47 results
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
of wrist & MCP joint ... joint & flexion ... joint #Rock ... UpperExtremities #diagnosis ... #neurology
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
grip weakness caused ... compensates via MP joint ... clinical #video #neurology ... #physicalexam #msk ... #orthopedics #sports
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
PIP joints are ... and PIP joints ... prevent radial and ulnar ... Radiology #XRay #Diagnosis ... #Orthopedics #MSK
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Chondrodysplasia Neurologic ... joints • Decr ... pathophysiology #causes ... symptoms #signs #diagnosis ... #msk
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
joint needs to ... Finger deformity caused ... joint, maintain ... Radiology #XRay #Diagnosis ... #Orthopedics #MSK
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
Fingers Abduction T1 Ulnar ... Gluteal Nerve Hip ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Pain - Diagnostic ... Like in this case ... - parvovirus, HIV ... #Joint #Pain #MSK ... #differential #diagnosis
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... Polyarticular Join ... rash) • Primary HIV ... Infectious #JointPain #MSK ... #Orthopedics #Causes
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
Inflammatory Joint ... affects the knee hip ... > Stiffness is short-lived ... Comparison #Versus #MSK ... JointDisease #JointPain #Diagnosis
Causes of Polyneuropathy - Differential Diagnosis Algorithm
 • Metabolic: DM, Hypothyroidism, CKD, Cirrhosis, Nutritional deficiency
 •
Causes of Polyneuropathy ... - Differential Diagnosis ... - Infectious: HIV ... Mitochondrial issues - VA Joint ... #neurology