Teres Major

Teres major is only functional when the Rhomboids fix the scapula. This muscle mainly helps Latissimus dorsi.

Origin

  •   Lower 1/3 of the lateral border of the scapula.  

Insertion

  • Intertubercular goove (between the greater and lesser tubercles) of the humerus.  

Actions

  • Shoulder adduction
  • Internal rotation
  • Shoulder extension.

Innervation

  • Lower subscapular nerve.

Daily uses

  • Tucking the back of your shirt into your trousers.  

Example strengthening exercises

Example stretches

Related muscles