infraspinatus origin and insertion

What is the Infraspinatus muscle? The thick triangular muscle known as the infraspinatus covers the majority of the scapula’s dorsal surface. It connects the proximal humerus to the scapula, mostly from the infraspinous fossa. Along with the muscles of the subscapularis, teres minor, and supraspinatus, the infraspinatus is one of the four rotator cuff muscles….