37 results
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Hand Nerve Injuries ... Presentations • Wrist ... InjuryHand ... Injuries #Anatomy #Differential ... #Diagnosis #MSK
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
Common Hand Fractures ... X-Ray Mallet finger ... XRay #Radiology #Wrist ... #differential # ... diagnosis
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
Fractures • Extension ... of wrist & MCP ... Small muscles of hand ... #Injury #UpperExtremities ... #diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, C8 (radial) Finger ... " ± Horner Syndrome ... spared in this injury ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
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 ... C6 Dorsal Thumb Wrist ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Elson's Test - Extensor Digitorum Finger Examination

Elson's test evaluates for partial or complete tear of the
Digitorum Finger ... partial or complete tear ... #Hand #PhysicalExam ... #clinical #video ... #sports #msk #orthopedics
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
extension • ... fracture, median nerve ... injury • ED ... Radiology #XRay #Diagnosis ... Orthopedics #Sports #MSK
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
forearm supination → wrist ... dorsiflexion/finger ... ULTT2 #clinical #video ... #physicalexam # ... sports #msk #orthopedics
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
Extension Maneuver ... palsy with finger ... both supination and ... Drop #clinical #video ... #physicalexam #
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
variable gross wrist ... fracture, median nerve ... tunnel syndrome ... Radiology #XRay #Diagnosis ... #Orthopedics #MSK