the marathon, and have taken several weeks of rest to allow your body to recover, you can get back to more serious weight-lifting.Hal Higdon, RW USA Senior Writer
. The quadriceps muscles are essential for lifting your legs off the ground, and for protecting your knees against pounding. Don’t overlook the quads when you do your strength training. Here’s a simple isotonic exercise you can do seated at your desk. Put one ankle
