12 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
Wrist Extension C6 ... Hip Flexion L2 ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Trendelenburg Gait ... Chondrodysplasia Neurologic ... Superior gluteal nerve ... symptoms #signs #diagnosis ... #msk
Piriformis Test (FAIR Test - Flexion, Adduction, and Internal Rotation)

Flex the hip to 90 degrees, then
Internal Rotation) Flex ... compress the sciatic nerve ... lumbar #clinical #video ... #physicalexam #msk ... #sports #orthopedics
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Cord Injury by Nerve ... C6 Dorsal Thumb ... Anterior Medial Thigh Hip ... #differential #diagnosis ... #Neurology #Spine
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, T1 (median) Reflexes ... characteristic "waiter's tip ... to the radial nerve ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
Diagnosis Framework ... cells per μL • Diagnosis ... , limb ataxia, gait ... of the abducens nerve ... #differential #diagnosis
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
lesion at the C5-C6 ... Video by Mujtaba ... #neurology #clinical ... #orthopedics #msk ... #sports #IRR #Radial
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Campylobacter jejuni - HIV ... • Weakness: Starts ... Decreased / Absent Reflexes ... Guillain-Barre Diagnosis ... management #treatment #neurology
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... include a: • Neurologic ... (CN 8) ... Noise trauma ○ MS ... #Differential #Diagnosis
Ely's Test for Rectus Femoris Tightness

Patient lies prone on the table. The examiner flexes the leg
are unable to flex ... tightness, femoral nerve ... Femoris #clinical #video ... #msk #orthopedics ... #sports