Impingement symptoms may be the result of rotator cuff pathology, shoulder instability, scapular dyskinesis or muscle dysfunction, biceps pathology, SLAP lesions and chronic stiffness of the posterior ...

Many shoulder problems can be attributed to poor posture, and a gradual shrinking of the space directly above the shoulder bone called the subacromial space. Rotator cuff tendons from muscles ...

The narrowing of the subacromial space (SAS) was believed as one of the main contributing factors of SIS. Scapular muscles deficit is believed to cause abnormal scapular kinematics leading to the ...