Which of the following is not true concerning warm-up exercises?
a. they should be low-intensity.
b. they should get progressively more intense.
c. they should last 20 to 30 minutes.
d. they should increase heart rate, breathing, and temperature.

Which type of nerve creates a 'mental map" of the relative positioning of the body at any given point in time?

A72-year-old woman fell in her bathtub and fractured her hip. in viewing the fracture, x-ray revealed osteoporotic changes in her bone as well. after reduction of the fracture, and immobilizing the bones with internal pins, what type of exercise would the doctor have advised her to do as soon as she was able in addition to prescribing calcium supplements to improve her bone mass?

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