Pectoral small muscle

The small muscle pectoral is a Muscle major plan of the Former Cabin of the Shoulder, it is also, of share its insertion, a Thoracique muscle.

Origin: Coracoïde process of the Scapula. And some fibers incere also on the acromion

Way: moves to the top and the outside

Termination: it finishes on the médiale end of the 3,4 and 5th dimensions Action:

  • Undercrust Scapula (scapula).
  • Plate Scapula against the costal grill.
  • Inspiring deep accessory (increase in thoracic volume).

Innervation: Median pectoral nerve resulting from the handle from pectoral (Roots C6-C8).

Random links:Elevating | Marius Bejan | Fundus | Nesbitt Blaisdell | Reza Deghati | Prés_de_Pitt,_Colombie-Britannique