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Extensor pollicis brevis muscle

Extensor pollicis brevis muscle

Assessment

Interactive Video

Health Sciences, Biology

University - Vocational training

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

This video tutorial covers the extensor pollicis brevis muscle, one of the deep extensors of the forearm. It details the muscle's origin, insertion, and innervation by the radial nerve. The anatomical snuffbox, framed by the radius and tendons, is highlighted. The video explains the functions of deep extensors in hand and thumb movement, emphasizing the extensor pollicis brevis's role in thumb extension and abduction. The tutorial concludes by promoting Ken Hub as a resource for further anatomy learning.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the origin of the extensor pollicis brevis muscle?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the innervation of the extensor pollicis brevis muscle.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the anatomical snuffbox and its significance.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the main function of the deep extensors of the forearm?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the extensor pollicis brevis contribute to thumb movement?

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