what is gird shoulder
Glenohumeral Internal Rotation Deficit (GIRD) is a term used to describe to the apparent loss of shoulder internal rotation (IR) range of motion often seen in overhead throwing athletes.The loss of IR in the throwing shoulder is often accompanied by an increase in external rotation (ER) range of motion.lenohumeral Internal Rotation Deficit (GIRD) is a term used to describe to the apparent loss of shoulder internal rotation (IR) range of motion often seen in overhead throwing athletes.