Upper Extremity Flashcards

1
Q

_______ is a continuation of the spine of the scapula

A

Acromion (posterior)

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2
Q

______ connects the coracoid process to the clavicle.

A

Coraclavicular ligament

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3
Q

_____ connects the acromion to the clavicle

A

Acromioclavicular ligament

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4
Q

______ connects it to itself, Coracoid and Acromion. Helps to stabilize

A

Coracoacromial ligament- would need a fracture of the scapula in order to stress this ligament

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5
Q

Type I shoulder joint separation

A

Stretch and damage AC joint but nothing is ruptured

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6
Q

Type II

A

AC joint is ruptured and stress CC

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7
Q

Type III shoulder separation

A

AC and CC are both ruptured

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8
Q

In what type of shoulder separation is the clavicle raised up and lump in their neck?

A

Type III

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9
Q

______ articulates the humerus to the radius

A

Capitulum

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10
Q

______ is where the humerus and ulnar articulate

A

Trochlea

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11
Q

______ is a common place to fracture the humerus because it narrows and it is outside the joint capsule

A

Surgical neck of the humerus

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12
Q

_______ is significantly larger in people who work manual labor jobs. Why?

A

Deltoid tuberosity, because it is a site for muscle attachment.

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13
Q

Lateral epidcondyle and ridge is where Extensors or flexors attach?

A

Extensors

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14
Q

Medial epidcondyle and ridge is where Extensors or flexors attach?

A

Flexors

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15
Q

_______ is the point of the elbow. What bone is it on?

A

Olecranon process, Ulna

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16
Q

What is weird about the Ulna?

A

The “head” is distal (closer to the wrist)

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17
Q

What inserts at the Ulnar Tubersoity?

A

Brachiliasis muscle

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18
Q

What inserts at the Radial tuberosity?

A

Biceps Brachi

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19
Q

What three ligaments are responsible for the elbow?

A

Radial collateral, Ulnar collateral and annular

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20
Q

What ligament does Tommy John’s Sx repair?

A

Ulnar collateral

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21
Q

Nursemaid’s elbow is displacement of what ligament? What bone is displaced?

A

Annular ligament, radial head

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22
Q

____ is the boat shaped carpal bone

A

Scaphoid

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23
Q

_____ is stickying out of the carpal bones (palmar side)

A

Pisiform

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24
Q

______ (hand bone) is on the thumb side

A

Trapezium

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25
Q

Rank the joints in the hand from most moveable to least moveable.

A
  1. Radiocarpal joint (most “flexible”)
  2. Intercarpal joint (middle)
  3. Carpometacarpal joint (Least)
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26
Q

The _____ only has a proximal and distal phalanges

A

Thumb (digit 1)

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27
Q

Digits 2-5 has ____, ____ and _____.

A

Proximal, middle and distal phalanges

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28
Q

What are the 3 joints in the phalanges called?

A

MCP- Metacarpophalangeal joint
PIP- Proximal interphalangeal joint
DIP- distal interphalangeal joint

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29
Q

The flexor retinaculum connects what 3 carpal bones?

A

Pisiform, hamate and trapezium

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30
Q

______ is the top of the carpal tunnel

A

Flexor retinaculum

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31
Q

Hyperextension injury tears what ligament in the hand?

A

Palmar plates

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32
Q

_______ takes the most of the weight when you fall on your hand

A

Scaphoid bone

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33
Q

Colle fractures is a fracture of what bone?

A

fracture of the distal radius

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34
Q

_______ is responsible for holding the scapula to the body wall

A

Serratus Anterior

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35
Q

_____ starts abbduction of the arm

A

Supraspinatus

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36
Q

____ and ___ rotate the humerus

A

Infraspinatus and Teres Minor

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37
Q

_____ internally rotates the arm

A

Subscapularis

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38
Q

4 Rotator Cuff muscles

A
  1. Supraspinatus
  2. Infraspinatus
  3. Subscapularis
  4. Teres Minor
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39
Q

______ is testing the supraspinatus

A

Drop arm test

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40
Q

Scratch back from above (Externally rotate the arm)

A

Infraspinatus muscle

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41
Q

Scratch back from below (internally rotate the arm)

