Plexus Review & Sensory Exam Flashcards

1
Q

Dorsal scapular nerve

A

C5
Rhomboids and elevator scapula

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2
Q

Suprascapular nerve

A

C5/C6
Supraspinatus and infraspinatus

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3
Q

Lateral pectoral nerve

A

C5/C6/C7
Pectoralis major

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4
Q

Upper & lower subscapular nerve

A

C5/C6
Subscapuaris (upper)
Subscapuaris and teres major (lower)

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5
Q

Thoracodorsal nerve

A

C6/C7/C8
Lats

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6
Q

Medial pectoral nerve

A

C8/T1
Pec major and minor

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7
Q

Musculocutaneous nerve

A

C5/C6/C7
Coracobrachialis, Brachialis and Biceps Brachii

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8
Q

Axillary nerve

A

C5/C6
Deltoid and teres minor

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9
Q

Radial nerve

A

C5/C6/C7/C8/T1
Triceps brachii, Supinator, Anconeus, the extensor muscles of the Forearm, and Brachioradialis

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10
Q

Median nerve

A

C5/C6/C7/C8/T1
Pronator teres, flexor carpi radialis, flexor digitorum superficialis, and palmaris longus muscles

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11
Q

Ulnar nerve

A

C8/T1
Flexor carpi ulnaris, the medial two bellies of Flexor digitorum profundus, the intrinsic hand muscles except the Thenar muscles and the two most lateral lumbricals

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12
Q

Diaphragm

A

C3/C4/C5

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13
Q

UQS myotomes

A

Shoulder shrug (C2,3,4)
Shoulder abduction (C5)
Elbow flexion (C5-6)
Elbow extension (C7)
Wrist extension (C6)
Wrist flexion (C7)
Thumb abduction (C8)
Finger abduction/adduction (T1)

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14
Q

UQS dermatomes

A

Supraclavicular (C4)
Anterolateral arm (C5)
Lateral forearm/thumb (C6)
Middle finger (C7)
Ulnar hand (C8)
Medial forearm (T1)
Apex of axilla (T2)

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15
Q

LQS myotomes

A

Hip flexion (L1,2,3)
Knee extension (L3,4)
Ankle DF or heel walk (L4)
Great toe ext (L5)
Ankle PF or toe walk (S1)
Foot eversions (S1)
Knee flexion (S2)

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16
Q

LQS dermatomes

A

Groin (L1)
Anteromedial thigh (L2)
Medial knee (L3)
Dorsum of foot (L5)
Lat and plantar foot/post lat leg (S2)
Saddle region (S3-S5)

17
Q

Deep tendon reflexes

A

Biceps (C5,C6)
Triceps (C6,C7)
Brachioradialis (C5,C6)
Patellar (L3,4)
Achilles (S1,2)

18
Q

Sensation tests

A

Light touch/fine touch
Sharp vs dull (must differentiatie)
Proprioception
Vibration
Monofilaments
Temperature

19
Q

Sensation tests and what pathway

A

DCML:
Light touch/fine touch
Proprioception
Vibration

ALS:
Sharp (pain)
Temperature