Glenohumeral Internal Rotation Deficit (GIRD)

Question 1

A professional baseball pitcher has increased external rotation and a 30 degree deficit on internal rotation on his throwing shoulder compared to his non-dominant side. Motion analysis of the glenohumeral joint will show what abnormal movement of the humerus in relation to the glenoid during the cocking phase of throwing?

Answer 1

Posterosuperior

Question 2

What associated shoulder lesion is more common in pitchers with GIRD?

Answer 2

SLAP tears

Question 3

What initial modalities are useful in GIRD?

Answer 3

Rest from throwing and PT for 6 months;

Specifically Sleeper stretch, cross body stretch and pericapsular strengthening

Question 4

Posterior shoulder tightness can lead to a glenohumeral internal rotation deficit (GIRD). This has been linked most closely to which of the following shoulder pathologies?

Answer 4

Internal impingement;
greater tuberosity impinges on the posterosuperior labrum and posterior rotator cuff when the arm is abducted and externally rotated