to help prove it injury, each time you participate in vigorous activity you should be sure to include a
a. Proper warm-up.
b. Proper warm-up and cool down.
c. Proper cool down.
d. Proper warm-up and stretching.
a. Proper warm-up.
b. Proper warm-up and cool down.
c. Proper cool down.
d. Proper warm-up and stretching.