A

Subscapularis muscle

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42
Q

______ are lubricating sacs that help prevent friction

A

Bursae

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43
Q

Pectoralis major attaches to ____

A

Intertubulcar sulcus of the humerus

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44
Q

Anterior compartment of the arm is responsible for ____

A

Flexing the arm at the elbow

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45
Q

Deep to the biceps brachii is the ______

A

Brachialis

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46
Q

_______ shares most of its functions with the Pectoralis major

A

Coracobrachialis

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47
Q

_______ is responsible for flexion and supination of the forearm

A

Biceps Brachii

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48
Q

_______ is small, posterior arm muscles, mostly responsible for stablization. Some extension of the forearm

A

Anconeus

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49
Q

_____ on the anterior side

A

flexors

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50
Q

____ on the posterior side

A

extensors

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51
Q

_____ muscle move the wrist and entire hand

A

Carpi

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52
Q

____ muscles move the digits

A

Digitorum

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53
Q

_____ muscles move the thumb

A

Pollicis

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54
Q

____ muscles specifically move the index finger- 2nd digit

A

Indicis

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55
Q

_____ muscles specifically move the little finger- 5th digit

A

Digiti minimi

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56
Q

______ acts like a flexor even though it is on the posterior side

A

Brachioradialis

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57
Q

_____ and ____ both extend the 5th digit

A

Extensor Digitorum and Extensor Digiti Minimi

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58
Q

_____ wraps around the radius

A

Supinator

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59
Q

crank your thumb backwards

A

is extension

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60
Q

Flexion of the thumb in….

A

folding it in over your palm

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61
Q

_____ is important because it has a big, long tendon that can be used as an autograph for surgery

A

Palmaris longus

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62
Q

The _____ is responsible for the flexion of the DIP joint

A

Flexor Digitorum Profundus

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63
Q

What is tennis elbow?

A

Lateral Epicondylitis

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64
Q

What is golfer’s elbow?

A

Medial Epicondylitis

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64
Q

The ______ usually communicate with the common flexor sheath versus the rest of the digits are independent tendon sheaths.

A

Synovial sheath of the 5th digit

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64
Q

_____ is not part of the thenar eminence

A

Adductor Pollicis

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64
Q

______ attach to the tendons in the hand and help extend the phalanges

A

Lumbricals

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64
Q

The Lumbricals are ____ until they reach the MCP and then they go _____

A

palmar, dorsal

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64
Q

_____ are found with the tendon sheath to help reduce friction

A

synovial fluid

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65
Q

What nerve roots are the major contributors to the upper limbs?

A

C5-T1

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66
Q

The more promixal the muscles, what nerves are it more likely to be innervated by?

A

Superior nerves

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67
Q

The more distal the muscle, what nerves are it more likely to be innervated by?

A

Inferior nerves

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68
Q

C5 Dermatome

A

Lateral shoulder

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69
Q

C6 Dermatome

A

First digit (Thumb)

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70
Q

C7 Dermatome

A

3rd Digit

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71
Q

C8 Dermatome

A

5th Digit- pinky

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72
Q

T1 Dermatome

A

Medial elbow

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73
Q

The “roots” in the brachial plexus are actually what?

A

Anterior Rami

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74
Q

C5 and C6 form to become what trunk?

A

Superior Trunk

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75
Q

C7 is what trunk of the brachial plexus?

A

Middle

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76
Q

C8 and T1 fuse to become what trunk?

A

Inferior Trunk

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77
Q

Superior and Middle anterior divisions form ____

A

Lateral cord

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78
Q

Inferior anterior forms what ?

A

Medial cord

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79
Q

The superior posterior, middle posterior and inferior posterior all fuse to become ____

A

Posterior cord- extensor muscles

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80
Q

Lateral cord innverates _____

A

Musculocutaneous nerve

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81
Q

Medial cords innverates _____

A

ulnar nerve

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82
Q

______ and _____ form the median nerve.

A

Lateral and Medial Cord

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83
Q

Posterior cord innervates all the _______. Name the 2 nerves

A

Extensors, Axillary and Radial nerve

84
Q

______ innervates all the muscles of the anterior compartment of the arm.

A

Musculocutaneous nerve

85
Q

_______ carries sensory information form the lateral forearm.

A

Musculocutaneous nerve

86
Q

A _______ nerve lesion presents with weakness/inability to flex the forearm at the elbow and altered sensation over lateral forearm

A

Musculocutaneous

87
Q

What nerve does this represent? WITH weakness/inabiilty to flex the forearm

A

Musculocutaneous

88
Q

What happened here?

