8 results
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
Levels Spinal Root Sensory ... Motor Reflex C4 ... Respiration None C5 Radial ... Middle Finger Elbow ... differential #diagnosis #Neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... , T1 (median) Reflexes ... Myotomes #diagnosis #neurology ... #sensory #motor ... #arm #physicalexam
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
common elbow fracture ... capitellum (age 1), radial ... ), compartment syndrome ... Type l, DC with ortho ... #Radiology #XRay
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... • Cauda Equina Syndrome ... such as fibular fracture ... #sensory #motor ... #leg #physicalexam
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
ulnar shaft with radial ... Exam: swollen elbow ... ), compartment syndrome ... I or Ill) • Ortho ... Forearm #Ulnar #Radiology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Locked-in syndrome ... /Sensory: • Tone ... flexed at the elbow ... caseyalbin #PhysicalExam ... #neurology #comatose
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... Weakness - Lower motor ... lesion - Upper motor ... at the level of sensory ... Vertebral burst fracture
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
and/or genital sensory ... distinguishing feature ... extremity weakness and sensory ... MRI- Sagittal, axial ... diagnosis #causes #neurology