3 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... , C8 (radial) Finger ... "claw hand" ± Horner ... spared in this injury ... #Myotomes #diagnosis
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
caused by disruption ... : Hyperflexion injury ... #Radiology #XRay ... #Diagnosis #Management ... #MSK
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Psoriasis - Elbows, knees ... telangiectatic border ... honey-colored crusts ... site of previous injury ... #differential #diagnosis