5 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
L5 Superior Gluteal ... Tibial Nerve Knee ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Trendelenburg Test for Hip Stability

The Trendelenburg test assesses for hip stability
The examiner sits behind the patient
Trendelenburg Test ... thumbs in the posterior ... flexed at the knee ... video #sports #msk ... #orthopedics
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 ... rotation and varus stress ... #Injury #msk #clinical
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Diagnosis Algorithm ... Legg-Calve-Perthes Disease Knee ... Deformity #Limp #MSK ... #Differential # ... #Orthopedics #Causes
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... Diagnosis Framework ... Noise trauma ○ MS ... zoster virus ○ HIV ... #Diagnosis #otology