Baseball Injuries: Pitchers Beware of GIRD

Many pitchers have various arm injuries associated with the art of throwing a baseball repetitively. Often, the pain is felt in other areas of the arm, such as the elbow, but the root of the problem might be in the shoulder. GIRD (Glenohumeral Internal Rotation Deficit) is a syndrome resulting in the loss of internal rotation of the Glenohumeral joint, where one side of the shoulder is tightened and the other side of the shoulder is stretched. This causes changes in range of motion.

A simple test can help determine if GIRD is a potential problem (but consult a licensed medical doctor before attempting in order to avoid further injury). Lay flat on your back, extend each arm out to the side at shoulder with shoulders touching the ground, then attempt to rotate the hands palm down from the elbow down to the floor at a 90 degree angle from the upper arm. If you cannot touch the ground with the palm of your hands without moving shoulders off the floor, you may have rotation deficit.

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