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Upper Limb Flashcards

(51 cards)

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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

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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

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A

C7-8

extensor carpi radialis brevis and suprinator

23
Q

Extensor Digitorium

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A

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

24
Q

Extensor Digiti Minimi

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A

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

25
Abductor Pollicis Longus
ACTION: abduct thumb NERVE: posterior interosseous (or deep branch of radial, according to essential anatomy) ARTERY: posterior interosseous
26
Extensor Pollicis Brevis
ACTION: extend thumb NERVE: posterior interosseous ARTERY: posterior interosseous
27
Extensor Pollicis Longus
ACTION: extend thumb NERVE: posterior interosseous ARTERY: posterior interosseous
28
Extensor Indicis
ACTION: extend first finger NERVE: posterior interosseous ARTERY: posterior interosseous
29
Posterior Interosseous
``` innervates: Extensor Digitorium Extensor Digiti Minimi Abductor Pollicis Longus Extensor Pollicis Brevis Extensor Pollicis Longus Extensor Indicis ```
30
Extensor Carpi Ulnaris
ACTION: extend and adduct wrist NERVE: posterior interosseous ARTERY: ulnar
31
Axillary Nerve
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
Deltoid
ACTION: anterior fibers) and extension (posterior fibers); posterior circumflex artery NERVE: axillary ARTERY: posterior circumflex artery
33
Subscapularis
ACTION: internal rotation and extension of the arm NERVE: upper and lower branches of subscap nerve ARTERY: subscapular artery
34
Teres major
ACTION: extension, adduction of upper arm, internal rotation NERVE: lower branch of subscap nerve ARTERY: circumflex scapular artery
35
Lower Branch of Subscapular Nerve
innervates Teres Major and Subscap
36
Thoracodorsal Nerve
aka: Middle Branch of Subscap Nerve | Innervates latissimus dorsi (extension, adduction, internal rot of arm; thoracodorsal art)
37
latissimus dorsi
ACTION: extension, adduction, internal rot of arm; NERVE: Thoracodorsal Nerve ARTERY: thoracodorsal artery
38
Ulnar Nerve
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
flexor carpi ulnaris
ACTION: wrist flexion; adduction; NERVE: ulnar ARTERY: ulnar artery
40
flexor digitorum profundus
ACTION: flex wrist and DIPs/PIPs NERVE: half ulnar and half median (anterior interoseous) ARTERY: ulnar and ant inteross
41
13 Intrinsic Hand Muscles
``` Deep Ulnar Innervation: 2 lumbricles (ulner side) 7 interossei (3 PADs, and 4 DABs) Adductor pollicis Hypothenar: abductor digiti minimi, opponons digiti minimi ```
42
Anterior Interosseous
Branch of the Median Nerve Innervates deep anterior arm muscles: Pronator Quadratus Flexor Digitorum Profundus Flexor Pollicis Longus
43
Pronator Quadratus
ACTION: forearm pronation NERVE: Anterior Interosseous ARTERY: Anterior Interosseous
44
Flexor Digitorum Profundus
ACTION: flexion at DIP NERVE: Anterior Interosseous ARTERY: Ulnar and Anterior Interosseous
45
Flexor Pollicis Longus
ACTION: flex distal phalanx of thumb NERVE: Anterior Interosseous ARTERY: Anterior Interosseous
46
Med Pect Nerve
Innervates Pect Major and Pect Minor
47
Med Brach Cut Nerve
innervates skin of medial arm (C8-T1)
48
Med Antebrach Cut Nerve
innervates skin of anterior and ulnar arm (C8-T1)
49
Pectoralis Minor
ACTION: pulls scapula mediall, forward and downwards NERVE: Med Pect Nerve BLOOD: thoracoacromial artery
50
Long Thoracic Nerve
C5-C7 | innervates serratus anterior
51
Serratus Anterior
ACTION: superior external rotator of scapular; lowers arm; elevates ribs NERVE: Long Thoracic ARTERY: Lateral Thoracic Artery

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