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Spinal Tracts Made Simple. Info based on O'Sullivan 2008 pg83

Ascending Fiber System

Sensory Pathways; Transmits to the Brain

Dorsal Columns/Medial Lemniscal Tracts

Proprioception, Vibration, Tactile Discrimination.

Fasciculus Cuneatus

A division of the Dorsal Columns System specifically dealing with the UPPER EXTREMITY

Fasciculus Gracilis

A division of the Dorsal Columns System specifically dealing with the LOWER EXTREMITY

Spinothalamic Tracts

Pain, Temperature, & Crude Touch

Spinocerebellar Tracts

Controls Fine Motor, Balance, & Tone (Golgi Tendons)-Ascending Tracts

Spinoreticular Tracts

Chronic Pain-Ascending Tracts

Descending Fiber System

Motor Pathways; Transmits from the Brain to the Periphery

Corticospinal Tracts

Motor; Important for Voluntary Motor Control; Motor Cortex

Vestibulospinal Tracts

Controls Fine Motor, Balance (Postural Reflexes), & Tone-Descending Tracts

Rubrospinal Tracts

Assists in Motor Function

Reticulospinal Tracts

Chronic Pain-Descending Tracts

Tectospinal Tracts

Assists in Head Turning Responses in Response to Visual Stimuli

Anterior Spinothalamic Tracts

Dull Aching Pain

Lateral Spinothalamic Tracts

Discriminative Fast Pain

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