A

Biceps Tendon Rupture

89
Q

Axillary nerve innervates ______

A

Deltoid (mainly the Deltoid) and teres minor

90
Q

The _____ innervates all the muscles of the posterior compartment of the arm.

A

Radial nerve

91
Q

In the forearm the radial nerves divides into: (Name and what kind?)

A
  1. Superficial Radial- Sensory
  2. Deep Radial- Motor
  3. Posterior Interosseous- Motor
92
Q

The area in red represents what what nerve?

A

Radial nerve

92
Q

The area in grey represents what nerve?

A

Axillary nerve

93
Q

An ______ lesion will present with weakness/inability to flex/extend/abduct the arm at the shoulder and altered sensation over the shoulder.

A

Axillary Nerve

94
Q

The ______ carries sensory information from the posterior arm and posterior forearm

A

radial nerve

95
Q

A ______ nerve lesion presents with weakness or inability to extend the forearm at the elbow, extend the hand at the carpus and extend the fingers. Also altered sensation over the posterior arm, forearm and hand.

A

proximal radial

96
Q

A______ nerve lesion presents with intact elbow movement but weakness/inability when extending the wrist and fingers. Also altered sensation over the posterior forearm and hand.

A

More distal radial

97
Q

Axillary nerve damage can cause atrophy to what muscle?

A

Deltoid muscle

98
Q

The _______ innervates nearly all of the muscles in the anterior forearm and a few of the muscles of the hand

A

Median Nerve

99
Q

The ______ innervates 1 & ½ muscles in the forearm and nearly all of the muscles of the hand

A

ulnar nerve

100
Q

What muscles in the hand does the Median Nerve Innervate?

A

-Abductor pollicis brevis
-Opponens pollicis
-Flexor pollicis brevis
-1st and 2nd lumbricals

101
Q

Name the 2 branches of the median nerve

A

-Anterior interosseous nerve
-Recurrent branch of the median nerve (muscles of thenar eminence)

102
Q

The ______ carries sensory info from the palmar aspect of digits 1-3 & the radial ½ of the 4th digit

A

median nerve

103
Q

What nerve doest this correlate with? Sensory or Motor?

A

Median nerve, sensory to the hand and motor to the thumb

104
Q

______ is response for rolling the radius over? Innervation?

A

Pronator Teres, median nerve

105
Q

_______ innervates the thenar eminence

A

Median nerve

106
Q

Impingement at the carpal tunnel or damage to the ______ presents with:

-weakness in thumb motion
-diminished grip strength (thumb).
-altered sensation over the palmar hand
-altered sensation over palmar aspect of digits 1-3
- altered sensation over the lateral aspect of 4th digit

A

recurrent branch of the median nerve

107
Q

______ presents with:
-weakness in thumb motion
-diminished grip strength (thumb).
-altered sensation over the palmar hand –altered sensation over palmar aspect of digits 1-3
- altered sensation over the lateral aspect of 4th digit
-weakness in motion of the 2nd digit
-Inability to make a circle with the thumb and index fingers

A

median nerve proximal to the carpal tunnel or damage to the anterior interosseous nerve

108
Q

________ presents with:
-weakness in thumb motion
-diminished grip strength (thumb).
-altered sensation over the palmar hand –altered sensation over palmar aspect of digits 1-3
- altered sensation over the lateral aspect of 4th digit
-weakness in motion of the 2nd digit
-Inability to make a circle with the thumb and index fingers
-weakness in wrist flexion and in grip strength from the forearm muscles.
-When asked to make a fist “hand of benediction” is formed

A

proximal median nerve lesion

109
Q

The ulnar nerve innervates two muscles of the anterior forearm:

A

Flexor carpi ulnaris
½ of Flexor digitorum profundus

110
Q

The _______ innervates all muscles of the hand that are not innervated by the median nerve.

A

deep branch of the ulnar nerve

111
Q

The ______ carries sensory information from the palmar and dorsal aspects of the 5th digit and the ulnar ½ of the 4th digit.

A

superficial branch of the ulnar nerve

112
Q

What nerve?

