Foam Rolling... Mobility work or Masochism?

I think it helps to first understand WHY foam rolling is helpful. Consider this- a muscle is not a single rubber band that contracts uniformly. Rather, a muscle is a series of small units which can contract somewhat independently of each other. These units are called sarcomeres. Due to overuse, poor body mechanics, posture, etc a cluster of sarcomeres can stay contracted forming a trigger point. 

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