9 results
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
Axillary Nerve Shoulder ... Gluteal Nerve Knee ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Orthopedic Dislocations (Shoulder, Elbow and Hip) - Diagnosis and Management Summary
Shoulder Dislocation
 • Fall on the
Orthopedic Dislocations ... and Hip) - Diagnosis ... Hip Dislocation ... knee are flexed ... #Hip #Diagnosis
Reduction of Patellar Dislocation 
Most patellar dislocations are lateral, and they often reduce on their own.
or recline with hips ... crutches - they should ... #Procedure #MSK ... #Knee #Clinical ... #Video #PhysicalExam
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Chondrodysplasia Neurologic ... dislocation Iatrogenic ... Valgus position of knee ... symptoms #signs #diagnosis ... #msk
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential Diagnosis ... Brucellosis - Viruses: HIV ... fracture - Patellar dislocation ... #differential #diagnosis ... #msk #physicalexam
Extreme Patellofemoral Joint Instability (PFJI)

In this video you can see an extreme rare case of bilateral
acute patellar dislocations ... 4️⃣core, and hip ... Clinical #Video #PhysicalExam ... #Sports #Orthopedics ... #Knee #msk
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
- Differential Diagnosis ... Legg-Calve-Perthes Disease Knee ... Tendon Rupture, Dislocation ... Deformity #Limp #MSK ... #Algorithm #Orthopedics
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... Dislocation - May ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Posterior Knee Dislocation ... Neurologic deficit ... Check hip and ankle ... trauma/vascular/orthopedic ... #Injury #msk #clinical