A

Ulnar Nerve

113
Q

_____ presents with:

-atrophy of intrinsic muscles of the hand (except thenar eminence)
-weakness in grip but particularly in abduction and adduction of the digits against resistance
-altered sensation of 5th digit
- altered sensation of the medial aspect of 4th digit

A

ulnar nerve lesion at the wrist

114
Q

_____ presents with:

-atrophy of intrinsic muscles of the hand (except thenar eminence)
-weakness in grip but particularly in abduction and adduction of the digits against resistance
-altered sensation of 5th digit
- altered sensation of the medial aspect of 4th digit
-weakness in wrist flexion and in grip strength from the forearm muscles
-when asked to make a fist, patient will often be described as having a “claw hand”

A

proximal ulnar nerve lesion

115
Q

What does this indicate? Name?

A

proximal ulnar nerve lesion, “Claw Hand”

116
Q

On the palm, the _______ send sensory branches to the palmar aspect of each finger.

A

median and ulnar nerves

117
Q

Common palmar digital nerves give off ______

A

proper palmar digital nerves

117
Q

_______ innerves the thenar eminence

A

Recurrent branch of the median nerve

118
Q

The Dorsal Scapular Nerve comes off of _____

A

C5

119
Q

C5, C6 and C7 proximally give off what nerve?

A

Long thoracic nerve

120
Q

The Superior branch has 2 proximal branches, named….

A
  1. Suprascapular nerve
  2. Nerve to subclavius
121
Q

_______ is a proximal branch off the lateral cord

A

Lateral pectoral nerve

122
Q

_______ is a proximal branch off the medial cord

A

Medial Pectoral nerve

123
Q

the ____ and _____ nerve tend to form a loop

A

Lateral pectoral and medial pectoral nerves

124
Q

Name the 3 proximal branches off the Posterior cord

A
  1. Subscapular Nerve
  2. Thoracodorsal Nerve
  3. Subscapular Nerve
125
Q

The ______ from the radial nerve do not quite make it to the end of the fingers.

A

dorsal digital nerves

126
Q

The ______ nerves also give off a dorsal branch to the fingertips and nail bed areas

A

proper palmar digital

127
Q

Name 6 nerves that originate from cords:

A

1.Subscapular nerve
2. Thoracodorsal nerve
3. Lateral pectoral nerve
4. Medial pectoral nerve
5. Medial cutaneous nerve of arm
6. Medial cutaneous nerve of forearm

128
Q

______ internal rotation of the arm

A

subscapularis muscle

129
Q

_______ is responsible for arm adduction

A

Teres major muscle

130
Q

A _______ presents with weakness/inability to internally rotate the arm. It may present with the arm persistently rotated externally.

A

subscapular nerve lesion

131
Q

__________ innervates Latissimus dorsi muscle

A

thoracodorsal nerve

132
Q

______ Adduct and extend arm at the shoulder

A

Latissimus dorsi muscle

133
Q

A ______ will present with weakness/inability to “row” one’s arm back from a flexed or abducted position at the shoulder

A

thoracodorsal nerve lesion

134
Q

______ innervates the Pectoralis major and minor

A

medial pectoral nerve

135
Q

______ adduct and flex arm at shoulder

A

Pectoralis major

136
Q

_____ stabilize scapula by pulling coracoid process inferiorly and anteriorly

A

Pectoralis minor

137
Q

_____ innervates just the Pectoralis Major

A

lateral pectoral nerve

138
Q

______ present with weakness/ inability to push away from a wall or move the shoulder from an abducted to flexed position

A

Pectoral nerve lesions

139
Q

_______ Loss of radial and axillary nerve function.

A

Posterior cord damage

140
Q

______ Loss of musculocutaneous and weakness of median nerve

A

Lateral cord damage

141
Q

________ Loss of ulnar nerve and weakness of median nerve. Loss of sensation from medial arm and forearm

A

Medial cord damage

142
Q

Nerves from the roots and trunks include what 4 nerves.

A
  1. Dorsal Scapular
  2. Long thoracic
  3. Nerve to the subclavius
  4. Suprascapular nerve
143
Q

______ innervates Levator scapulae and Rhomboid major and major

A

dorsal scapular nerve

144
Q

An _____ would present with weakness elevating and retracting the scapula, but a functional trapezius would mask the problem.

A

isolated dorsal scapular nerve lesion

145
Q

______ innervates Serratus anterior muscle

A

long thoracic nerve

146
Q

_______ protraction and rotation of scapula

A

Serratus anterior muscle

147
Q

A _____will present with weakness/inability to protract the scapula. The scapula “wings” posteriorly when the person tries to push their body away from leaning against a wall or doing a push up.

