When Amy carriers a heavy book bag all the way to school, she is demonstrating 1. hypertrophy
2.Muscular endurance
3.muscular strength

Which of the following represents the results of a review of well-controlled studies of vitamin c supplementation on the resistance to, and recovery from, colds? there was a reduction in the duration of colds by 50% on the average. there was a slight effect on reducing the duration and severity of colds for people taking vitamin c supplements. there was a significant reduction in the duration of colds in people who consumed at least one gram a day. there was a significant reduction in the number of colds only in people who consumed > three grams per day.

Elderly nursing home residents tend to decline faster and die sooner than they would otherwise if they lacka)biofeedback. b)mindfulness meditation. c)perceived control. d)type a personalities

If something is painful during exercise, what should you do? a. back off the exercise. b. modify the exercise. c. consult a physician if the pain persists. d. all of the above