Teres Minor

Teres Minor is one of the four rotator cuff muscles surrounding the shoulder. Its main action, along with Infraspinatus is to externally rotate the shoulder joint. There are two Teres muscles, the other being Teres Major.

Origin

  • Mid section of the lateral border of the scapula. 

Insertion

  • Greater tuberosity on the humerus. 

Actions

  • External rotation. 
  • Shoulder adduction. 

Innervation

  • Axillary nerve.

Daily uses

  • Brushing hair. 

Example strengthening exercises

Example stretches

Related injuries

Related muscles