The hamstring muscles are responsible for your hip and knee movements in walking, squatting, bending your knees, and tilting your pelvis. Hamstring muscle injuries are the most common sports injury.

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Your body contains both muscles you control, such as your triceps and quads, and muscles you don’t, such as the heart and blood vessels. The muscular system is what allows your body to move. Muscles ...

Seeing the inner workings of a hand, or the nervous system surrounding the spleen, doesn’t seem appealing to most people. However, “Gray’s Anatomy,” the corpus of medical students and artists for over ...