Infraspinatus muscle :-

Infraspinatus muscle :-

Muscle details :-

infraspinatus muscle

  • the infraspinatus muscle is a thick triangular muscle, which occupies the chief part of the infraspinatous fossa.

Origin :-

  • medial two -thirds of the infraspinous fossa of the scapula .

Insertion :-

  • middle impression on the greater tubercle of the humerus .

Nerve supply :-

  • suprascapular nerve (c5-c6) .

Action :-

  • lateral rotator of arm . Helps stablize the shoulder by drawing the humerus toward the glenoid fossa of the scapula.

 

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About vastralphysiotherapyclinic

Physiotherapist , Samarpan Physiotherapy Clinic, Vastral, Nirant Cross Road, Ahmedabad

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