18 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
Extension S1 Inferior ... Gluteal Nerve Knee ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
femoral head onto anterior ... weight-bear • Arthritic ... FemoralHead #Fractures #msk ... #diagnosis #pathophysiology ... signs #symptoms #orthopedics
Hip Arthrocentesis on POCUS
Septic patient with hip pain, why wait for IR? 
Instead perform #POCUS guided
Hip Arthrocentesis ... to expedite diagnosis ... and OR IUEM Ultrasound ... POCUS #clinical #ultrasound ... #msk
Ultrasound guided arthrocentesis (knee) with a resident.  Same principles apply for all ultrasound guided procedures.
arthrocentesis ... (knee) with a resident ... on the needle tip ... #Arthrocentesis ... #MSK
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential Diagnosis ... Effusions - Septic Arthritis ... Brucellosis - Viruses: HIV ... #differential #diagnosis ... #msk #physicalexam
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... Arthrocentesis ... Inflammatory arthritis ... analysis: • MSU ... Interpretation #diagnosis
Septic Arthritis - Diagnosis and Management Summary
Clinical Exam: hot, swollen, pain with passive AND active ROM
- Diagnosis and ... Workup: arthrocentesis ... diagnosis Treatment ... parenteral Abx, Orthopedics ... Ceftriaxone • HIV
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Arthritis ... • Congenital hip ... Valgus position of knee ... symptoms #signs #diagnosis ... #msk
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
- Differential Diagnosis ... Joint • Hip Dysplasia ... Legg-Calve-Perthes Disease Knee ... Deformity #Limp #MSK ... #Algorithm #Orthopedics
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
- Differential Diagnosis ... Myalgia • Viral Arthritis ... rash) • Primary HIV ... Infectious #JointPain #MSK ... #Algorithm #Orthopedics