lab 10: anterior muscles (trunk and arms)

pectoralis minor origin

ribs 3-5

pectoralis minor insertion

coracoid process of the scapula

pectoralis minor action

protract and depress scapula

pectoralis major origin

clavicle

pectoralis major insertion

lateral lip of intertubercular sulcus of humerus

pectoralis major action

adduct arm

serratus anterior origin

lateral surfaces of ribs 1-8/9

serratus anterior insertion

anterior surface of medial scapular border

serratus anterior action

protracts and upwardly rotate scapula

rectus abdominis origin

pubic crest

rectus abdominis insertion

xiphoid process

rectus abdominis action

compress abdomen

external oblique origin

external surfaces of ribs 5-12

external oblique insertion

linea alba

external oblique action

compress abdomen

deltoid origin

acromion

deltoid insertion

deltoid tuberosity

deltoid action

abducts arm

subscapularis origin

subscapular fossa

subscapularis insertion

lesser tubercle of humerus

subscapularis action

medially rotates arm

teres major origin

posterior inferior angle of scapula

teres major insertion

medial lip of intertubercular sulcus of humerus

teres major action

adducts and extends arm

biceps brachii origin

coracoid process of scapula

biceps brachii insertion

radial tuberosity

biceps brachii action

flex elbow

coracobrachialis origin

coracoid process of scapula

coracobrachialis insertion

middle medial humeral shaft

coracobrachialis action

flex and adduct arm

brachialis origin

distal anterior humerus

brachialis insertion

coronoid process and tuberosity of ulna

brachialis action

flex elbow

flexor carpi radialis origin

medial epicondyle of humerus

flexor carpi radialis insertion

bases of metacarpals II-III

flexor carpi radialis action

flex wrist

palmaris longus origin

medial epicondyle of humerus

palmaris longus insertion

palmar aponeurosis

palmaris longus action

flex wrist

flexor carpi ulnaris origin

medial epicondyle of humerus

flexor carpi ulnaris insertion

pisiform, hamate, and metacarpal V

flexor carpi ulnaris action

flex wrist

flexor digitorum superficialism origin

medial epicondyle, coronoid process

flexor digitorum superficialis insertion

middle phalanges of digits 2-5

flexor digitorum superficialis action

wrist flexion

flexor retinaculum(not a muscle) origin

scaphoid

flexor retinaculum(not a muscle) insertion

pisiform

flexor retinaculum(not a muscle) action

roof of carpal tunnel