16 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 ... Fingers Abduction T1 Ulnar ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
prevent radial and ulnar ... Discharge with orthopedic ... #Dislocation #IPJoint ... Radiology #XRay #Diagnosis ... #MSK
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
terminal extensor tendon ... Exam: Swollen and tender ... DIP joint that ... Radiology #XRay #Diagnosis ... #MSK
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
strength of muscle, tendon ... nerves, muscles, tendons ... #Dislocation #Diagnosis ... signs #symptoms #msk ... #orthopedics #pathophysiology
Low Ankle Sprain: Pathomechanics and Clinical Findings

Grading Ligament Sprains
l: Minimal ligament disruption, mild swelling & tenderness,
Low Ankle Sprain ... to detectable joint ... LowAnkleSprain #Sports ... #MSK #orthopedics ... Grading #Grades #Diagnosis
Greater Trochanteric Bursa Injection 

Usually roll patient on side, find the most tender spot, approximately an
find the most tender ... spot, approximately ... joint. ... #msk #orthopedics ... #hip
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
dislocated major joint ... Most common major joint ... Radiology #XRay #Diagnosis ... #Management #Orthopedics ... #Sports #MSK
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
JointHip Dysplasia ... Patellofemoral Syndrome ... Patella (e.g., Tendon ... Deformity #Limp #MSK ... #Algorithm #Orthopedics
Calf Muscle Hematoma on POCUS

50 year old male playing tennis felt a pop in his leg.
felt a pop in his ... Diagnosis: “Tennis ... tear vs Peroneus tendon ... clinical #ultrasound #msk ... #orthopedics #sports
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
blood cultures should ... an accessible joint ... all patients for HIV ... Purulent Arthritis Syndrome ... knees, wrists, ankles