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22 Cards in this Set

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Where does the medial corticospinal tract originate?
Supplementary motor, premotor, and primary motor cerebral cortex.
What is the Function of the Medial corticospinal tract?
Control of neck, shoulder, and trunk muscles.
Where is the origin of the tectospinal tract?
Superior colliculus of midbrain
What is the function of the tectospinal tract?
Reflexive movement of head toward sounds or visual moving objects
Where is the origin of medial reticulospinal tract?
Pontine reticular formation
What is the function of the medial reticulospinal tract?
Facilitates postural muscles and limb extensors.
Where does the medial vestibulospinal tract originate?
Vestibular nuclei in medulla and pons
What is the function of the vestibulospinal tract?
Adjusts activity in neck and upper back muscles
Where does the lateral vestibulospinal tract originate?
Vestibular nuclei in medulla and pons
What is the function of the lateral vestibulospinal tract?
Ipsilaterally facilitates LMNs to extensors inhibits LMNs to flexors.
Where does the Lateral corticospinal tract originate?
Supplementary motor, premotor, and primary motor cerebral cortex.
What is the function of the lateral corticospinal tract?
Contralateral fractionation of movement, particularly of hand movements.
Where does the rubrospinal tract originate?
Red nucleus of midbrain
What is the function of the rubrospinal tract?
Facilitates contralateral upper limb flexors?
Where does the lateral reticulospinal tract originate?
Medullary reticular formation
What is the function of the reticulospinal tract?
Facilitates flexor muscle motor neurons, and inhibits extensor motor neurons
Where does the corticobulbar tract originate?
Motor cerebral cortex wehre the face, tongue, throat, and the largest muscles that move the head are represented.
What is the function of the corticobulbar?
Facilitates LMN that innervate muscles of the face, tongue, pharynx, larynx, trapezius and sternocleidomastoid.
Where does the Ceruleospinal tract originate?
Locus ceruleus in the brainstem
What is the function of the Ceruleospinal tract?
Enhances the activity of interneurons and motor neurons in the spinal cord
Where does the Raphespinal tract originate?
Raphe nucleus in the brainstem
What is the function of the raphespinal tract?
same as cerulospinal= enhances the activity of interneurons and motor neurons in the spinal cord.