Arm & Forearm Flashcards
function of extensor digitorum?
extend fingers & wrist
function of palmaris longus?
flex wrist
function of extensor pollicis longus
extends interphalangeal, metacarpophalangeal & carpometacarpal jts
this nerve continues UNDER carpal tunnel to supply lateral hand
median nerve
deep branch of radial nerve is called…
posterior interosseous
boundaries of cubital fossa?
Lateral = brachioradialis Medial = pronator teres Superior = line between epicondyles Floor = brachialis & supinator
Identify.
ulnar nerve
Biceps Brachii origin insertion action supply
origin (long head)= supraglenoid tubercle of scapula origin (short head) = coracoid process of scapula insertion = radial tuberosity of radius action = flex, supinate forearm supply = musculocutaneous n, brachial a/v
innervation of palmaris longus, flexor carpi radialis, pronator teres?
median nerve
function of abductor pollicis longus
abducts thumb
Coracobrachialis origin insertion action supply
origin = coracoid process of scapula insertion = medial humerus action = flexes forearm supply = musculocutaneous nerve, brachial a/v
function of brachioradialis
flexor of forearm
Identify 1-3.
- Flexor digitorum profundus
- Flexor pollicis longus
- Pronator quadratus
innervation to flexor digitorum profundus?
1/2 median, 1/2 ulnar
tendon that overlies the carpal tunnel
flexor retinaculum
Identify.
brachioradialis
__ crosses over ___ for pronation ___ crosses over ___ for supination
radius, ulna ulna, radius
Identify 1-4.
- anular ligament
- ulna
- interosseus membrane
- radius
continues OVER carpal tunnel to supply medial/deep hand
ulnar nerve
after the axillary artery crosses this muscle, it is called the brachial artery
teres major
this muscle creates carpal tunnel with its 4 tendons
flexor digitorum superficialis
which muscles contract to pronate the forearm? which muscles contract to supinate the forearm?
pronator teres, pronator quadratus supinator, biceps brachii
function of extensor pollicis brevis
extends metacarpophalangeal & carpometacarpal jts
this nerve runs between superficial & deep anterior forearm muscles
median nerve
function of flexor carpi ulnaris?
flex, aDduct wrist
“TAN” of cubital fossa?
Tendon biceps brachii brachial Artery median Nerve
vein that lies superficial in cubital fossa?
median cubital vein
musculocutaneous nerve emerges as… between the biceps brachii & brachialis to supply lateral skin of forearm
lateral antebrachial cutaneous nerve
what muscle is deep to biceps brachii?
brachialis
Triceps brachii origin insertion action supply
origin (long head) = infraglenoid tubercle of scapula origin (lateral head) = posterior shaft humerus origin (medial head) = posterior shaft humerus insertion = olecranon process of ulna action = extend forearm supply = radial nerve & deep brachial a/v
nerve that innervates posterior forearm muscles?
radial nerve
innervation of supinator, abductor pollicis longus, extensor pollicis brevis, extensor pollicis longus, extensor indicis?
posterior interosseous nerve (branch of radial)
brachial artery splits into __ & ___ at cubital fossa
radial & ulnar arteries
innervation of flexor carpi ulnaris?
ulnar nerve
what muscle is medial to biceps brachii?
coracobrachialis
Identify 1-7.
- extensor carpi radialis longus
- extensor carpi radialis brevis
- anconeus
- extensor carip ulnaris
- extensor digiti minimi
- extensor digitorum
- extensor retinaculum
which 2 things are found in triangular interval?
radial nerve & deep brachial artery
Identify.
radial nerve
depressed area anterior to elbow
cubital fossa
which artery is used for determining blood pressure?
brachial artery
Identify 1-5.
- supinator
- abductor pollicis longus
- extensor pollicis brevis
- extensor pollicis longus
- extensor indices
Identify 1-4.
- pronator teres
- flexor carpi radialis
- palmaris longus
- flexor carpi ulnaris
Identify 1-3.
- medial cubital vein
- basilic vein
- cephalic vein
Identify 1-2.
- flexor retinaculum
- flexor digitorum superficialis
nerve that is hit when you hurt your “funny bone”
ulnar nerve
which 2 nerves innervate all of the muscles of the anterior forearm?
median & ulnar
wrist bones are called… finger bones are called…
carpals metacarpals
function of flexor carpi radialis?
flex, aBduct wrist
Brachialis origin insertion action supply
origin = lower 1/2 humerus insertion = ulnar tuberosity of ulna action = flex forearm supply = radial, musculocutaneous n’s & brachial a/v
function of extensor carpi radialis longus/brevis?
extend, aBduct wrist
function of extensor carpi ulnaris?
extend, aDduct wrist
3 deep muscles of anterior forearm?
flexor digitorum profundus flexor policis longus pronator quadratus
function of flexor pollicis longus?
flex thumb
function of anconeus?
aBduct ulna in pronation extend elbow
function of pronator teres?
pronate forearm
anchor for attachment of head of radius
anular ligament
muscles of the anterior arm?
biceps brachii coracobrachialis brachialis
only intermediate muscle of anterior forearm?
flexor digitorum superficialis
4 superficial muscles of anterior forearm?
“F-P-F-P” flexor carpi ulnaris palmaris longus flexor carpi radialis pronator teres
innervation to flexor pollicis longus & pronator quadratus
median nerve
function of extensor digiti minimi?
extend little finger
