Infraspinatus muscle

Origin of Infraspinatus

Infraspinous fossa of scapula.

Insertion of Infraspinatus

Middle facet on greater tuberosity of humerus.

Muscle Action/Function of Infraspinatus

Laterally rotate arm; helps to hold humeral head in glenoid cavity of scapula.

Arterial (Blood) Supply of Infraspinatus

Suprascapular and circumflex scapular arteries.
infraspinatus muscle, action, muscle picture

Infraspinatus Video

Infraspinatus Muscle

Please feel free to ask your question about infraspinatus muscle in the comments below (stretching, antagonist muscles, trigger points, release techniques etc.).We will try to find the appropriate information as far as we can.
Shoulder & Arm 8335642988602599461

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