15 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
Axillary Nerve Shoulder ... Radial Nerve Wrist ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
all carpal bones should ... "Terry Thomas" sign ... onto outstretched hand ... Scaphoid #Carpal #Radiology ... Orthopedics #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
tea cup") which should ... onto outstretched hand ... #Carpal #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... "pooping duck sign ... #Carpal #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #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 ... with associated signs ... Fracture #WristXRay #Radiology ... #MSK #Orthopedics
Diagram of different types of bone tumors that can occur around the knee on XRay -
sequestrum, cloaca, and ... blade of grass sign ... #Bone #Tumors #Diagnosis ... #Differential #Radiology ... #XRay #msk #lesions
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... Anterior Shoulder ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Galeazzi Fracture 
Fracture of distal radial shaft with distal radial-ulnar joint disruption. Remember “MUGR” to recall
will be obvious; signs ... onto outstretched hand ... Radial #Distal #Radiology ... #XRay #Diagnosis ... #Orthopedics #MSK
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
occur around the knee ... blade of grass sign ... #Differential #Diagnosis ... #Radiology #XRay ... #MSK #pediatrics
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Radiology Imaging ... NO prior signs ... Therefore, the hand ... • This case should ... #diagnosis #msk