Muscle fibers are energy spenders. They need a lot of oxygen to maintain proper functioning. So, there a lot of blood vessels within your rotator cuff. If the muscle gets torn, the vessels will too. That’s why you will notice a slight bruise and a possible discoloration of the skin. This may not be a reason to panic but take it seriously. Consult your doctor about the nature of the bruising. You can get supplements along with some rest direction. That way, you will recover faster.

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