22 results
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Presentations • Wrist ... Injury • Claw ... Injury • Hand ... Injury By @rev.med ... Differential #Diagnosis #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
capitate ("apple") should ... tea cup") which should ... fracture, median nerve ... injury • ED ... Orthopedics #Sports #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
bones should be ... • Due to injury ... bones should be ... box, pain with wrist ... Orthopedics #Sports #MSK
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
Innervation of Muscles Shoulder ... Shoulder Adduction ... Wrist Extension ... C6 Radial Nerve ... #MuscleGroups #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... Pronation - C7, C8 Wrist ... spared in this injury ... Carpal Tunnel Syndrome ... Anterior Shoulder
Belly Press Test for Subscapularis Injury

An alternative to the lift-off test, or when the lift-off test
Press Test for Subscapularis ... Injury An alternative ... movement of the wrist ... #Injury #shoulder ... #physicalexam #msk
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
common orthopedic injury ... variable gross wrist ... fracture, median nerve ... injury, acute carpal ... #Orthopedics #MSK
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
Anterior Shoulder ... injuries: Axillary nerve ... injury (40%, loss ... neurovascular injury ... Orthopedics #Sports #MSK
Hippocratic Shoulder Reduction 
Shoulder reduction is the process of returning the shoulder to its normal position
Hippocratic Shoulder ... Reduction Shoulder ... risk of axillary nerve ... injury. ... #Reduction #MSK
Lift Off Test (Gerber's Test) - Subscapularis Shoulder Exam

The patient places the dorsum of their hand
Gerber's Test) - Subscapularis ... Shoulder Exam ... rotates at the shoulder ... injury. ... #msk #orthopedics