The |spine| of the |scapula| is a ridge which runs laterally along the ~posterior~ (back) surface of the bone. This |spine| separates the surface of the back of the |scapula| into two unequal areas: the |supraspinous fossa| and the |infraspinous fossa|. The |spine| continues laterally to form the |coracoid process| and the |acromion| (which articulates with the |clavicle|). The |spine| and these two projections serve to anchor much of the connective tissue in the shoulder. The |trapezius| and |deltoid| muscles are especially responsible for giving the |scapula| its stability and strength during movement.
