The shoulder joint is critical for many overhead sports, including baseball, swimming, and the throwing events from track and field. It operates through larges ranges of motion in several planes to perform a large array of powerful, sporting movements.
Unfortunately, the shoulder often becomes painful or suffers injury among overhead athletes as well as in the general population. The causes of such pain and injury have been difficult to identify. Some researchers have argued that a slouched posture could be contributory.
Biomechanically speaking, different postures are expected to lead to different joint movements and levels of muscle activation. And in this respect, exactly how shoulder biomechanics are affected by slouched postures is still unclear.
Recently, a new study was performed that adds some more detail to the picture.
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