주관절 주변 근육 정리(수정중)

작성자이영호|작성시간15.06.07|조회수2,000 목록 댓글 1

1. 주관절의 구조

가. 동영상 : https://www.youtube.com/watch?feature=player_embedded&v=3l3-5Ij3JZ8

나. 구조 개요 : http://cafe.naver.com/panicbird/131

다. 촉진 : http://cafe.naver.com/panicbird/132

2. 주관절의 운동

가. 팔꿈치 굴곡 150도

나. 신전 0도

다. forearm 회내 80도

라. 회외 80도

3. 주관절 주변의 근육

가. anterior superficial

- Biceps brachii

Biceps brachii
Location of biceps. Two different colors represent two different bundles which compose biceps. Short head Long head
Details
Latin	musculus biceps brachii
Origin	Short head: coracoid process of the scapula. Long head: supraglenoid tubercle
Insertion	Radial tuberosity and bicipital aponeurosis into deep fascia on medial part of forearm
Artery	Brachial artery
Nerve	Musculocutaneous nerve (C5–C6)
Actions	Flexes elbow, flexes and abducts shoulder and supinates radioulnar joint in the forearm
Antagonist	Triceps brachii muscle

- Pronator teres muscle

Pronator teres muscle
Anterior view of the left forearm. Superficial muscles. (Pronator teres colored at center.)
Details
Latin	Musculus pronator teres
Origin	humeral head: medial supracondylar ridge of humerus (common flexor tendon) ulnar head: coronoid process of ulna
Insertion	Middle of the lateral surface of the body of the radius
Artery	ulnar artery and radial artery
Nerve	median nerve
Actions	pronation of forearm, flexes elbow
Antagonist	Supinator muscle

- Palmaris longus muscle

Palmaris longus muscle
Front of right upper extremity. (Palmaris longus labeled at bottom, second from left.)

Details
Latin	musculus palmaris longus
Greek	Μακρύς παλαμικός μυς
Origin	medial epicondyle of humerus(common flexor tendon)
Insertion	palmar aponeurosis
Artery	ulnar artery
Nerve	median nerve
Actions	wrist flexor
Antagonist	Extensor carpi radialis brevis,Extensor carpi radialis longus,Extensor carpi ulnaris

-Flexor carpi radialis muscle

Flexor carpi radialis muscle
Anterior view of the left forearm. Superficial muscles. (Flexor carpi radialis and its tendon visible in blue.)
Anterior view of right upper extremity. (Flex. carp. rad. labeled at upper left.)
Details
Latin	musculus flexor carpi radialis
Origin	medial epicondyle of humerus(common flexor tendon)
Insertion	Bases of second and third metacarpal bones
Artery	Radial Artery
Nerve	Median nerve
Actions	Flexion and abduction at wrist
Antagonist	Extensor carpi ulnaris muscle

- Flexor carpi ulnaris

Flexor carpi ulnaris
Dorsal (left) and ventral (right) views of deep muscles of the forearm. FCU is visible in blue.
Details
Latin	musculus flexor carpi ulnaris
Origin	medial epicondyle (common flexor tendon) and medial margin on olecranon of ulna
Insertion	pisiform, hook of the hamate,base of the fifth metacarpal bone
Artery	ulnar artery
Nerve	muscular branches of ulnar nerve
Actions	flexion and adduction of wrist
Antagonist	Extensor carpi radialis brevis muscle, Extensor carpi radialis longus muscle

- Flexor digitorum superficialis

Flexor digitorum superficialis
Transverse section across distal ends ofradius and ulna. (Flexor dig. subliminis labeled at center top.)
Details
Latin	musculus flexor digitorum superficialis
Origin	medial epicondyle of the humerus (common flexor tendon) as well as parts of theradius and ulna.
Insertion	anterior margins on the bases of the middle phalanges of the four fingers
Artery	ulnar artery
Nerve	median nerve
Actions	flexor of fingers (primarily atproximal interphalangeal joints)
Antagonist	Extensor digitorum muscle

나. anterior deep

- Pronator quadratus muscle

Pronator quadratus muscle
Anterior view of left forearm. Deep muscles. (Pronator quadratus visible at bottom-center right.)
Details
Latin	Musculus pronator quadratus
Origin	medial, anterior surface of the ulna
Insertion	lateral, anterior surface of the radius
Artery	anterior interosseous artery
Nerve	median nerve (anterior interosseous nerve)
Actions	pronates the forearm
Antagonist	Supinator muscle

-Flexor digitorum profundus muscle

Flexor digitorum profundus muscle
Ventral view of the deep muscles of the forearm. FDP is shown in blue.
Details
Latin	Musculus flexor digitorum profundus
Origin	upper 3/4 of the volar and medial surfaces of the body of the ulna, interosseous membrane and deep fascia of the forearm
Insertion	base of the distal phalanges of the fingers
Artery	anterior interosseous artery
Nerve	median (anterior interosseous),muscular branches of ulnar
Actions	flex hand and bothinterphalangeal joints
Antagonist	Extensor digitorum muscle

- Flexor pollicis longus muscle

Flexor pollicis longus muscle
Front of the left forearm. Deep muscles. (Flexor pollicis longus is shown in blue)
Details
Latin	Musculus flexor pollicis longus
Origin	The middle 2/4 of the volarsurface of the radius and the adjacent interosseus membrane.
Insertion	The base of the distal phalanxof the thumb
Artery	Anterior interosseus artery
Nerve	Anterior interosseous nerve(branch of median nerve) (C8, T1)
Actions	Flexion of the thumb.
Antagonist	Extensor pollicis longus muscle,Extensor pollicis brevis muscle

