12 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
Cord Injury by Nerve ... Middle Finger Elbow ... None T7-T12 See Dermatomes ... #differential #diagnosis ... #Neurology #Spine
Radiculopathy: Signs and Symptoms
 • Back/Neck Pain
 • Decr Range of motion
 • Abnormal posturing
 •
• Decr tendon reflexes ... root's dermatome ... Radiculopathy #MSK ... #diagnosis #signs ... #symptoms #pathophysiology
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
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
Test (Upper-Limb ... Neuropathy Elbow ... clinical #video #physicalexam ... #sports #msk #orthopedics ... #neurology #ULNT
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT1)

To assess for Median Nerve Peripheral Neuropathy

Shoulder abduction →
Test (Upper-Limb ... external rotation → elbow ... clinical #video #physicalexam ... #sports #msk #orthopedics ... #neurology #ULNT
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
rarely follow dermatomal ... gait, strength, reflexes ... Straight Leg Raise Test ... MeralgiaParesthetica #MSK ... #pathophysiology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... damage to peroneal nerve ... #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Mutism Pathophysiology ... threat Cranial Nerves ... flexed at the elbow ... caseyalbin #PhysicalExam ... #neurology #comatose
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
Inverted Supinator Test ... normally elicits elbow ... #Reflex #neurology ... clinical #video #physicalexam ... #orthopedics #msk
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... region (S2-S4 dermatomes ... • Provocative Tests ... absent anal wink test ... #causes #neurology