stabilize

  1. drtbear1967

    Working the Serratus Anterior.

    The serratus anterior is a muscle located on the surface of your first 8/9 ribs, at the side of the chest. The main functions of the serratus is to stabilize the shoulder when you upwardly rotate and protract the scapula. It's also often called the boxer's muscle since boxers heavily use the...
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