The scapular musculature is often neglected in designing a rehabilitat
ion protocol for the shoulder. Weakness of the scapular stabilizers an
d resultant altered biomechanics could result in: 1) abnormal stresses
to the anterior capsular structures of the shoulder, 2) increased pos
sibility of rotator cuff compression, and 3) decreased performance. Th
is article presents known facts about the biomechanics of the scapula
and surrounding muscles and suggests methods for evaluation of scapula
r muscle weakness. Exercise techniques to maximally strengthen the sca
pular musculature are also described. As our ability to document stren
gth of these muscles improves, we will be able to determine the effect
of scapular strengthening on improving symptoms related to impingemen
t and instability. Scapular strengthening exercises are usually nonstr
essful to the rotator cuff and are easily implemented into a rehabilit
ation program for the shoulder.