36 results
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
On lateral wrist ... with the distal radius ... with the distal radius ... , triquetrum), radial ... #Orthopedics #Sports
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Scapholunate Dissociation ... box, pain with wrist ... injuries: distal radius ... #TerryThomas #Wrist ... #Orthopedics #Sports
Orthopedic Fracture Classification - Upper Limbs
Neer Classification of Proximal Humeral head Fractures:
 • 1-part
 • 2-part:
with dislocation ... displacement of the wrist ... displacement of the wrist ... with dislocation ... with concomitant dislocation
Knee Dislocation Classification: Anterior vs Posterior  #Diagnosis #EM #Ortho #Sports #Knee #Dislocation #Diagram #Classification #Anterior
Knee Dislocation ... Diagnosis #EM #Ortho #Sports ... #Knee #Dislocation
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
ulna, pain with wrist ... injuries: Perilunate dislocation ... , distal radius ... Triquetrum #Fracture #Wrist ... #Orthopedics #Sports
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... - Radial Nerve Palsy ... trauma_modern #Wrist ... #Drop #Radial # ... orthopedics #msk #sports
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow Dislocation ... , 80% of elbow dislocations ... lateral epicondyle > radial ... + radial head fracture ... #Orthopedics #Sports
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
Elbow Extension C7 Radial ... Nerve Wrist Extension ... C6 Radial Nerve ... Gluteal Nerve Knee ... Tibial Nerve Knee
Lister's tubercle aka dorsal tubercle of the distal end of the radius.  It's a bony
distal end of the radius ... dorsum of the wrist ... #Ultrasound #WristArthroscopy
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Horner Syndrome Wrist ... damage to the radial ... nerve in the radial ... Anterior Shoulder Dislocation