69 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Extension - C7, C8 (radial ... damage to the radial ... nerve in the radial ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
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
Respiration None C5 Radial ... Reflex L2 Anterior Medial ... Cremasteric Reflex L3 Medial ... Extension None L4 Medial ... NerveRoots #Levels #differential
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... Weakness - Differential ... involved = Peripheral lesion ... #Weakness #Differential ... #neurology #sparing
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
Medial Meniscus ... Truncation of the medial ... Differential diagnosis ... Meniscofemoral ligament ... DrvonBorstel #Medial
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
- Differential ... Sub-Cortical (Corona radiata ... Unilateral Spinal Cord Lesions ... #Hemiplegia #Neurology ... #Differential #
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop - Radial ... compression of the radial ... #Wrist #Drop #Radial ... #orthopedics #msk ... #sports #neurology
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
Causes of Peripheral ... Sensory Changes - Differential ... • Peroneal • Radial ... Weakness #Sensory #Neurology ... #Differential #
Pes Anserine Bursitis - MSK Radiology
Imaging Findings:
 • T2-hyperintense fluid-like signal along the medial aspect of
signal along the medial ... tendons and the medial ... Differential diagnosis ... found superior and medial ... between medial
Medial Collateral Ligament (MCL) Stability Test on Knee Examination

Medial Collateral Ligament stability can be tested at
Medial Collateral ... Examination Medial ... open_michigan #Medial ... Stability #Test #Knee #PhysicalExam ... video #sports #msk
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Vertigo - Differential ... oscillopsia) • Otitis Media ... Space-Occupying Lesion ... Dizziness #Vertigo #Neurology ... #Differential #