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S&F > Upper Limb > Flashcards

Upper Limb Flashcards

1
Q

Rhomboids

A

ACTION: stabilization, retraction, elevation, internal rotation of scapula
NERVE: Dorsal Scapula (C5)
ARTERY: Dorsal Scapula Artery

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2
Q

Levator Scapula

A

ACTION: flex head and neck laterally
NERVE: Dorsal Scapula (C5)
ARTERY: Transverse/ascending cervical artery

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3
Q

Dorsal Scapular Nerve

A

(C5)

innervates rhomboids and levator scapulae

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4
Q

Infraspinatus

A

ACTION: external rotation
NERVE: Suprascap (C5-6)
ARTERY: circumflex scapular artery, suprascapulary artery

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5
Q

Surpaspinatus

A

ACTION: elevate scapula, abduct arm
NERVE: Suprascap (C5-6)
ARTERY: suprascap a.

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6
Q

Pectoralis Major

A

ACTION: adduct, int rot, flex arm
NERVE: Lateral Pectoral Nerve (C5-7); Med Pect Nerve (C8-T1)
ARTERY: thoracoacromial artery

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7
Q

Suprascapular Nerve

A

Upper branch, C5-6

Innervates Infraspinatus and Supraspinatus

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8
Q

Musculocutaneous Nerve

A 
(C5-7)
innervates coracobrachialis, biceps brachii, and brachialis
ACTION: 
NERVE: 
ARTERY:
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9
Q

Coracobrachialis

A

ACTION: flexion, adduction, internal rotation
NERVE: Musculocutaneous Nerve (C5-7)
ARTERY: brachial artery

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10
Q

Biceps Brachii

A

(long = lateral)
ACTION: flex at elbow, supination, adduction
NERVE: Musculocutaneous Nerve (C5-7)
ARTERY: brachial artery

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11
Q

Brachialis

A

ACTION: flexion of elbow joint to flex arm
NERVE: Musculocutaneous Nerve (C5-7)
ARTERY: brachial artery

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12
Q

Flexor Muscles in Forearm

A 
MEDIAN NERVE (C6- T1) & ULNAR ARTERY
Pronator teres (pronate)
Flexor Carpi Radialis (wrist + abduction)
Palmaris Longis (wrist) 
Flex Digitum Superficialis (PIP flex)
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13
Q

5 Intrinsic Hand Muscles

A 
Median Nerve (C6-T1) Innervated:
*2 radial lumbricles (artery: superficial palmar arterial arch

*3 thumb: (RECURRENT MEDIAN NERVE)
opponins pollicis (opp),
abduct pollicis brevis (abd),
flexor pollicis brevis (flex)

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14
Q

superficial palmar arterial arch

A

arises from terminal ulnar and superficial palmar branches of radial artery
most of the supply is by the ulnar artery

Supplies palmar hand and surface of digits (except thumb and dorsum of distal phalange segs of 2-5th digits

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15
Q

Radial Nerve

A

(C5-8) innervates posterior extensors of arm at GH and elbow joint and posterior forearm:

triceps brachii long, short, and medius (brachial artery; action: extension and adduction of the shoulder joint, extension of elbow joint)

(though many supplied by branches of radial)

Posterior Forearm:
brachioradialis (posterior interosseous artery; action: flexion of forearm at elbow)
extensor carpi radialis longus (radial artery; action: wrist extension and abduction)

innervates a superficial cutaneous branch

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16
Q

triceps brachii

A

long, short, and medius

  • radial nerve (C5-8)
  • brachial artery;
  • action: extension and adduction of the shoulder joint, extension of elbow joint
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17
Q

brachioradialis

A 
radial nerve (C6 - T1)
posterior interosseous artery
action: flexion of forearm at elbow
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18
Q

extensor carpi radialis longus

A

radial nerve (C6 - T1)
radial artery;
action: wrist extension and abduction

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19
Q

Deep Branch of Radial Nerve

A

(C7-8) innervates:
extensor carpi radialis brevis (action: wrist extension and abduction; radial artery)
supinator (action: supinate forarm; posterior interosseous artery)

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20
Q

extensor carpi radialis brevis

A

Deep Branch of Radial Nerve (C7-8)
action: wrist extension and abduction;
radial artery

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21
Q

Supinator

A

ACTION: supination of forearm
NERVE: Deep Branch of Radial Nerve (C7-8)
ARTERY: recurrent interosseous artery

22
Q

Deep Branch of Radial Nerve Innervations

A

C7-8

extensor carpi radialis brevis and suprinator

23
Q

Extensor Digitorium

A

ACTION: extends digits 2-5
NERVE: posterior interosseous
ARTERY: posterior interosseous

24
Q

Extensor Digiti Minimi

A

ACTION: extends digits 5
NERVE: posterior interosseous
ARTERY: posterior interosseous

