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Back, front, shoulder, and arm muscles
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What is the trapezius action (3) and innervation?
elevate and depress shoulder
retracts scapula
cranial nerve 11

What is the latissimus dorsi action (2) and innervation?
Adducts humerus and pulls body toward arms (climbing or swimming)
Thoracodorsal nerve

What is the Levator Scapulae action (1) and innervation?
Elevates scapula
Dorsi scapular

What are the actions of rhomboid major and minor and their innervation?
retracts scapula and depress the glenoid fossa
dorsal scapular

What is the Pectoralis major (3) and innervation?
Adducts humerus, protracts scapula, and medially rotates the humerus at the shoulder
Medial and lateral pectoral nerve (need both bc its a big muscle)

What is the pectoralis minor (1) actions and innervation?
holds scapula against thoracic wall
medial pectoral

What is the subclavius action (1) and innervation?
Holds clavicle to the first rib
Subclavian nerve

What is the serratus anterior action (1) and innervation?
Protracts scapula (aka punching muscle)
Long thoracic nerve

What are the deltoid actions (3) and innervation?
Abducts humerus, medially and laterally rotates the humerus at the shoulder
Axillary nerve

What is the teres majors action (1) and innervation?
adducts humerus
lower subscapular nerve

What are the actions of the supraspinatus and infraspinatus muscles (1) and innervation
Lateral rotation of humerus
suprascapular

What is the teres minor action (1) and innervation
Lateral rotation of humerus
axillary nerve

What is the Subscapularis action (1) and innervation
Medial rotation
upper subscapular nerve

What are the bicep brachii actions (2) and its innervation (nerve and artery)
flex and supinates forearm
nerve: musculocutaneous
artery: brachial

What are the coracobrachialis actions (2) and its innervation (nerve and artery)
flex arm at shoulder and adduct humerus
nerve: musculocutaneous
artery: brachial

What is the action of the brachialis (1) and its innervations (nerve and artery)
flex forearm
nerve: musculocutaneous
artery: brachial