BACKGROUND: Infraspinatus muscle atrophy has been observed in athletes who stress their upper extremities in an overhead fashion. The majority of such case reports have been in volleyball players ...

or burning pain in the back or side of the shoulder Weakness when bringing the arm into external rotation or out to the side Visible decline (atrophy) of the infraspinatus muscle compared to the ...

Objective Infraspinatus syndrome (IS) results from injury to the suprascapular nerve. For reasons that are poorly understood, volleyball players are at greater risk of developing IS than are athletes ...