The Supraspinatus muscle is one of the four muscles which make up the rotator cuff. Its main function is to stabilise the humerus by holding the head of the humerus in position.

It is important in throwing motions to control any forward motion of the head of humerus.

Origin

  • Supraspinous fossa

Insertion

  • Greater tuberosity of the humerus

Actions

  • Abduction
  • Stabilisation of the humerus

Shoulder Joint Muscles:

Innervation

  • Suprascapular nerve

Daily uses

  • Holding shopping bags away from the body

How can I stretch it?

How can I strengthen it?

More Human Muscles: