Serratus anterior is an important muscle for the overhead athlete. Dysfunction in this muscle can lead to shoulder injuries such as impingement, rotator cuff breakdown and performance decrements during overhead tasks. Chris Mallac looks at its anatomy and biomechanics, and highlights some clinically relevant exercises designed to...
Supraspinatus has a short level arm and biomechanically its force presses the humeral head against the glenoid cavity improving stability and integrity The rotator cuff muscles act together to centre the humeral head reducing superior humeral head migration which can contribute to subacromial bursitits ...
SHOULDER IMPINGEMENT IS A COMMON CAUSE OF SHOULDER PAIN: Overhead activity of the shoulder, especially repeated activity, is a risk factor for shoulder impingement syndrome and may be more prominent in those with underlying bone and joint abnormalities. With impingement syndrome, pain is persistent and affects...