Instability and Scapular Dyskinesis Testing

Anterior instability tests carry a real risk of dislocation in clinic, so they are done with caution. The speaker applies anterior pressure during the apprehension test and releases it gradually rather than suddenly, and performs the load and shift test in an M-shaped movement, always starting on the asymptomatic side. The scapular assistance and retraction tests compare movement before and after supporting the scapula. An improvement shows that scapular control is worth training and helps patients buy into their program, and it can turn directly into exercises. The full instability screen includes the Beighton score out of nine, which suggests general hypermobility but may not reflect the shoulder, plus load and shift, the sulcus sign with more than a centimeter counted as positive, apprehension, surprise release, a posterior test done in lying for safety, the anterior drawer, and abduction beyond 105 degrees as a sign of inferior glenohumeral ligament injury. Both sides are always compared.