A

long thoracic nerve lesion

148
Q

nerve to subclavius innervates the ____

A

Subclavius muscle

149
Q

______ innervates the Supraspinatus muscle and Infraspinatus muscle

A

suprascapular nerve

150
Q

_______ initiate of arm abduction

A

Supraspinatus muscle

151
Q

_____ lateral rotation of the arm

A

Infraspinatus muscle

152
Q

A _______ will present with weakness/inability to initiate abduction of the arm at the shoulder and to externally rotate the arm at the shoulder

A

suprascapular nerve lesion

153
Q

_______ caused by injury to the superior trunk or C5-C6 roots of the brachial plexus. It results in weak or nonfunctional: nerve to the subclavius, suprascapular, axillary and musculocutaneous nerves. The dorsal scapular, long thoracic nerves MAY be injured

A

Erb-Duchenne Palsy

154
Q

The axillary region is bordered by what 4 structures?

A

Pectoral muscles- Anterior
Subscapularis muscle- Posterior
Humerus- Lateral
Serratus Anterior Muscle- Medial

155
Q

Erb-Duchenne Palsy will results in weak or nonfunctional: (What 4 nerves). The dorsal scapular, long thoracic nerves MAY be injured

A
  1. nerve to the subclavius
  2. suprascapular
  3. axillary
  4. musculocutaneous nerves
156
Q

______ caused by injury to the inferior trunk of the brachial plexus. Nonfunctional ulnar nerve and sensory loss from the medial cutaneous nerves of the arm and forearm. Median & radial nerves will be less severely affected.

A

Klumpke’s Paralysis

157
Q

Klumpke’s Paralysis caused by injury to the ________. Nonfunctional _____ nerve and sensory loss from the _____ nerves of the arm and forearm. Median & radial nerves will be less severely affected.

A

inferior trunk of the brachial plexus, ulnar, medial cutaneous

158
Q

In Klumpke’s Paralysis the claw hand appreance is due to what?

A

Proximal ulnar nerve damage

159
Q

______ firmly attaches the scapula to the ribs

A

Serratus anterior

160
Q

Persistent internally rotation of the arm. What is weak?

A

Weak infraspinous and supraspinous

161
Q

Persistently extended elbows is during to damage to what nerve?

A

muslcocutaneous nerve

162
Q

Describe the “Waiter’s Tip” sign and what Palsy does it indicate?

A

Elbows extended with wrist permanently flexed, Erb- Duchenne Palsy

163
Q

Name 2 causes of Erb-Duchenne Palsy

A

Traction of the neck during childbirth and falling on your neck

164
Q

The ____ allows passage of neurovascular structures to axilla from the neck

A

Apex

165
Q

_____ is the parent artery to the entire upper limb

A

Subclavian artery

166
Q

Once subclavian artery crosses the first rib, it becomes the _____

A

axillary artery

167
Q

____ supplies levator scapulae and rhomboid muscles.

A

Dorsal scapular artery

168
Q

_____ supplies supraspinatus and infraspinatus muscles

A

Suprascapular artery

169
Q

The axillary artery is divided into 3 segments

A

Supreme thoracic artery-Segment 1
Lateral thoracic artery- Segment 2
Thoracoacromial trunk- Segment 3

170
Q

_______ supplies the anterior
1st and 2nd intercostal spaces. Where is it in relation in the chest cavity?

A

Supreme thoracic artery, Proximal to the pectoralis minor

171
Q

______ supplies serratus anterior muscle and breast tissues.

A

Lateral thoracic artery

172
Q

The thoracoacromial trunk supplies what 4 things

A

Clavicular branch
Pectoral branch
Acromial branch
Deltoid branch

173
Q

Segment 2 of the Axillary artery is called _____. Where is it in the chest cavity?

A

Lateral thoracic artery, covered by the pectoralis minor

174
Q

______ innervates the serratus anterior

A

Long thoracic

175
Q

Segment 3 of the axillary is named what? Where is it in the chest cavity?

