42 results
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
Innervation of Muscles Shoulder ... Axillary Nerve Shoulder ... Radial Nerve Wrist ... MuscleGroups #MSK #Orthopedics ... #Neurology #Diagnosis
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
capitate ("apple") should ... tea cup") which should ... onto outstretched hand ... #Carpal #Radiology ... #XRay #Diagnosis
Arthritis of the Hand - Arthritis Patterns

Osteoarthritis:
• Osteoarthritis of the hand usually involves the DIP and
and PIP joints, ... MCP and PIP joints ... + Wrist = RA • ... Hemochromatosis • Wrist ... #diagnosis #rheumatology
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
all carpal bones should ... Thomas" sign to diagnosis ... onto outstretched hand ... box, pain with wrist ... #XRay #Diagnosis
Orthopedic Dislocations (Shoulder, Elbow and Hip) - Diagnosis and Management Summary
Shoulder Dislocation
 • Fall on the
Orthopedic Dislocations ... and Hip) - Diagnosis ... the out stretch hand ... Affected hip and ... #Elbow #Hip #Diagnosis
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
onto outstretched hand ... dorsum of the hand ... ulna, pain with wrist ... #Carpal #Radiology ... #XRay #Diagnosis
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
Discharge with orthpedic ... Mallet #Finger #Radiology ... #XRay #Diagnosis ... #Management #Hand ... #Orthopedics #MSK
Hamate Fracture on Wrist X-Ray

- point tenderness over the hamate should raise suspicion for a fracture,
Hamate Fracture on Wrist ... over the hamate should ... negative a CT should ... Fracture #WristXRay #Radiology ... #MSK #Orthopedics
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
onto outstretched hand ... variable gross wrist ... , scapholunate and ... Colles #Distal #Radiology ... #XRay #Diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... aracteristic "claw hand ... Anterior Shoulder ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam