Other Motor Tracts [Part 1] | Reticulospinal & Vestibuospinal Tracts

Other Motor Tracts [Part 1] | Reticulospinal & Vestibuospinal Tracts

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Science, Health Sciences, Biology

University

Hard

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The video tutorial discusses four descending motor pathways: reticulospinal, vestibulospinal, rubrospinal, and tectospinal tracts. It focuses on the reticulospinal and vestibulospinal tracts, explaining their origins, functions, and roles in muscle control. The reticulospinal tract, originating from the reticular formation, has medial and lateral parts that facilitate and inhibit voluntary movements, respectively. It plays a role in walking and anticipatory postural adjustments. The vestibulospinal tract, originating from the vestibular nucleus, helps maintain balance and posture by controlling anti-gravity muscles. Both tracts innervate ipsilateral skeletal muscles.

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3 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the stepping pattern generator in walking?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Discuss the importance of anticipatory postural adjustments (APAs) in movement.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

How do the medial and lateral portions of the vestibulospinal tract differ in their functions?

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