Учебники / Atlas_anatomii_cheloveka_Frenk_Netter_6-oe_izdanie_Chast3

Extensor Tendons at Wrist

See also Plates 430, 431

Posterior (dorsal) view

Transverse fibers of extensor expansions (hoods)

Intertendinous connections

Dorsal interosseous muscles

Abductor digiti minimi muscle

Radial artery in anatomical snuffbox

		Extensor retinaculum
	Extensor pollicis brevis	Plane of cross section
	Compartment 1	shown below
	Abductor pollicis longus
	Extensor carpi radialis longus
	Compartment 2
	Extensor carpi radialis brevis

Compartment 3 — Extensor pollicis longus

Extensor indicis

Compartment 4

Extensor digitorum

Compartment 5 — Extensor digiti minimi

Compartment 6 — Extensor carpi ulnaris

Cross section of most distal portion of forearm

			Extensor retinaculum
				Extensor pollicis longus — Compartment 3
	Compartment 4		Extensor digitorum and
			extensor indicis	Extensor carpi
				radialis brevis
		Extensor		Compartment 2
	Compartment 5			Extensor carpi
		digiti minimi		radialis longus

		5	4	3	2
		6				Extensor
	Extensor
					1	pollicis brevis
Compartment 6
	carpi					Compartment 1
	ulnaris					Abductor
						pollicis longus
		Ulna		Radius

Plate 457

Wrist and Hand

Fingers 6

	Epiphysis
	Nail matrix
	Nail root
	Eponychium
Sagittal section	(cuticle)
	Lunule

Nail bed

Body of nail

Distal phalanx

Nerves Arteries Septa

Distal anterior closed space (pulp)

Synovial membrane	Lateral band	Extensor
Articular cartilage	Central tendon	mechanism
Middle phalanx

Flexor digitorum superficialis tendon

Fibrous tendon sheath of finger

Synovial (flexor tendon) sheath of finger

Flexor digitorum profundus tendon

Palmar ligament (volar plate)

Articular cavity

Body of nail

	Subungual space
Cross section
through distal	Minute arteries
phalanx
	Fine nerves

Dorsal branches of proper palmar digital arteries and nerves to dorsum of middle and terminal phalanges

Arteries and nerves

Nail bed

Distal phalanx

Fibrous septa and areolar tissue in anterior

closed space (pulp)

Dorsal digital artery and nerve

	Nutrient branch to epiphysis	Proper palmar digital artery
		to neighboring digit
Nutrient branches to metaphysis	Proper palmar digital artery and nerve

Wrist and Hand	Plate 458

Cutaneous Innervation of Wrist and Hand

See also Plates 400, 449

Anterior (palmar) view

Proper palmar

digital

branches Median nerve

Palmar branch

Proper palmar digital branches

Ulnar nerve

Palmar branch

Medial antebrachial cutaneous nerve

Proper Median nerve palmar digital

branches

Superficial branch and dorsal digital branches

Radial nerve

Posterior antebrachial cutaneous nerve

Musculocutaneous nerve

Superficial Radial nerve branch

Lateral

antebrachial Musculocutaneous nerve cutaneous

nerve

Posterior (dorsal) view

Proper palmar digital branches

Ulnar nerve

Dorsal branch and dorsal digital branches

Division between ulnar and radial nerve innervation on dorsum of hand is variable

Medial antebrachial

cutaneous nerve

Lateral antebrachial cutaneous nerve

Plate 459

Neurovasculature

Arteries and Nerves of Upper Limb 6

See also Plate 416

Anterior view

Deltoid muscle

Coracobrachialis muscle

Short head (cut)

Biceps brachii muscle

Long head (cut)

Musculocutaneous nerve

Brachialis muscle

Biceps brachii muscle (cut) and tendon

Lateral antebrachial cutaneous nerve (from musculocutaneous nerve)

Deep branch

Radial nerve

Superficial branch

Supinator muscle

Brachioradialis muscle

Radial artery

Pronator teres muscle (partially cut)

Median nerve

Flexor pollicis longus muscle

Flexor carpi radialis tendon (cut)

Flexor retinaculum (transverse carpal ligament)