A

Thoracoacromial trunk, distal to pectoralis minor

176
Q

_____ supplies subscapularis and has two branches. Name them.

A

Subscapular artery

  1. Circumflex scapular artery
  2. Thoracodorsal artery
177
Q

_____ supplies the infraspinatus muscle

A

Circumflex scapular artery

178
Q

______ supplies latissimus dorsi muscle

A

Thoracodorsal artery

179
Q

_____ and ______ supply the deltoid and anterior compartment of the arm

A

-Anterior humeral circumflex artery (tends to be smaller)
-Posterior humeral circumflex artery (tends to be larger)

180
Q

As the axillary artery crosses the teres major muscle it becomes the _____

A

Brachial artery

181
Q

What artery when compressed against the humerus can you feel a pulse on the medial arm?

A

Brachial artery

182
Q

Name the 3 branches of the brachial artery. What parts of the arm do they supply?

A
  1. Deep brachial artery -supplies posterior compartment of arm
  2. Superior ulnar collateral artery branches medially near middle arm.
  3. Inferior ulnar collateral artery branches medially near elbow
183
Q

In cubital fossa the brachial artery splits into _____ and ______.

A

radial and ulnar arteries

184
Q

The radial artery gives off _____ near the elbow

A

Radial recurrent artery

185
Q

the ______ has a very palpable pulse on anterior wrist near base of thenar eminence

A

Radial artery

186
Q

The ______ has a pulse palpable just lateral to tendon of flexor carpi ulnaris muscle

A

ulnar artery

187
Q

Name the 2 branches of the Ulnar artery

A

-Ulnar recurrent artery
-Common interosseous artery

188
Q

The common interosseous artery splits into:

_____ which supplies deep structures of the anterior compartment of forearm.

and

______ which supplies structures of the posterior compartment of the forearm

and

_____

A

Anterior interosseous artery

Posterior interosseous artery

Small recurrent interosseous branch

189
Q

_______ supply the deep muscles in the forearm

A

Anterior and posterior interosseous arteries

190
Q

The ulnar artery forms MOST of the ______ arch along with a variable contribution from the ______

A

superficial palmar arch, radial artery

191
Q

_____ gives off several common _______ that then split into:
_______ traveling on either side of the digit

A

Superficial palmar arch

palmar digital arteries

Proper palmar digital arteries

192
Q

Most of the _____ passes posterior to wrist but dives anteriorly through the adductor pollicis muscle to form the ______ with some contribution from the _____

A

radial artery

deep palmar arch

ulnar artery

193
Q

Deep palmar arch gives off:
_______ that join with common palmar digital arteries

A

Palmar metacarpal arteries

194
Q

Red blood cells, white blood cells, and platelets are produced in the marrow of long bones and enter circulation via ______

A

nutrient veins

195
Q

Fluids can be administered into the long bones’ ______.

A

medulla

196
Q

Define Anastomosis

A

The blood vessels interconnect

197
Q

The ____ artery is commonly used as an autograph in heart surgery. Why?

A

Radial Artery. Due to anastomosis in the hand the Ulnar artery will find a way to keep the hand supplied with blood.

198
Q

Name the 2 veins with no corresponding artery

A

Cephalic and basilic vein

199
Q

Where does the cephalic vein empty?

A

Drains into the subclavian vein at the deltopectoral triangle

200
Q

____ drains radial hand, posterior forearm and arm

A

Cephalic vein

201
Q

_____ drains the ulnar hand and anterior forearm

A

Basilic vein

202
Q

______ drains to the brachial vein at the elbow

A

Basilic vein

203
Q

______ connects the cephalic and basilic vein

A

Medial cubital vein

204
Q

Give one example of a neurovascular bundle

A

axillary artery’s close connection to cords of the brachial plexus, where vessels and nerves run alongside each other

205
Q

The quadrangular space is
bounded by:

A

long head of triceps
teres minor
teres major muscles
humerus

206
Q

The ____ is vulnerable during shoulder dislocation and humeral neck fracture

A

quadrangular space

207
Q

The triangular interval
bounded by: (3 things). When is it vulnerable?

A

long head of triceps
lateral head of triceps
teres major muscles

During mid-shaft humeral fractures

208
Q

The ulnar nerve/vessel bundle is vulnerable when….

A

trauma/fracture near the medial aspect of the distal forearm and carpus.

209
Q

The proper palmar digital nerves/vessel bundle is vulnerable when…

A

laceration on the lateral palmar aspect of all digits

210
Q

Fracture of humeral shaft will often involve:

A

Radial nerve and Deep brachial artery and vein

211
Q

_____ is the result of blocking the flow of lymph results in edema, or swelling.

A

Lymphedema