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Brachial plexus

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nolixecu's version from 2017-06-20 15:18

Section 1

Question Answer
Rhomboid Major/Minor is innervated by what?dorsal scapula
Origin of dorsal scapular nerve on brachial plexusC5-C6 roots
"loose scapula" action testD.S.
What is the travel companion of D.S nerve?Dorsal scapular artery
The medial border of the scapula is the landmark of which nerve?D.S. nerve
What is the action of D.S. nerve?Retract scapula
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Section 2

Question Answer
What is the origin of the Long Thoracic Nerve?C5-C7 roots
A winged scapula is an anomaly of which nerve?Long Thoracic
What is the travel companion of the Long Thoracic Nerve?Lateral Thoracic Artery
What muscle does the Long Thoracic innervate?Serratus Anterior
What is the action associated with the long thoracic nerve?Protraction of scapula and glenoid-up rotation
Where is the landmark of the Long Thoracic Nerve?Mid-axillary line
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Section 3

Question Answer
What is the Origin of Suprascapular nerve?C5-C6 roots
What muscles are associated with the Suprascapular nerve?supraspinatus and infraspinatus
What is the traveling companion of the suprascapular nerve/suprascapular artery
what is the action of the suprascapular nerve?glenoid humeral ABduction, GH lateral rotation, GH stability
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Section 4

Question Answer
What is the origin of the Axillary nerve?C5, C6, posterior cord
What is a unique landmark of the axillary nerve?quadrangular space
What is the traveling companion of the axillary nerve?Posterior circumflex humeral artery
What muscles are associated with the axillary nerve?Deltoid and T. Minor
How do you test the axillary nerve?palpate muscle while having pt elevate against resistance
What action is associated with the axillary nerve?ABduction of arm
How do you test sensory of axillary nerve?skin over superolateral arm
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Section 5

Question Answer
What is the origin of the musculocutaneous nerve?Posterior cord, C5, C6, C7
What is the landmark for the MC nerve?pierces through coracobrachilais
What does the MC never become after if courses through the elbow?Lateral cutaneous nerve of FA
What muscles are innervated by the MC nerve?biceps, brachialis, coracobrachialis
How do you test the MC nerve?Have pt flex elbow against resistance
What actions are associated with the MC nerve?Flexion and supination
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Section 6

Question Answer
What is the origin of the Radial Nerve?Posterior cord, C-T1
What is the traveling companion of the radial nerve?Profunda brachii
What areas are sensory of radial nerve?dorsal surface of lateral hand and proximal phalanges of digits 1-3, posterior arm and FA
What muscles does the Radial nerve innervate?Triceps, anconeus, posterior FA
What anomaly do you see with radial nerve injury?Wrist drop
What area of the hand can you test for the radial nerve?Web of hand
What actions are associated with the radial nerve?Supination and extension
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Section 7

Question Answer
What is the anomaly associated with Median nerve injury?can't do "OK" sign
What does the Median nerve give way to?Anterior interossous nerve
What is the landmark of the median nerve?Cubital fossa
What is the travel companion of the median nerve?brachial artery
Recurrent Median nerve lesion can be seen as what anomaly?Ape hand
Recurrent Median nerve does what?thumb oppostion
What is the median nerve called in the hand/?thenar eminencerecurrent median nerve
What can you see with ape hand?thenar wasting
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Section 8

Question Answer
What is the origin of the ulnar nerve?Medial cord, C8-T1
What is the landmark of the ulnar nerve?Guyon's canal, cubital tunnel
What is the travel companion of the ulnar nerve?Ulnar artery
What anomaly can you see in ulnar nerve lesions?partial claw hand
what muscles are innervated by the ulnar nerve?ADuctor pollicis, interossei, medial two lubricals, deep head FDB, FCU
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Section 9

Question Answer
Klumpke's paralysisUlnar nerve and lower plexus injury
Ape handmedian nerve
thenar wastingApe hand
hypothenar wastingpartial claw hand
Loss of all lumbricals and loss of extensor mechanismfull claw hand
Hand is contracted at restFull claw hand
Hand of Benediction is what nerve?Median nerve
Klumpke's is what nerve?Ulnar and Median
Partial claw hand is a lesion of what nerve?Ulnar nerve
Pulling on a baby's arm during birth leads to what type of injury?Lower plexus nerve injury or klumpke's
Wasting of web in hand is associated with what nerve lesion?Lower plexus nerve lesion
Separation of neck and should can lead to what type of lesionErb's Palsy
Backpacker's palsy is assoicated with what nerve?Suprascapular
Saturday Night Palsy is a lesion of which cord?Posterior cord (radial nerve and axillary nerve)
Crutch injury is a lesion of what nerves?Subscapular and throcadorsal
What is AI (Anterior Interosseous) Syndrome?loss of IP flexion of thumb, loss of DIP flexion of digits 2-3
You can't make an OK sign if you have what?AI syndrome
Injury at the cubital fossa can cause what?loss of pronation and the Sign of Benediction
What will you see with carpal tunnel syndrome?Ape hand, loss of flexion in first-3 fingers
What will you see in bagel cut?loss of sensation in the palm, loss of thumb opposition, loss of lateral 2 lumbricals
Handlebar Palsy is a lesion of what nerve?Ulnar nerve
If you injure the cubital tunnel or Guyon's Tunnel you will effect which nerve?Ulnar nerve
How can you test an Ulnar nerve injury?putting a stick between pt's fingers and having them resist as you pull the stick
Pronator Syndrome is a lesion of what nerve?Median Nerve
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