11 results
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Presentations • Wrist ... Drop - Radial Nerve ... • Claw Hand - Ulnar ... #Differential # ... Orthopedics
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
C7 Radial Nerve ... Wrist Extension ... C6 Radial Nerve ... #MuscleGroups #MSK ... #Orthopedics #Neurology
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... and digital extension ... #Nerve #Anatomy ... #diagnosis #neurology ... #orthopedics
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
extension • ... fracture, median nerve ... #Carpal #Radiology ... #Orthopedics #Sports ... #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
, pain with wrist ... flexion and extension ... dislocation, distal radius ... or ulna fractures ... #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Abduction - C8-T1 (ulnar ... nerve in the radial ... Carpal Tunnel Syndrome ... Myotomes #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 ... injury) • ED Management ... #Orthopedics #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Tenderness to anatomic ... box, pain with wrist ... extension • Possible ... injuries: distal radius ... #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
Cord Injury by Nerve ... Respiration None C5 Radial ... C6 Dorsal Thumb Wrist ... Flexion None T1 Ulnar ... #diagnosis #Neurology
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
Median Nerve Anatomy ... finger through the Ulnar ... • Carpal tunnel ... #Anatomy #diagnosis ... #neurology #orthopedics