Origin
This muscle originates on the transverse processes of first four cervical vertebrae
What is the levator scapula?
This muscle inserts on the vertebral border of the scapula, anterior surface.
What is the serratus anterior?
This muscle innervates the medial pectoral nerve (C8, T1).
What is the pectoralis minor?
The action of this muscle is scapular depression, protraction, downward rotation, and tilt.
What are the pectoralis minor?
This muscle originates on the lateral 3rd of clavicle
What is the anterior deltoid?
This muscle inserts on the vertebral border of scapula between the spine and inferior angle.
What are the rhomboids?
This muscle innervates the thoracodorsal nerve (C6, C7, C8).
What is the lattissimus dorsi?
The action of these muscle is shoulder lateral rotation, horizontal abduction.
What are the teres minor and infraspinatus?
This muscle originates on the spine of the scapula
What is the posterior deltoid?
This muscle inserts on the greater tubercle of the scapula.
What is the supraspinatus?
These muscles innervate the suprascapular nerve (C5, C6).
What are the supraspinatus and infraspinatus?
The action of this muscle is to stabilize the shoulder joint.
What is the Coracobrachialis?
This muscle originates on the occipital bone, nuchal ligament on upper cervical spinous process
What is the upper trapezius?
This muscle inserts on the medial lip of bicipital groove on anterior surface of humerus.
What is the teres major?
These muscles innervate the axillary nerve (C5, C6).
The action of this muscle is shoulder abduction, extension, hyperextension, lateral rotation, horizontal abduction.
What is the posterior deltoid?
This muscle originates at the axillary border of scapula.
What is the teres minor?
This muscle inserts on the deltoid tuberosity.
What are the anterior, middle, and posterior deltoids?
This muscle innervates the dorsal scapular nerve (C5).
What are the rhomboids?
The action of this muscle is scapular elevation and upward rotation.
What is the upper trapezius?