23 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
Hip Flexion L2 ... Hip Extension S1 ... Hip Abduction ... #MuscleGroups #MSK ... #Orthopedics #Neurology
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
Finger deformity caused ... joint • Ortho ... Discharge with orthpedic ... MH/CCF/CWRU EM ... #MSK
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior interosseous nerve ... Type l, DC with ortho ... II-IV, pending orthopedic ... MH/CCF/CWRU EM ... #MSK
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
the most common orthopedic ... fracture, median nerve ... Sugar tong • Ortho ... MH/CCF/CWRU EM ... #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
anterior interosseous nerve ... Posterior long arm • Ortho ... Simple, DC with ortho ... MH/CCF/CWRU EM ... #Sports #MSK
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Demyelinating Disease (MS ... Tumor • Motor Nerves ... Shellfish poisoning, Meds ... differential #diagnosis #neurology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
fracture, median nerve ... Sugar tong • Ortho ... Disposition: Pending orthopedic ... MH/CCF/CWRU EM ... #Sports #MSK
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Drop - Radial Nerve ... of the radial nerve ... sleeping as in this case ... clinical #video #orthopedics ... #msk #sports #neurology
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
dislocation, due to EDS ... Finger splint • Ortho ... Discharge with orthopedic ... MH/CCF/CWRU EM ... #MSK
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Pathology of the Hip ... Chondrodysplasia Neurologic ... Superior gluteal nerve ... pathophysiology #causes ... signs #diagnosis #msk