appendicular muscles

origin of levator scapulae

cervical vertebrae

insertion of levator scapulae

scapula

action of levator scapulae

elevates and laterally flexes neck

origin of pectoralis minor

3rd to 5th rib

insertion of pectoralis minor

coracoid process of scapula

action of pectoralis minor

if the scapula is moveable, it pulls the scapula forward
if the scapula is fixed, it elevates the ribs

origin of rhomboideus

vertebral column

insertion of rhomboideus

medial border of scapula

action of rhomboideus

slightly elevates and fixes scapula

origin of serratus anterior

anterior end of each rib

insertion of serratus anterior

medial border scapula

action of serratus anterior

protracts and rotates scapula

origin of deltoid

anterior= clavicle
medial= acromion process
posterior= scapular spine

insertion of deltoid

all deltoid tuberosity

action of deltoid

mainly abduct the arm, flexes and extends the shoulder

origin of latissimus dorsi

sacrum, iliac crest, to T7-L5

insertion of latissimus dorsi

intertubercular groove

action of latissimus dorsi

adducts and medially rotates the arm, extends the shoulder

origin of pectoralis major

clavicle, sternum, and six superior costal cartilages

insertion of pectoralis major

fascicles converge onto the intertubercular groove

action of pectoralis major

flex and adduct at the glenoid joint

origin of teres major

edge of scapula

insertion of teres major

intertubercular groove

action of teres major

adduct and medially rotate the arm, also flexes and extends the humerus

rotator cuff

ring of CT in the glenoid joint that holds the humerus in place, tendons of other muscles span across the joint and contribute to the rotator cuff

origin of biceps brachii

both heads= scapula

insertion of biceps brachii

radial tuberosity

action of biceps brachii

supinate the hand and forearm, flex the shoulder and elbow

origin of brachialis

anterior surface of humerus

insertion of brachialis

ulnar tuberosity and coronoid process

action of the brachialis

(under the biceps brachii) flexes elbow

origin of triceps brachii

long head= scapula
medial and lateral head= humerus

insertion of triceps brachii

olecranon process of ulna

action of triceps brachii

extend shoulder and arm, adducts arm

origin of brachioradialis

humerus

insertion of brachioradialis

styloid process of radius

action of brachioradialis

flex elbow

origin of pronator quadratus

distal ulna

insertion of pronator quadratus

distal radius

action of pronator quadratus

pronates forearm

origin of pronator teres

medial epicondyle of humerus and coronoid process of ulna

insertion of pronator teres

radius

action of pronator teres

pronate forearm

origin of supinator

lateral epicondyle of humerus and ulna

insertion of supinator

radius

action of supinator

supinates forearm

superficial anterior compartment of forearm

palmaris longus, flexor carpi radialis, and flexor carpi ulnaris

medial compartment of anterior forearm

flexor digitorum superficialis

deep compartment of anterior forearm

flexor digitorum profundus and flexor pollicis longus

origin of flexor carpi radialis

medial epicondyle of humerus

insertion of flexor carpi radialis

second to third metacarpel

action of flexor carpi radialis

flex and abduct wrist

origin of flexor carpi ulnaris

medial epicondyle of humerus and ulna

insertion of flexor carpi ulnaris

pisiform, hamate, and fifth metacarpel

action of flexor carpi ulnaris

flex and adduct wrist

origin of palmaris longus

medial epicondyle of humerus

insertion of palmaris longus

palmar fascia

action of palmaris longus

flex wrist

origin of flexor digitorum superficialis

ulna

insertion of flexor digitorum superficialis

middle phalanges of 2-5

action of flexor digitorum superficialis

flex fingers

origin of flexor digitorum profundus

ulna

insertion of flexor digitorum profundus

distal phalanges of 2-5

action of flexor digitorum profundus

flex fingers

origin of flexor pollicis longus

radius

insertion of flexor pollicis longus

thumb

action of flexor pollicis longus

flex thumb

muscles of posterior forearm

abductor pollicis, extensor carpi radialis, extensor carpi ulnaris, extensor digitorum, and extensor pollicis

origin of abductor pollicis

posterior ulna and radius

insertion of abductor pollicis

first metacarpal bone

action of abductor pollicis

abducts and extends thumb

origin of extensor carpi radialis

humerus

insertion of extensor carpi radialis

2nd and 3rd metacarpel

action of extensor carpi radialis

extends and abducts wrist

origin of extensor carpi ulnaris

lateral epicondyle of humerus and ulna

insertion of extensor carpi ulnaris

fifth metacarpal bone

action of extensor carpi ulnaris

extends and adducts wrist

origin of extensor digitorum

lateral epicondyle of the humerus

insertion of extensor digitorum

phalanges of digits 2-5

action of extensor digitorum

extends fingers and wrist

origin of extensor pollicis

radius and ulna

insertion of extensor pollicis

thumb

action of extensor pollicis

extend the thumb

anterior muscles of the hip

iliopsoas (made of of the iliacus and psoas)

origin of iliopsoas

T12-L5 and iliac fossa

insertion of iliopsoas

lesser trochanter of femur

action of iliopsoas

flex hip

muscles of posterior hip

gluteus maximus, medius, and minimus

top posterior muscle of hip

gluteus maximus

middle posterior muscle of hip

gluteus medius

deep posterior muscle of hip

gluteus minimus

lateral muscle of hip

tensor fascia latae

origin of gluteus maximus

posterior surface of ilium, coccyx, and saccrum

insertion of gluteus maximus

gluteal tuberosity

action of gluteus maximus

extend hip

origin of gluteus medius

posterior surface of ilium

insertion of gluteus medius

greater trochanter of femura

action of gluteus medius

abduct and medially rotate thigh

origin of gluteus minimus

posterior surface of ilium

insertion of gluteus minimus

greater trochanter of femur