4 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Reflexes: • Knee ... • Cauda Equina Syndrome ... - Low back pain ... Commonly caused ... fracture or prolonged compression
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
stenosis/nerve compression ... Herpes zoster - HIV ... cyanosis - Cool extremity ... diagnosis #lower #extremity ... #msk #physicalexam
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... Fever/Chills/Joint pain ... Ligamentous injuries - Meniscal ... differential #diagnosis #msk ... #physicalexam
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
DISLOCATION: ~25% cases ... Check hip and ankle ... special ligament/meniscus ... -->>>> LINK TO ACL ... Posterior #Injury #msk