15 results
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
the nerve of elbow ... , wrist and digital ... the wrist and elbow ... When clinically ... Anatomy #diagnosis #neurology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
onto outstretched hand ... • Exam: tenderness ... injury • ED Management ... #Carpal #Radiology ... Orthopedics #Sports #MSK
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
onto outstretched hand ... • Exam: variable ... gross wrist deformity ... injury, acute carpal ... #Orthopedics #MSK
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... Nerve #Palsy #PhysicalExam ... #clinical #video ... #orthopedics #msk ... #sports #neurology
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
slightly extended, and ... extensors (ECU, ... #msk #orthopedics ... #clinical #video ... #physicalexam
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Exam: Swelling ... ulna, pain with wrist ... dislocation, distal radius ... fractures • ED Management ... Orthopedics #Sports #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... Pronation - C7, C8 Wrist ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
onto outstretched hand ... • Exam: Tenderness ... box, pain with wrist ... injuries: distal radius ... Orthopedics #Sports #MSK
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
normally elicits elbow ... extension and wrist ... #clinical #video ... #physicalexam # ... orthopedics #msk
Golfer’s Elbow Test

While supporting the elbow and palpating the medial epicondyle with one hand, the examiner
at the wrist and ... resists active wrist ... #clinical #video ... #physicalexam # ... orthopedics #msk