Muscles 1 낱말 카드 | Quizlet

Sternocleidomastoid

pectoralis major

trapezius

deltoid

latissimus dorsi

serratus anterior

rhomboids

teres major

supraspinatus

infraspinatus

teres minor

subscapularis

biceps brachii

triceps brachii

brachioradialis

pronator teres

triangle of auscultation

antecubital fossa

manubrium of sternum and medial clavicle

Orgin of sternocleidomastoid

mastoid process

Insertion of sternocleidomastoid

flexion of neck, lateral rotation of neck

Action of sternocleidomastoid

sternum & medial half of clavicle

origin of pectoralis major

intertubercular groove of humerus

insertion of pectoralis major

flexion, adduction, and medial rotation of humerus

action of pectoralis major

occipital and spinous processes of C7-T12

origin of trapezius

lateral clavicle, lower acromion, and spine of scapula

insertion of trapezius

lateral rotation, elevation, depression, retraction of scapula

action of trapezius

acromion and spine of scapula, lateral clavicle

origin of deltoid

deltoid tuberosity of humerus

insertion of deltoid

abduction of humerus; aids flexion, extension, rotation of arm

action of deltoid

aponeurosis from T7 to posterior 3rd of iliac crest

origin of latissium dorsi

intertubercular groove of humerus

insertion of latissium dorsi

extension, adduction, medial rotation of arm

action of latissium dorsi

outer anterior surface of upper 8 ribs

origin of serratus anterior

medial border of scapula

insertion of serratus anterior

lateral upward rotation, protraction of scapula, stabilizes scapula against chest

action of serratus anterior

spinous process C7-T5

origin of rhombdoids

vertebral border of scapula

insertion of rhombdoids

retraction, downward rotation of scapula

action of rhombdoids

inferior angle of scapula

origin of teres major

intertubercular groove of humerus

insertion of teres major

medial rotation, adduction of humerus

action of teres major

supraspinous fossa of scapula

origin of supraspinous

greater tubercle of humerus

insertion of supraspinous

aids in abduction of humerus; stabilizes shoulder joint

action of supraspinous

infraspinous fossa of scapula

origin of infraspinatus

greater tubercle of humerus

insertion of infraspinatus

lateral rotation of humerus; stabilizes shoulder joint

action of infraspinatus

lateral border of scapula

origin of teres minor

greater tubercle of humerus

insertion of teres minor

lateral rotation of humerus; stabilizes shoulder joint

action of teres minor

subscapular fossa of scapula

origin of subscapularis

lesser tubercle of humerus

insertion of subscapularis

medial rotation of humerus; stabilizes shoulder joint

action of subscapularis

long head: supraglenoid tubercle of scapula

short head: coracoid process of scapula

origin of biceps brachii

radial tuberosity

insertion of biceps brachii

flexion of elbow, supination of forearm

action of biceps brachii

long head: infraglenoid tubercle of scapula

lateral head: upper posterior humerus

medial head: lower posterior humerus

origin of triceps brachii

olecranon process of ulna

insertion of triceps brachii

Extension of elbow, aids in adduction of humerus

long head: stabilizes shoulder joint, extension of humerus

action of triceps brachii

upper, lateral supercondylar ridge of humerus

origin of brachioradialis

styloid process of radius

insertion of brachioradialis

flexes elbow

action of brachioradialis

medial epicondyle of humerus, coronoid process of ulna

origin of pronator teres

lateral shaft of radius

insertion of pronator teres

pronation of forearm, flexes elbow

action of pronator teres