1825
Table of Contents > Health Dictionary > Infraspinatus (muscle)

Infraspinatus (muscle)

Intrinsic (scapulohumeral) muscle of shoulder joint, the tendon of which contributes to the formation of the rotator cuff; origin, infraspinous fossa of scapula; insertion, middle facet of greater tubercle of humerus; action, extends arm and rotates it laterally; its tonic contraction helps to hold the head of the humerus in the shallow glenoid fossa; nerve supply, suprascapular (from fifth to sixth cervical spinal nerves).
Healthy Living Marketplace
Garden Of Life
Jarrow Formulas
Bob's Red Mill
Now Food
Eden Foods
Now Food