Superficial branch of radial nerve

Recurrent (motor) branch of median nerve to thenar muscles

Common palmar digital branches of median nerve

Proper palmar digital branches of median nerve

Intercostobrachial nerve

Medial brachial cutaneous nerve

Radial nerve

Ulnar nerve

Medial antebrachial cutaneous nerve

Median nerve

Brachial artery

Bicipital aponeurosis

Humeral head (cut)

Pronator teres muscle

Ulnar head

Flexor carpi radialis muscle (cut)

Humero-ulnar head	Flexor digitorum
Radial head	superficialis muscle (cut)

Flexor digitorum profundus muscle

Flexor carpi ulnaris muscle

Ulnar artery and nerve

Dorsal branch of ulnar nerve

Flexor digitorum superficialis tendons (cut)

Deep palmar branch of ulnar artery and deep branch of ulnar nerve Superficial branch of ulnar nerve

Superficial palmar arch (cut)

Common palmar digital branch of ulnar nerve

Communicating branch of median nerve with ulnar nerve

Proper palmar digital branches of ulnar nerve

Neurovasculature	Plate 460

Nerves of Upper Limb

See also Plates 400, 410, 416

Axillary nerve

Musculocutaneous nerve (dominant nerve to anterior compartment muscles of arm)

Median nerve

(dominant nerve to anterior compartment muscles of forearm, thenar hand muscles)

Radial nerve

(dominant nerve to posterior compartment muscles of arm and forearm)

Ulnar nerve (dominant nerve to muscles of hand, flexor

carpi ulnaris and medial half of flexor digitorum profundus in forearm)

Lateral	Cords of
Posterior	brachial
Medial	plexus

Medial brachial cutaneous nerve

Medial antebrachial cutaneous nerve

Anterior

Radial nerve	T2
(posterior cutaneous
nerve of arm)
	Posterior
Musculocutaneous nerve	T1
(lateral cutaneous
nerve of forearm)
Radial nerve
(superficial branch)
	Ulnar nerve
	T2
Median nerve	Radial nerve
	(posterior cutaneous
	nerve of arm)

Musculocutaneous nerve	T1
(lateral cutaneous
nerve of forearm)
Radial nerve
(superficial branch)	Ulnar nerve
Median nerve
(innervates nail beds)

Plate 461

Neurovasculature

Anterior view

Note: Only muscles innervated by musculocutaneous

nerve shown.

Musculocutaneous nerve (C5, 6, 7)

Coracobrachialis muscle

Biceps brachii muscle (retracted)

Brachialis muscle

Articular branch

Lateral antebrachial cutaneous nerve

Anterior branch

Posterior branch

Musculocutaneous Nerve 6

See also Plate 417

	Medial	Cords of
	Posterior
		brachial
	Lateral	plexus

Medial brachial cutaneous nerve

Medial antebrachial cutaneous nerve

Ulnar nerve

Median nerve

Radial nerve

Axillary nerve

Cutaneous innervation (via lateral antebrachial cutaneous nerve)

Anterior (palmar) view

Posterior (dorsal) view

Neurovasculature	Plate 462

Median Nerve

See also Plates 400, 432, 433

Anterior view

Musculocutaneous nerve

Median nerve (C5, 6, 7, 8, T1)

Inconstant contribution

Pronator teres muscle (humeral head)

Articular branch

Flexor carpi radialis muscle

Palmaris longus muscle

Pronator teres muscle (ulnar head)

Flexor digitorum superficialis muscle (turned up)

Flexor digitorum profundus muscle (lateral part supplied by median [anterior interosseous] nerve; medial part supplied by ulnar nerve)

Anterior interosseous nerve

Flexor pollicis longus muscle

Pronator quadratus muscle

Palmar branch of median nerve

	Abductor pollicis brevis
	Opponens pollicis
Thenar	Superficial head of
muscles	flexor pollicis brevis
	(deep head
	supplied by
	ulnar nerve)
	1st and 2nd
	lumbrical muscles

Dorsal branches to dorsum of middle and distal phalanges

Note: Only muscles innervated by median nerve shown.

