Plexus Review & Sensory Exam Flashcards
Dorsal scapular nerve
C5
Rhomboids and elevator scapula
Suprascapular nerve
C5/C6
Supraspinatus and infraspinatus
Lateral pectoral nerve
C5/C6/C7
Pectoralis major
Upper & lower subscapular nerve
C5/C6
Subscapuaris (upper)
Subscapuaris and teres major (lower)
Thoracodorsal nerve
C6/C7/C8
Lats
Medial pectoral nerve
C8/T1
Pec major and minor
Musculocutaneous nerve
C5/C6/C7
Coracobrachialis, Brachialis and Biceps Brachii
Axillary nerve
C5/C6
Deltoid and teres minor
Radial nerve
C5/C6/C7/C8/T1
Triceps brachii, Supinator, Anconeus, the extensor muscles of the Forearm, and Brachioradialis
Median nerve
C5/C6/C7/C8/T1
Pronator teres, flexor carpi radialis, flexor digitorum superficialis, and palmaris longus muscles
Ulnar nerve
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
Diaphragm
C3/C4/C5
UQS myotomes
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)
UQS dermatomes
Supraclavicular (C4)
Anterolateral arm (C5)
Lateral forearm/thumb (C6)
Middle finger (C7)
Ulnar hand (C8)
Medial forearm (T1)
Apex of axilla (T2)
LQS myotomes
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)