159 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
Radial Nerve Wrist ... Radial Nerve Fingers ... Gluteal Nerve Knee ... MuscleGroups #MSK #Orthopedics ... #Neurology #Diagnosis
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
C6 Dorsal Thumb Wrist ... Finger Flexion ... Femoral Condyle Knee ... Ankle Dorsiflexion Knee ... differential #diagnosis #Neurology
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
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• Colles (90% "dinner ... onto outstretched hand ... variable gross wrist ... , scapholunate and ... reduction using finger
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... Examination Left hand ... #Nerve #Palsy #PhysicalExam ... clinical #video #orthopedics ... #msk #sports #neurology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral wrist ... no longer sitting ... , pain with wrist ... Disposition: Pending orthopedic ... Diagnosis #Management #Orthopedics
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
Fractures • Finger ... • Extension of wrist ... Small muscles of hand ... (finger abduction ... UpperExtremities #diagnosis #neurology
Positive J-Sign - Maltracking Patella on Knee Physical Exam

The J sign correlates with poor patellar tracking
Maltracking Patella on Knee ... patellar tracking and ... JSign #J #Sign #Knee ... #PhysicalExam # ... clinical #video #msk #orthopedics
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... , C8 (radial) Finger ... aracteristic "claw hand ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Varus Stress Test for LCL Injury on Knee Physical Exam

The knee is examined in extension and
LCL Injury on Knee ... Physical Exam The knee ... examined in extension and ... #LCL #PhysicalExam ... #sports #msk #orthopedics
Kernig's Sign in Meningitis

Kernig's sign is present if the patient, in the supine position with the
position with the hip and ... knee flexed at ... , and/or there is ... Clinical #Video #PhysicalExam ... Pediatrics #Peds #neurology