Medial	Cords of
Posterior	brachial
Lateral	plexus
Medial brachial
cutaneous nerve
Medial antebrachial
cutaneous nerve

Axillary nerve

Radial nerve

Ulnar nerve

Cutaneous innervation

Palmar view

Communicating branch of median nerve with ulnar nerve

Common palmar digital nerves

Proper palmar digital nerves

Posterior (dorsal) view

Plate 463

Neurovasculature

Anterior view

Palmar view

Posterior (dorsal) view

Flexor pollicis brevis muscle (deep head only; superficial head and other thenar muscles supplied by median nerve)

Adductor pollicis muscle

1st dorsal interosseous muscle

Ulnar Nerve 6

See also Plates 432, 434

Note: Only muscles innervated by ulnar nerve shown.

Cutaneous innervation

Ulnar nerve (C7, 8, T1)

(no branches above elbow)

Inconstant contribution

Medial epicondyle

Articular branch (behind condyle)

Flexor digitorum profundus muscle (medial part only; lateral part supplied by anterior interosseous branch of median nerve)

Flexor carpi ulnaris muscle (retracted)

Dorsal branch of ulnar nerve

Palmar branch

Palmar carpal ligament

Superficial branch

Deep branch

	Palmaris brevis
	Abductor digiti minimi	Hypothenar muscles
	Flexor digiti minimi brevis
	Opponens digiti minimi

Common palmar digital nerve

Communicating branch of median nerve with ulnar nerve

Palmar interosseous muscles

3rd and 4th lumbrical muscles (turned down)

Palmar digital nerves

(dorsal digital nerves are from dorsal branch)

Dorsal branches to dorsum of middle and distal phalanges

Neurovasculature	Plate 464

Radial Nerve in Arm and Nerves of Posterior Shoulder

See also Plates 413, 418

	Dorsal scapular nerve (C5)	Posterior view
	Supraspinatus muscle
		Suprascapular nerve (C5, 6)
	Levator scapulae
	muscle (supplied	Deltoid muscle
	also by branches
	from C3 and C4)
		Teres minor muscle
		Axillary nerve (C5, 6)
	Rhomboid	Superior lateral brachial
		cutaneous nerve
	minor muscle
		Radial nerve
		(C5, 6, 7 , 8, T1)

Rhomboid major muscle

Infraspinatus muscle

Teres major muscle

Lower subscapular nerve (C5, 6)

Posterior brachial cutaneous nerve (branch of radial nerve in axilla)

		Long head
	Triceps brachii muscle	Lateral
		head (cut)
		Medial head

Triceps brachii tendon

Medial epicondyle

Olecranon

Inconstant contribution

Inferior lateral brachial cutaneous nerve

Posterior antebrachial cutaneous nerve

Lateral intermuscular septum

Brachialis muscle (lateral part; remainder of muscle supplied by musculocutaneous nerve)

Brachioradialis muscle

Extensor carpi radialis longus muscle

	Anconeus muscle	Extensor carpi
		radialis brevis
		muscle

Extensor digitorum muscle

Extensor carpi ulnaris muscle

Plate 465

Neurovasculature

	Radial Nerve in Forearm		6
		See also Plates 430, 454
Radial nerve (C5, 6, 7, 8, T1)	Inconstant contribution
Superficial (terminal) branch
Deep (terminal) branch		Posterior view
Lateral epicondyle of humerus

Anconeus muscle

Brachioradialis muscle

Extensor carpi radialis longus muscle

Supinator muscle
Extensor carpi radialis brevis muscle
Extensor carpi ulnaris muscle		Extensor-supinator
		group of muscles
Extensor digitorum muscle and
extensor digiti minimi muscle
Extensor indicis muscle
Extensor pollicis longus muscle
Abductor pollicis longus muscle
Extensor pollicis brevis muscle
Posterior interosseous nerve (continuation
of deep branch of radial nerve distal to
lower border of supinator muscle)
Superficial branch of radial nerve
From axillary nerve	Superior lateral
	brachial cutaneous
	nerve

Inferior lateral brachial cutaneous nerve

Posterior brachial cutaneous nerve

From radial nerve

Posterior antebrachial cutaneous nerve

Superficial branch of radial nerve and dorsal digital branches

Dorsal digital nerves

Cutaneous innervation from radial and axillary nerves

Neurovasculature	Plate 466