80 results
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Hand Nerve Injuries ... Presentations • Wrist ... - Ulnar Nerve Injury ... Differential #Diagnosis #MSK ... #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
Wrist Extension ... Fingers Abduction T1 Ulnar ... Tibial Nerve Knee ... #MuscleGroups #MSK ... #Orthopedics #Neurology
Ulnar Fovea Sign Test for Fovea Disruption

Useful for patients with pain along the ulnar aspect of
aspect of the wrist ... in the neutral position ... The test is positive ... clinical #video #physicalexam ... #orthopedics #msk
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
onto outstretched hand ... fracture, median nerve ... Disposition: Pending orthopedic ... Diagnosis #Management #Orthopedics ... #Sports #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
with radial head dislocation ... the radial head dislocation ... posterior interosseous nerve ... DC with orthopedic ... #Proximal #MSK
Positive J-Sign - Maltracking Patella on Knee Physical Exam

The J sign correlates with poor patellar tracking
Positive J-Sign ... Maltracking Patella on Knee ... #PhysicalExam # ... clinical #video #msk ... #orthopedics #Maltracking
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
distal to distal ulna ... , pain with wrist ... injuries: Perilunate dislocation ... distal radius or ulna ... #Sports #MSK
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
slightly extended, and ... when ulnar deviation ... returns to its usual position ... #msk #orthopedics ... clinical #video #physicalexam
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... Examination Left hand ... #Palsy #PhysicalExam ... clinical #video #orthopedics ... #msk #sports #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Abduction - C8-T1 (ulnar ... "waiter's tip" position ... Anterior Shoulder Dislocation ... sensory #motor #arm #physicalexam