9 results
Lachman test in ACL-deficient Knee

This patient has pathologic varus alignment across the knee and a chronic
Lachman test in ... HTO) to correct his ... #test #ACL #Knee ... Ortho #anterior #cruciate ... #ligament #msk
Posterior Cruciate Ligament (PCL) Injury: Pathogenesis and Clinical Findings
Classification of PCL Iniuries
 • Partial: Translation <
Posterior Cruciate ... , + Lachman or + ... #PCL #Injury #MSK ... #Sports #pathophysiology ... classification #diagnosis
Lachman Test for ACL Injury

The patient lies supine and with the knee in ~20-30 degrees of
Lachman Test for ... supine and with the knee ... degrees of flexion, hip ... #Anterior #Cruciate ... #physicalexam #msk
Isolated Anterior Cruciate Ligament (ACL) Injury: Pathogenesis and clinical findings
 • Feeling a "pop"
 • Acute
Isolated Anterior Cruciate ... • Pain deep in knee ... will be there + Lachman's ... #ACL #Injury #MSK ... #Sports #pathophysiology
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
- Differential Diagnosis ... Joint • Hip Dysplasia ... Legg-Calve-Perthes Disease Knee ... Tendon Rupture, Dislocation ... Deformity #Limp #MSK
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
dislocation Iatrogenic ... Valgus position of knee ... Trendelenburg #Gait #pathophysiology ... 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 ... Intra-articulation fracture - Patellar ... dislocation ... #differential #diagnosis ... #msk #physicalexam
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Posterior Knee Dislocation ... nerve injury (25%) TEST ... Check hip and ankle ... instability with lachmans ... #Injury #msk #clinical
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
commonly affects the knee ... hip and L/C-spine ... Comparison #Versus #MSK ... JointDisease #JointPain #Diagnosis ... #pathophysiology