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ANATOMY 1 > Upper limb regions and special formations > Flashcards

Upper limb regions and special formations Flashcards

1
Q

Infraclavicular region

A

SKIN INNERVATION: med. and intermediate supraclavicular n. (cervical plexus)
FASCIAS: deltoid, pectoral, claviopectoral
DELTOPECTORAL TRIANGLE
SUPERFICIAL LAYER: cephalic vein, thoracoacromial artery, pectoral nerves
DEEP LAYER: axillary vein, axillary artery, 3 nerve cords of brachial plexus, suprascapular a/v/n

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2
Q

Deltopectoral triangle

A

in infraclavicular region
Borders: sup: clavicle
lat: deltoid muscle
med: pectoralis major

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3
Q

Pectoral region

A

BORDERS: sup: clavicle
lat: deltopectoral sulcus
inf: pectoralis major
med: sternum
SKIN INNERVATION: supraclavicular n, ant. cutaneous of 1-6 intercostal nerves
FASCIAS: superficial pectoral, superficial axillary, deep pectoral
CONTENT: Axillary artery with branches

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4
Q

Axillary artery parts

A

1st part: Superior thoracic, thoraco-acromial
2nd part: lateral thoracic, subscapular
3rd part: ant and post circumflex humeral

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5
Q

Axillary region

A

BORDERS: sup: cervicoaxillary canal
inf: skin
ant: pectoralis major + minor
post: scapula, subscapularis muscle
med: thoracic wall, serratus anterior
lat: humerus
SKIN INNERVATION: intercostobrachial anastomosis
CONTENTS:
-axillary blood vessels
-lymphatic vessels + lymph nodes
-brachial plexus cords
-coracobrachials tendon
-biceps brachii short head

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6
Q

Deltoid region

A

BORDERS: ant: deltopectoral groove
post: deltoid
SKIN INNERVATION: lat. supraclavicular n, sup lat brachial cutaneous n
Quadrangular, triangular spaces

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7
Q

Quadrangular space

A 
BORDERS: 
sup: teres minor
inf: teres major
med: long head of triceps brachii
lat: humerus
CONTENT:
axillary nerve
posterior circumflex humeral artery
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8
Q

Medial triangular space

A 
BORDERS:
sup: teres minor
inf: teres major
lat: long head of triceps brachii
CONTENT:
circumflex scapular artery
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9
Q

Lateral triangular space

A 
BORDERS:
sup: teres major
med: long head of triceps brachii
lat: humerus
CONTENT:
radial nerve
deep brachial artery
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10
Q

Dorsal scapular region

A

BORDERS:
sup: acromion
med: midline of body
inf: inf angle of scapula
lat: longitudinal line from acromion
SKIN INNERVATION: dorsal rami of spinal nerves
CONTENT: suprascapular artery, suprascapular nerve, dorsal scapular nerve, dorsal scapular artery

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11
Q

Anterior brachial region

A 
BORDERS:
sup: pectorails major, deltoid
inf: above cubital fossa
med: medial margin of humerus
lat: lateral margin of humerus
SKIN INNERVATION:
medial brachial cutaneous nerve
superior lateral brachial cutaneous nerve
interior lateral brachial cutaneous nerve
CONTENT: 
cephalic and basilic veins
medial cutaneous brachial + antebrachial nerves
musculocutaneous nerve
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12
Q

Medial bicipital groove content

A 
median nerve
medial brachial and antebrachial cutaneous nerves
brachial artery + 2 brachial veins
ulnar nerve
superior collateral ulnar artery
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13
Q

Posterior brachial region

A 
BORDERS:
sup: inferior border of deltoid
inf: above olecranon
med: medial margin of humerus
lat: lateral margin of humerus
SKIN INNERVATION:
posterior brachial cutaneous nerve
medial brachial cutaneous nerve
inferior lateral brachial cutaneous nerve
CONTENT:
radial nerve
deep brachial artery
middle collateral and radial collateral artery
posterior antebrachial cutaneous nerve
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14
Q

