27 results
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 ... onto outstretched hand ... fracture, median nerve ... Orthopedics #Sports #MSK
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Hand Nerve Injuries ... • Wrist Drop - Radial ... Claw Hand - Ulnar ... #Anatomy #Differential ... #Diagnosis #MSK
Reduction of Patellar Dislocation 
Most patellar dislocations are lateral, and they often reduce on their own.
consider a femoral nerve ... the patient a knee ... #Procedure #MSK ... #Knee #Clinical ... #Video #PhysicalExam
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
onto outstretched hand ... lateral epicondyle > radial ... anterior interosseous nerve ... + radial head fracture ... Orthopedics #Sports #MSK
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Superior gluteal nerve ... Fracture • Hip dislocation ... Valgus position of knee ... Trendelenburg #Gait #pathophysiology ... signs #diagnosis #msk
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Nerve Palsy on ... Examination Left hand ... to compression and ... PhysicalExam #clinical ... #orthopedics #msk
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Anterior Shoulder Dislocation ... x-ray view -> Dislocation ... Structural damage to nerves ... signs #symptoms #msk ... #orthopedics #pathophysiology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
nerve in the radial ... in the median nerve ... Anterior Shoulder Dislocation ... cause axillary nerve ... sensory #motor #arm #physicalexam
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... fracture - Patellar dislocation ... Effusions #causes #differential ... #diagnosis #msk ... #physicalexam
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
ulnar shaft with radial ... head dislocation ... onto outstretched hand ... posterior interosseous nerve ... Orthopedics #Proximal #MSK