25
Q

Abductor Pollicis Longus

A

ACTION: abduct thumb
NERVE: posterior interosseous (or deep branch of radial, according to essential anatomy)
ARTERY: posterior interosseous

26
Q

Extensor Pollicis Brevis

A

ACTION: extend thumb
NERVE: posterior interosseous
ARTERY: posterior interosseous

27
Q

Extensor Pollicis Longus

A

ACTION: extend thumb
NERVE: posterior interosseous
ARTERY: posterior interosseous

28
Q

Extensor Indicis

A

ACTION: extend first finger
NERVE: posterior interosseous
ARTERY: posterior interosseous

29
Q

Posterior Interosseous

A 
innervates:
Extensor Digitorium 
Extensor Digiti Minimi
Abductor Pollicis Longus
Extensor Pollicis Brevis
Extensor Pollicis Longus
Extensor Indicis
30
Q

Extensor Carpi Ulnaris

A

ACTION: extend and adduct wrist
NERVE: posterior interosseous
ARTERY: ulnar

31
Q

Axillary Nerve

A

C5-6
innervates deltoid and teres minor

deltoid (abduct arm, flex, intern rot (anterior fibers) and extension (posterior fibers); posterior circumflex artery) and teres minor (external rotation and adduction of the arm; circumflex scap art and post circumflex art)

32
Q

Deltoid

A

ACTION: anterior fibers) and extension (posterior fibers); posterior circumflex artery
NERVE: axillary
ARTERY: posterior circumflex artery

33
Q

Subscapularis

A

ACTION: internal rotation and extension of the arm
NERVE: upper and lower branches of subscap nerve
ARTERY: subscapular artery

34
Q

Teres major

A

ACTION: extension, adduction of upper arm, internal rotation
NERVE: lower branch of subscap nerve
ARTERY: circumflex scapular artery

35
Q

Lower Branch of Subscapular Nerve

A

innervates Teres Major and Subscap

36
Q

Thoracodorsal Nerve

A

aka: Middle Branch of Subscap Nerve

Innervates latissimus dorsi (extension, adduction, internal rot of arm; thoracodorsal art)

37
Q

latissimus dorsi

A

ACTION: extension, adduction, internal rot of arm;
NERVE: Thoracodorsal Nerve
ARTERY: thoracodorsal artery

38
Q

Ulnar Nerve

A

C8-T1
Innervates forearm flexors and gives rise to deep ulnar (which innervates 13 intrinsic hand muscles)

Forearm flexors: flexor carpi ulnaris (wrist flexion; adduction; ulnar artery) and half of flexor digitorum profundus

39
Q

flexor carpi ulnaris

A

ACTION: wrist flexion; adduction;
NERVE: ulnar
ARTERY: ulnar artery

40
Q

flexor digitorum profundus

A

ACTION: flex wrist and DIPs/PIPs
NERVE: half ulnar and half median (anterior interoseous)
ARTERY: ulnar and ant inteross

41
Q

13 Intrinsic Hand Muscles

A 
Deep Ulnar Innervation:
2 lumbricles (ulner side)
7 interossei (3 PADs, and 4 DABs)
Adductor pollicis
Hypothenar: abductor digiti minimi, opponons digiti minimi
42
Q

Anterior Interosseous

A

Branch of the Median Nerve

Innervates deep anterior arm muscles:
Pronator Quadratus
Flexor Digitorum Profundus
Flexor Pollicis Longus

43
Q

Pronator Quadratus

A

ACTION: forearm pronation
NERVE: Anterior Interosseous
ARTERY: Anterior Interosseous

44
Q

Flexor Digitorum Profundus

A

ACTION: flexion at DIP
NERVE: Anterior Interosseous
ARTERY: Ulnar and Anterior Interosseous

45
Q

Flexor Pollicis Longus

A

ACTION: flex distal phalanx of thumb
NERVE: Anterior Interosseous
ARTERY: Anterior Interosseous

46
Q

Med Pect Nerve

A

Innervates Pect Major and Pect Minor

47
Q

Med Brach Cut Nerve

A

innervates skin of medial arm (C8-T1)

48
Q

Med Antebrach Cut Nerve

A

innervates skin of anterior and ulnar arm (C8-T1)

49
Q

Pectoralis Minor

A

ACTION: pulls scapula mediall, forward and downwards
NERVE: Med Pect Nerve
BLOOD: thoracoacromial artery

50
Q

Long Thoracic Nerve

A

C5-C7

innervates serratus anterior

51
Q

Serratus Anterior

A

ACTION: superior external rotator of scapular; lowers arm; elevates ribs
NERVE: Long Thoracic
ARTERY: Lateral Thoracic Artery

S&F (4 decks)

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