Origin
Scapula
Insertion
Humerus – greater tubercle.
Blood supply
Posterior circumflex humeral artery, circumflex scapular artery.
Nerve supply
Axillary nerve.
Action
The muscle helps in abduction and rotation of the arm.
Disease/Injury
The muscle gets injured due to repetitive stress.
Muscle Exercise
Pull-ups, shoulder rotations, and bent-over rowing help to strengthen the teres minor muscle.
Interesting fact
This muscle helps to maintain the position of the head of the humerus.