lab 21

flexes the forearm at the elbow

brachialis

flexes and adducts arm at the shoulder along with pectoralis major

coracobrachialis

abducts, flexes, and extends arm

deltoid

extends and adducts hand at wrist

extensor carpi ulnaris

flexes wrist and adducts hand

flexor carpi ulnaris

rotates arm laterally

infraspinatus

pulls arm forward (flexion) and across chest (adduction) and rotates arm medially

pectoralis major

raises ribs in forceful inhilation or or pulls scapula forward and downward

pectoralis minor

raises and adducts scapula

rhomdoid major

used to thrust shoulder anteriorly(protraction), as when pushing something

serratus anterior

extends, adducts,and rotates arm medially

teres major

extends the forearm at the elbow

triceps brachii