Why is weight training an important part of a fitness program to ensure optimal health for the body?
Weight training may not lead to excessive muscle buildup but can lead to an increase in the lean muscle mass that will enable the body to expend more calories during rest, which could help with weight management. Muscles that are not used will start to break down (atrophy).
Weight training can also strengthen the abdominal muscles so that they support the back better. This would reduce the risk of back injury. Weight training also keeps the bones strong throughout life by putting stress on them, which causes them to accrue more calcium and phosphate salts. Weight training strengthens the muscles needed for particular sports, which will increase a person's enjoyment and participation in that sport.
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Fiber in our diet is important because it helps prevent all of the following except:
a. constipation. b. hemorrhoids. c. diverticulitis. d. liver disease.
According to scientific research involving animals, ________ may extend one's life.
A. following a high-fiber, high-protein diet B. taking DHEA supplements C. consuming megadoses of vitamins D. restricting energy intake
Substances used to improve overall exercise and athletic performance are known as
A) pyruvates. B) pantothenic aids. C) ATP-enhancers. D) ergogenic aids.
Dehydration is classified in terms of the
A) percentage of weight loss exclusively due to loss of fluid. B) subjective amount of thirst a person experiences. C) relative amount of fluids consumed against the amount of urine excreted. D) amount of weight lost relative to a person's original weight.