5804 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, C8 (radial) Supination ... Jerk - C5, C6 • Supinator ... Dermatomes #Myotomes #diagnosis
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
- Differential Diagnosis ... (regardles of supination ... #Differential #Diagnosis
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
especially in supination ... long arm (with supination ... Radiology #XRay #Diagnosis
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
C6, C7, C8 • Supinator ... Dermatomes #Myotomes #diagnosis
Galeazzi Fracture 
Fracture of distal radial shaft with distal radial-ulnar joint disruption. Remember “MUGR” to recall
especially in supination ... long arm with supination ... Radiology #XRay #Diagnosis
Amsterdam Wrist Rules
Rules that dictate which patients require imaging based on the likelihood of wrist fracture
flexion, Painful supination ... #orthopedics #diagnosis
Webber Ankle Injury Classification

A: In a Supination-Adduction injury the fibula breaks first, with a fracture below
Classification A: In a Supination-Adduction ... B: In Supination ... #Diagnosis #Orthopedics
Bicep muscle injury - Yergason Test - 1. Position patient's elbow at 90 degrees with thumb
Have the patient supinate ... holding at wrist) #Diagnosis
Labral tear - O'Brien Test - 1. Position patient's shoulder in 90 degree flexion, elbow extended,
Repeat with arm supinated ... (thumb up) #Diagnosis
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
snuffbox, pain with supination ... Radiology #XRay #Diagnosis