17 results
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
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FracturesFinger ... • Extension of wrist ... muscles of hand ... UpperExtremities #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
Wrist Extension ... T1 Ulnar Nerve ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
, pain with wrist ... Management: Pain ... #Wrist #Carpal ... Radiology #XRay #Diagnosis ... #Sports #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
ulnar shaft with ... posterior interosseous nerve ... • If stable ... Radiology #XRay #Diagnosis ... #Proximal #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
no longer sitting ... onto outstretched hand ... , median nerve injury ... Radiology #XRay #Diagnosis ... #Sports #MSK
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
of a fracture does ... joint needs to be clinically ... Radiology #XRay #Diagnosis ... #Management #Hand ... #Orthopedics #MSK
Froment's Sign - Ulnar Nerve Injury

Patients with compromise of the ulnar nerve will not be able
be able to cross ... third fingers, or ... #Hand #PhysicalExam ... #clinical #video ... #sports #msk #orthopedics
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... , C8 (radial) Finger ... aracteristic "claw hand ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
and PIP joints ... ulnar displacernent ... Radiology #XRay #Diagnosis ... #Management #Hand ... #Orthopedics #MSK
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
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onto outstretched hand ... variable gross wrist ... , median nerve injury ... reduction using finger ... #MSK