UE Muscles

Deltoid m proximal attachment

lateral clavicle (a), acromion (m), spine of scapula (p)

deltoid m distal attachment

deltoid tuberosity

deltoid m action

flexion, IR, abduction, extension, ER, Horizontal abduction

deltoid m crosses what bone?

humerus

deltoid m innervation

axillary n

deltoid m cord/spinal levels

c5-c6

deltoid m paralleling artery

posterior humeral circumflex a

teres major m proximal attachment

inferior angle scapula

teres major m distal attachment

intertubercle groove

teres major m action

adduction, IR, extension

teres major m crosses what bone?

humerus

teres major m innervation

lower subscapular n

teres major m spinal/cord levels

c5-c6

teres major m paralleling artery

scapular circumflex a

supraspinatus m proximal attachment

supraspinous fossa

supraspinatus m distal attachment

greater tubercle

supraspinatus m action

1st 15degree abduction

supraspinatus m crosses what bone?

humerus

supraspinatus m innervation

suprascapular a

supraspinatus m paralleling artery

suprascapular artery

infraspinatus m proximal attachment

infraspinatus fossa

infraspinatus m distal attachment

greater tubercle

infraspinatus m action

External rotation

infraspinatus m crosses what bone?

humerus

infraspinatus m innervation

suprascapular n

infraspinatus m spinal/cord level

C5-c6

infraspinatus m paralleling artery

suprascapular a

teres minor proximal attachment

lateral border of scapula

teres minor m distal attachment

greater tubercle

teres minor m action

external rotation

teres minor crosses what bone

humerus

teres minor m innervation

axillary n

teres minor m spinal/cord level

c5-c6

teres minor m paralleling artery

posterior humeral circumflex artery

subscapularis m proximal attachment

subscapular fossa

subscapularis m distal attachment

lesser tubercle

subscapularis m action

internal rotation

subscapularis m crosses which bone

humerus

subscapularis m innervation

upper & lower subscapular n

subscapularis m cord levels

c5-c6

biceps brachii m proximal attachment

supraglenoid tubercle and coracoid

biceps brachii m distal attachment

radial tuberosity

biceps brachii m action

flexion, supination, flexion

biceps brachii m across which bone

elbow, forearm, humerus

biceps brachii m innervation

musculocutaneous

biceps brachii m spinal/cords levels

c5-c7

coracobrachialis m proximal attachment

coracoid

coracobrachialis m distal attachment

anterior, medial humerus

coracobrachialis m action

flexion, adduction

coracobrachialis m crosses what bone

humerus

coracobrachialis m innervation

musculocutaneous

coracobrachialis m spinal/cord levels

c5-c7

brachialis m proximal attachment

anterior humerus

brachialis m distal attachment

ulnar tuberosity

brachialis m action

flexion

brachialis m crosses what bone

elbow

brachialis m innervation

musculocutaneous n

brachialis m spinal/cord level

c5-c7

triceps proximal attachment

infraglenoid tubercle, posterior humerus lateral to radial groove, posterior humerus medial to radial groove

triceps distal attachment

olecranon of ulna

triceps action

extension

triceps m crosses what bone

humerus and elbow

triceps m innervation

radial

triceps m spinal/cord levels

c5-t1

aconeus m proximal attachment

lateral epicondyle

aconeus m distal attachment

lateral olecranon of ulna

anconeus action

assist with extension

aconeus m crosses what bone

elbow

aconeus m innervation

radial

aconeus m spinal/cord levels

c5-t1

pronator teres proximal attachment

medial epicondyle; coronoid of ulna

pronator teres m distal attachment

lateral radius

pronator teres action

pronation, weak flexion

pronator teres crosses what bone?

forearm, elbow

pronator teres innervation

median

pronator teres spinal/cord levels

c5-t1

palmaris longus m proximal attachment

medial epincondyle

palmaris longus m distal attachment

palmar aponeurosis

palmaris longus m action

assist flexion

palmaris longus crosses what bone

wrist

palmaris longus m innervation

median

palmaris longus m spinal/cord levels

c5-t1

flexor carpi radialis m proximal attachment

medial epicondyle

flexor carpi ulnaris m distal attachment

2nd metacarpal

flexor carpi radialis m action

flexion, abduction (radial deviation), weak flexion

flexor carpi radialis m crosses what bone

wrist, elbow

flexor carpi radialis innervation

median n

flexor carpi radialis spinal/cord levels

c5-t1

flexor carpi ulnaris m proximal attachment

medial epicondyle; posterior ulna

flexor carpi ulnaris distal attachment

pisiform; hook of hamate; 5th metacarpal

FCU action

flexion, adduction (ulnar deviation), weak flexion

FCU crosses what bone?

wrist and elbow

FCU innervation

ulnar n

FCU spinal/cord levels

c8-t1

flexor digitorum superficialis (FDS) priximal attachment

medial epicondyle; coronoid; proximal radius and ulna

FDS distal attachment

middle phalanx of medial 4 digits

FDS action

flexion, assit flexion, weak flexion

FDS crosses what bone?

proximal interphalangeal, wrist, MCP, elbow

FDS innervation

median n

FDS spinal/cranial level

c5-t1