Sacral Plexus | Roots, Branches, & Innervation

Sacral Plexus | Roots, Branches, & Innervation

Assessment

Interactive Video

Science, Health Sciences, Biology

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial explores the sacral plexus, detailing its connection to the lumbar plexus via the lumbosacral trunk. It covers the superior and inferior gluteal nerves, their contributions, and the muscles they innervate. The posterior femoral cutaneous nerve is discussed as a sensory nerve. The sciatic nerve, its components, and their roles are explained, including the tibial and common peroneal nerves. The video also covers the nerves to quadratus femoris and obturator internus, the nerve to piriformis, and the pudendal nerve. Finally, it discusses the divisions of the sacral plexus.

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4 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the common peroneal nerve differ from the tibial nerve in terms of nerve root contributions?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the tibial nerve in relation to the hamstrings?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What muscles are innervated by the nerve to obturator internus?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Discuss the role of the pudendal nerve in the pelvic cavity.

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