Before exercise, one can eat heavy meals about 3 to 4 hours before exercise and can eat limited diet 1 or 2 hours before exercise. Carbohydrate rich food will provide sufficient energy for long time exercise. Fruits can be taken as snacks instead of having junk food items. High fibre, minerals and vitamin food items can be taken before undergoing exercise.

11.3. Vitamins and Minerals are the major body building meterials which provide enogh strength for fitness exercise. The above two factors acts as vital coenzymes and cofactors in cellular energy generation. Vitamis (B6, B12, A, D and C) play a major role in many cellular functions which in turn regulates general body functions nesessary for physical fitness.

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