23 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, T1 (median) Reflexes ... aracteristic "claw hand ... nerve in the radial ... spared in this injury ... Carpal Tunnel Syndrome
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
- Radial Nerve Palsy ... Examination Left hand ... Nerve #Palsy #PhysicalExam ... #clinical #video ... #orthopedics #msk
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Spinal Cord Injury ... by Nerve Root Levels ... Respiration None C5 Radial ... C6 Dorsal Thumb Wrist ... differential #diagnosis #Neurology
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
, wrist and digital ... the wrist and elbow ... nerve injury ... nerve injury ... #diagnosis #neurology
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
Fractures • Finger ... • Extension of wrist ... Small muscles of hand ... #Injury #UpperExtremities ... #diagnosis #neurology
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
variable gross wrist ... fracture, median nerve ... injury, acute carpal ... reduction using finger ... #Orthopedics #MSK
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
Nerve Palsy as ... nerve palsy with ... finger/wrist drop ... nerve palsy. ... #Nerve #Palsy #
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
no longer sitting ... onto outstretched hand ... fracture, median nerve ... injury • ED ... Orthopedics #Sports #MSK
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
the nerve of pre-axial ... little finger through ... (AIN) palsy leaves ... flex. ... Anatomy #diagnosis #neurology
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
extension and wrist ... consisting of finger ... Video by Mujtaba ... #neurology #clinical ... #orthopedics #msk