Spinal Tracts Flashcards
Spinoreticular tract
Sensory
Levels of consciousness
Reticular formation
Anterior spinocerebellar tract
Sensory
Trunk UE and LE extremities
Ipsilateral subconscious proprioception, muscle tension, jt sense, posture
Crossing and recrossing at the pos to cerebellum
Spine-olivary tract
Sensory
Cuneatous and proprioceptive organs
To cerebellum
Vestibulospinal tract
Extrapyramidal motor
Ipsilateral postural adjustments BEFORE head movements
Inhibits flexors and facilitates extensors
Lateral corticospinal tract
Pyramidal motor
Contralateral voluntary fine movements
Rubrospinal tract
Extrapyramidal motor tract
Gross postural tone, facilitates flexors, inhibits extensors
Tectospinal tract
Extrapyramidal motor
Contralateral muscle tone based on visual & auditory stimuli
Lateral spinothalamic tract
Sensory
Pain and temperature
Anterior spinothalamic tract
Sensory
Light touch and pressure
Reticulospinal tract
Extrapyramidal motor
Alpha and gamma motor neurons
Facilitation/inhibition of voluntary & reflex activity
Spinotectal tract
Sensory
Head and eyes
Spinovisual reflexes and movement of eyes and head toward a stimulus
Anterior corticospinal tract
Pyramidal motor
Ipsilateral voluntary movements
Posterior fasciulus cuneatus
Sensory
Trunk, neck, and UEs
Proprioception, vibration, 2 pt discrimination, graphesthesia
Posterior spinocerebellar tract
Sensory
Trunk and LEs
Ipsilateral subconscious proprioception, muscle tension, jt sense, posture
To cerebellum
Posterior fasciculus gracilis
Sensory
Trunk and LEs
Proprioception, vibration, 2 pt discrimination, graphesthesia