Anterior cubital region

A 
BORDERS:
sup: above cubital sulcus
inf: under cubital sulcus
med. medial epicondyle
lat: lateral epicondyle
SKIN INNERVATION:
lateral antebrachial cutaneous nerve
medial antebrachial cutaneous nerve
CONTENT:
cubital fossa
basilic vein + medial antebracial cutaneous nerve
cephalic vein + lateral antebrachial cutaneous nerve
median cubital vein
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15
Q

Cubital fossa

A

BORDERS:
roof: antebrachial fascia, bicipital aponeurosis
floor: brachialis muscle, supinator muscle
med: pronator teres, flexors of forearm
lat: brachioradialis, extensors of forearm
CONTENT:
median nerve
brachial artery- ulnar and radial artery
tendon on biceps brachii
lymph nodes

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16
Q

Posterior cubital region

A 
BORDERS:
sup: above olecranon
inf: under olecranon
med: medial epicondyle
lat: lateral epicondyle
SKIN INNERVATION:
posterior brachial cutaneous nerve
medial & lateral brachial & antebrachial cutaneous nerves
CONTENT:
ulnar nerve
superior ulnar collateral artery
periarticular arterial anastomosis of elbow
17
Q

Anterior antebrachial region

A 
BORDERS:
sup: below cubital fossa
inf: above carpal eminence
SKIN INNERVATION:
medial & lateral antebrachial cutaneous nerves
CONTENT:
cephalic vein + lateral antebrachial cutaneous nerve
basilic vein + medial antebrachial cutaneous nerve
ulnar nerve + artery
median nerve
radial nerve + radial artery
anterior interosseous artery + nerve
18
Q

Posterior antebrachial region

A 
BORDERS:
sup: below olecranon
inf: line between styloid processes
SKIN INNERVATION:
posterior antebrachial cutaneous nerve
posterior branches of med/lat ante brachial cut.
CONTENT:
posterior interosseous artery 
deep radial nerve
19
Q

Palmar wrist region

A 
BORDERS:
sup: level of styloid processes
inf: level of pisiform bone
SKIN INNERVATION:
lateral/medial antebrachial cutaneous nerves
CONTENT:
superficial branch of radial nerve
radial artery + 2 radial veins
median nerve
ulnar artery + nerve
20
Q

Guyon Canal

A 
BORDERS:
roof: palmar carpal ligament
floor: flexor retinaculum
CONTENT:
ulnar nerve and artery
21
Q

Carpal tunnel

A 
BORDERS:
roof: flexor retinaculum
floor: capitate + trapezoid
lat: lateral carpal eminence + trapezium
med: medial carpal eminence + hamate
CONTENT:
median nerve
flexor pollicis longus
flexor digitorum sup + pro
22
Q

Extensor compartments

A

1st: Abductor pollicis longus + extensor pollicis brevis
2nd: extensor carpi radialis longus + brevis
3rd: extensor pollicis longus
4th: Extensor digitorum + Extensor indicis
5th: Extensor digiti minimi
6th: Extensor carpi ulnaris

23
Q

Anatomical Snuff box

A 
BORDERS:
lat: extensor pollicis longus
med: abductor pollicis longus + extensor pollicis brevis
prx: extensor retinaculum
floor: trapezium + scaphoid
CONTENT:
superficial radial nerve, cephalic vein
radial artery, tendon of extensor carpi radialis longus + brevis
24
Q

Palmar region

A 
BORDERS:
sup: radial + ulnar carpal eminence
inf: roots of fingers
lat: border of palm
med: line from pisiform to 5th finger
SKIN INNERVATION:
radial 7 finger-sides & palm by median nerve
ulnar 3 finger sides & palm by ulnar nerve
CONTENT:
common palmar digital arteries + nerves
proper palmar digital arteries + nerves
25
Q

Dorsal hand region

A

SKIN INNERVATION:
radial 5 finger side & dorm by ulnar nerve
ulnar 5 finger side & dorm by radial nerve
CONTENT:
dorsal venous network

ANATOMY 1 (14 decks)

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