Muscles are intricately involved in almost every aspect of an animal's life. As Vogel (Cats' Paws and Catapults), professor of biology at Duke University, explains, "muscle has been our sole engine ...
Shoulder pain can be the force that halts your physical activity and curtails your goals. It may start small and slowly build. Trauma also can be a source of shoulder pain. Lifting with poor form may ...
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