Anatomy unit 2 SECOND ORDER

What is the function of Pectoralis Major

agonist of arm flexion, adducts arm, medially rotates arm

What is the innervation of pectoralis major

lateral and medial pectoral nerves

what is the proximal attachment of pectoralis major

clavicle, ribs, sternum

What is the distal attachment of pectoralis major

humerus

function of pectoralis minor

protracts scapula, depresses scapula

innervation of pectoralis minor

medial pectoral nerve

function of subclavius

stabilizes scapula, depresses clavicle

innervation of subclavius

cervical nerves and dorsal scapular nerve

function of triceps brachii

primary extensor of forearm, extends arm (long head), adducts arm

innervation of triceps brachii

radial N

proximal attachment of triceps brachii (long head)

scapula

proximal attachment of triceps brachii (lateral head)

humerus

proximal attachment of triceps brachii (medial head)

humerus

distal attachment for triceps brachii

ulna

function of pronator teres

pronates forearm

innervation of pronator teres

median N

function of flexor carpi radialis

flexes hand, abducts hand at the wrist

innervation of flexor carpi radialis

median N

function of palmaris longus

weak flexor of the hand at the wrist

innervation of palmaris longus

median N

function of flexor carpi ulnaris

flexes hand; adducts hand at the wrist

innervation of flexor carpi ulnaris

ulnar N

function of Flexor Digitorum Superficialis

flexes hand at the wrist, flexes MCP joints, flexes PIP joints of fingers 2-5

innervation of flexor digitorum superficialis

median nerve

distal attachment of flexor digitorum superficialis

middle phalanges of fingers 2-5

function of flexor digitorum profundus

flexes hand at the wrist, flexes MCP joints, flexes PIP joints, flexes DIP joints of fingers 2-5

innervation of flexor digitorum profundus (lateral half)

median N

innervation of flexor digitorum profundus (medial half)

ulnar N

distal attachment of flexor digitorum profundus

distal phalanges of fingers 2-5

function of flexor pollicis longus

flexes thumb, weakly flexes hand at the wrist

innervation of flexor pollicis longus

median N

function of pronator quadratus

pronates forearm

innervation of pronator quadratus

median N

function of biceps femoris

extends thigh, flexes leg at knee joint, laterally rotates leg when flexed at knee

innervation of long head of biceps femoris

sciatic N

innervation of short head of biceps femoris

sciatic N

function of adductor magnus

adducts thigh

function of adductor part of adductor magnus

flexes thigh

function of adductor magnus of hamstring part

extends thigh, laterally rotates thigh

innervation of adductor part of adductor magnus

obturator N

innervation of hamstring part of adductor magnus

sciatic N

function of Semitendinosus

extends thigh, flexes leg at the knee joint, medially rotates leg when flexed at the knee

innervation of Semitendinosus

sciatic N

proximal attachment of Semitendinosus

ischium

distal attachment of Semitendinosus

tibia

function of semimembranosus

extends thigh and flexes leg at the knee joint, medially rotates leg when flexed at the knee

innervation of semimembranosus

sciatic N

function of Gastrocnemius

flexes leg at the knee joint, plantar flexes foot

innervation of Gastrocnemius

tibial N

proximal attachment of Gastrocnemius

femur

distal attachment of Gastrocnemius

calcaneus

function of soleus

plantar flexes foot

innervation of soleus

tibial N

function of plantaris

weakly flexes leg at knee joint, weakly plantar flexes foot

innervation of plantaris

tibial N

function of popliteus

flexes leg at the knee joint, medially rotates tibia to unlock the knee

innervation of popliteus

tibial N

function of tibialis posterior

plantar flexes foot, inverts foot

innervation of tibialis posterior

tibial N

function of Flexor Digitorum Longus

plantar flexes foot, flexes toes 2-5

innervation of Flexor Digitorum Longus

tibial N

function of Flexor Hallucis Longus

Plantar flexes foot, flex great toe

innervation of Flexor Hallucis Longus

tibial N

function of Fibularis (Peroneus) Longus

everts foot, weak plantar flexor of foot

innervation of Fibularis (Peroneus) Longus

superficial fibular N

function of Fibularis (Peroneus) Brevis

everts foot, weak plantar of foot

innervation of Fibularis (Peroneus) Brevis

superficial fibular N

function of coracobrachialis

adducts arm, flexes arm

innervation of coracobrachialis

Musculocutaneous N

proximal attachment of coracobrachialis

scapula

distal attachment of coracobrachialis

humerus

function of biceps brachii

weakly flexes arm, aids in supination of forearm

innervation of biceps brachii

Musculocutaneous N

proximal attachment of biceps brachii

scapula

distal attachment of biceps brachii

radius

function of brachialis

agonist of forearm flexion

innervation of brachialis

musculocutaneous N

function of Brachioradialis

flexes forearm

innervation of brachioradialis

radial N

proximal attachment of brachioradialis

humerus

distal attachment of brachioradialis

radius

function of extensor carpi radialis longus

extends hand, abducts hand at the wrist

innervation of extensor carpi radialis longus

radial N

function of Extensor Carpi Radialis Brevis

extends hand, abducts hand at the wrist

innervation of Extensor Carpi Radialis Brevis

radial n

function of extensor digitorum

extends hand at the wrist, joints of fingers 2-5

innervation of extensor digitorum

radial N

function of Extensor Carpi Ulnaris

extends hand, adducts hand at wrist

innervation of extensor carpi ulnaris

radial N

function of abductor pollicis longus

abducts thumb, extends hand (weakly) at the wrist

innervation of abductor pollicis longus

radial N

function of extensor pollicis brevis

extends thumb, extends hand at the wrist (weakly)

innervation of extensor pollicis brevis

radial N

function of extensor pollicis longus

extends thumb, weakly extends hand at the wrist

innervation of extensor pollicis longus

Radial N

function of Extensor Indicis

Extends joint of finger 2, extends hand at the wrist (weakly)

nerve of Extensor Indicis

Radial N

function of Extensor Digiti Minimi

extends hand at the wrist, extends joint of little finger

innervation of extensor digiti minimi

radial n

function of supinator

supinates forearm