16 results
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Presentations • Wrist ... Drop - Radial Nerve ... - Ulnar Nerve Injury ... #Anatomy #Differential ... #Diagnosis #MSK
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... the nerve of elbow ... the wrist and elbow ... #Nerve #Anatomy ... #diagnosis #neurology
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 ... Fingers Abduction T1 Ulnar ... #MuscleGroups #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... aracteristic "claw hand ... nerve in the radial ... Anterior Shoulder Dislocation ... Dermatomes #Myotomes #diagnosis
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Named based on anatomic ... anterior interosseous nerve ... + radial head fracture ... Radiology #XRay #Diagnosis ... Orthopedics #Sports #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
onto outstretched hand ... Exam: swollen elbow ... posterior interosseous nerve ... ), compartment syndrome ... Radiology #XRay #Diagnosis
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
with the distal radius ... with the distal radius ... fracture, median nerve ... Radiology #XRay #Diagnosis ... Orthopedics #Sports #MSK
Cubital Tunnel Syndrome: Pathogenesis and clinical findings

 • Paresthesia of 5th and medial half of 4th
Cubital Tunnel Syndrome ... hand and elbow ... flexion test ... #Diagnosis #pathophysiology ... signs #symptoms #msk
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... onto outstretched hand ... Tenderness to anatomic ... injuries: distal radius ... Orthopedics #Sports #MSK
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
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variable gross wrist ... fracture, median nerve ... carpal tunnel syndrome ... Radiology #XRay #Diagnosis ... #Orthopedics #MSK