다. posterior superficial

_ Triceps Brachii

Triceps Brachii
Triceps brachii seen from behind.
Triceps brachii seen from behind. Three different colors represent three different bundles which compose triceps. Long head. Lateral head. Medial head.
Details
Latin	Musculus triceps brachii
Origin	Long head: infraglenoid tubercle of scapula Lateral head: above the radial sulcus Medial head: below the radial sulcus
Insertion	Olecranon process of ulna
Artery	Deep brachial artery
Nerve	Radial nerve and axillary nerve (long head)
Actions	Extends forearm, long head extends,adducts arm, Extends shoulder
Antagonist	Biceps brachii muscle

- Brachioradialis muscle

Brachioradialis muscle
Anterior view of muscles of the left forearm with brachioradialis shown in blue
Cross-section through the middle of the forearm. Brachioradialis labeled at center left, sixth from the top.
Details
Latin	musculus brachioradialis
Origin	Lateral supracondylar ridge of thehumerus
Insertion	Distal radius (radial styloid process)
Artery	Radial recurrent artery
Nerve	Radial nerve
Actions	Flexion of elbow and supination

- Extensor carpi radialis longus

Extensor carpi radialis longus
Superficial muscles of the forearm. Extensor carpi radialis longus visible in blue.
Transverse section across the wrist and digits. (Ext. carp. rad. long. labeled at center left.)
Details
Latin	musculus extensor carpi radialis longus
Origin	lateral supracondylar ridge
Insertion	2nd metacarpal
Artery	radial artery
Nerve	radial nerve
Actions	extensor at the wrist joint,abducts the hand at the wrist
Antagonist	Flexor carpi ulnaris muscle

- Extensor carpi radialis brevis

Extensor carpi radialis brevis
Posterior surface of the left forearm. Superficial muscles. The partially obscured extensor carpi radialis brevis is shown in blue.
Details
Latin	musculus extensor carpi radialis brevis
Origin	humerus at the anterior oflateral epicondyle (common extensor tendon)^[1]
Insertion	Posterior base of the 3rd metacarpal^[1]
Artery	radial artery
Nerve	deep branch of the radial nerve
Actions	extensor and abductor of thehand at the wrist joint^[1]
Antagonist	Flexor carpi ulnaris muscle

- Extensor digitorum muscle

Extensor digitorum muscle
Posterior surface of the forearm. Superficial muscles. Extensor digitorum muscle is labeled in purple.
Transverse section across the wrist and digits. (Ext. dig. communis labeled at bottom center.)
Details
Latin	musculus extensor digitorum
Origin	lateral epicondyle (common extensor tendon)
Insertion	extensor expansion of middle and distal phalanges of the 2nd, 3rd, 4th, and 5th fingers^[1]
Artery	posterior interosseous artery
Nerve	radial nerve
Actions	extension of hand, wrist andfingers
Antagonist	Flexor digitorum superficialis muscle, Flexor digitorum profundus muscle

- Extensor digitorum muscle

Extensor digiti minimi

Details
Latin	musculus extensor digiti minimi
Origin	the anterior portion of thelateral epicondyle of thehumerus (common extensor tendon)
Insertion	at the extensor expansion, located at the base of theproximal phalanx of digit V on the dorsal side
Artery	posterior interosseous artery
Nerve	posterior interosseous nerve (C7, 8)
Actions	extends the wrist and the little finger at all joints
Antagonist	Flexor digiti minimi brevis

- Extensor carpi ulnaris

Extensor carpi ulnaris
Posterior surface of the forearm. Extensor carpi ulnaris labeled in purple at center right.
Details
Latin	musculus extensor carpi ulnaris
Origin	Common extensor tendon(lateral epicondyle), ulna
Insertion	5th metacarpal
Artery	ulnar artery
Nerve	Deep branch of the radial nerve(C7, C8)
Actions	extends and adducts the wrist
Antagonist	Flexor carpi radialis

- Anconeus muscle

Anconeus muscle
Back of right upper extremity. (Anconeus labeled at bottom center.)
Posterior surface of the forearm. Superficial muscles. (Anconeus visible at center right.)
Details
Latin	Musculus anconeus, musculus anconaeus
Origin	lateral epicondyle of the humerusproximally
Insertion	lateral surface of the olecranonprocess and the superior part of the posterior ulna distally
Artery	deep brachial artery, recurrent interosseous artery
Nerve	radial nerve (C7, C8, and T1)
Actions	It is partly blended in with thetriceps, which it assists inextension of the forearm. It also stabilizes the elbow duringpronation and supination and pulls slack out of the elbow joint capsule during extension to prevent impingement.

라. posterior deep

- Supinator muscle

Supinator muscle
Posterior view of the supinator. (Right arm.)
Details
Latin	musculus supinator
Origin	Lateral epicondyle of humerus,supinator crest of ulna, radial collateral ligament, annular ligament
Insertion	Lateral proximal radial shaft
Artery	Radial recurrent artery
Nerve	Deep radial nerve
Actions	Supinates forearm
Antagonist	Pronator teres, pronator quadratus