jump the rope with your right foot only by bending your left knee and holding it up above the ground. Make an effort to land ...

A muscle strain, or a pulled muscle, is among the most common injuries affecting people of all ages, particularly those engaging in physical activity or sports.

A muscle strain, or a pulled muscle ... If you want to pick up an object with a rope, you need to pull on it until it becomes taut and eventually shortens. If you want to lower an object with ...