12 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
spared in this injury ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm ... #physicalexam
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
bones should be ... "Terry Thomas" sign ... • Due to injury ... bones should be ... Orthopedics #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
tea cup") which should ... fracture, median nerve ... injury • ED ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
OK Sign - Interosseous Nerve Injury

Patients with compromise of anterior interosseous nerve will not be able
Nerve Injury ... are seen in this ... #Injury #Finger ... #Hand #PhysicalExam ... #sports #msk #orthopedics
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 ... tunnel syndrome ... #Orthopedics #MSK
Hippocratic Shoulder Reduction 
Shoulder reduction is the process of returning the shoulder to its normal position
The arm should be ... risk of axillary nerve ... injury. ... #Reduction #MSK ... #PhysicalExam #
Positive Drop Arm Test on Shoulder Exam - Supraspinatus Injury

Starting from 90 degrees of passive shoulder
Supraspinatus Injury ... supraspinatus injury ... #Sign #Shoulder ... #PhysicalExam # ... supraspinatus #clinical #video
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... • Sciatica • Tarsal ... tunnel syndrome ... lower #extremity #msk ... #physicalexam
Scoliosis: Pathogenesis and clinical findings (Cobb Angle > 10 Degrees)

 • Incr Axial rotation of thoracic
Iliac Crests, Shoulders ... Apparent Leg and/or Arm ... -> Spinal nerve ... pathophysiology #msk ... #diagnosis #signs
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
through a fibrous tunnel ... ECU Subluxation diagnosed ... subluxation #clinical #physicalexam ... #video #Orthopedics ... #Wrist #msk