41 results
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
extension • ... fracture, median nerve ... #Carpal #Radiology ... #Orthopedics #Sports ... #MSK
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
and digital extension ... When clinically ... drop: ECRB and ECU ... extension) but ... diagnosis #neurology #orthopedics
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 ... Knee Extension
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... "pooping duck sign ... flexion and extension ... dislocation, distal radius ... #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... ("Terry Thomas sign ... extension • Possible ... injuries: distal radius ... #MSK
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
variable gross wrist ... fracture, median nerve ... injury, acute carpal ... injury) • ED Management ... #Orthopedics #MSK
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
The proximal carpal ... extensors (ECU, ... ECRB) The distal carpal ... #msk #orthopedics ... #clinical #video
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
Median Nerve Tension ... Neuropathy Elbow extension ... dorsiflexion/finger extension ... #video #physicalexam ... #sports #msk #orthopedics
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 ... #clinical #video ... #orthopedics #msk
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT1)

To assess for Median Nerve Peripheral Neuropathy

Shoulder abduction →
Median Nerve Tension ... forearm supination → wrist ... dorsiflexion/finger extension ... rotation → elbow extension ... #sports #msk #orthopedics