Back Muscle Flexed With Anatomy. The scapula provides attachment to several groups of muscles. Ribs 1-4 lateral to the angles.
It is a sturdy flat triangular bone. Embryonically related to the intercostal muscles not the deep back mm. Supinator muscle curls around the proximal part of radius connecting it with the ulnaIn doing so the muscle crosses the sagittal axis of forearm.
The intrinsic muscles of the scapula include the rotator cuff muscles teres major subscapularis teres minor and infraspinatus.
A respiratory muscle it receives ventral ramus innervation. The scapula forms the posterior of the shoulder girdle. Along with the levator scapulae trapezius and rhomboid muscles the latissimus dorsi belongs to the superficial layer. The scapula or shoulder blade is the bone that connects the clavicle to the humerus.
