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Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... - Radial Nerve Palsy ... #Drop #Radial # ... #clinical #video ... orthopedics #msk #sports
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
and Myotomes Motor ... Pronation - C7, C8 Wrist ... Abduction - C8-T1 (ulnar ... Adduction - C7-T1 (ulnar ... drop - Occurs after
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
The first motor ... • Thus a PIN palsy ... drop: ECRB and ... ECU are lost (which ... provide central and ulnarly