13 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 ... None T7-T12 See Dermatomes ... L3 Medial Femoral ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... Medical Emergency ... nerve at fibular neck ... #Myotomes #diagnosis ... #neurology #sensory
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... ) Reflexes: ... #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
which brings the sensory ... fibres (C8 sensory ... and thumb do not flex ... Nerve #Anatomy #diagnosis ... #neurology #orthopedics
Radiculopathy: Signs and Symptoms
 • Back/Neck Pain
 • Decr Range of motion
 • Abnormal posturing
 •
Symptoms • Back/Neck ... • Decr tendon reflexes ... in nerve root's dermatome ... Radiculopathy #MSK ... #diagnosis #signs
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
rarely follow dermatomal ... • Before diagnosis ... gait, strength, reflexes ... MeralgiaParesthetica #MSK ... pathophysiology #differential
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
Median Nerve Tension ... shoulder abduction → neck ... clinical #video #physicalexam ... #sports #msk #orthopedics ... #neurology #ULNT
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 ... Diagnosis: • ... region (S2-S4 dermatomes ... #diagnosis #causes ... #neurology
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT1)

To assess for Median Nerve Peripheral Neuropathy

Shoulder abduction →
Median Nerve Tension ... elbow extension → neck ... clinical #video #physicalexam ... #sports #msk #orthopedics ... #neurology #ULNT
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Sensory loss below ... bladder and rectal reflex ... Injury #Syndromes #diagnosis ... signs #symptoms #msk ... #orthopedics #neurology