Musculus flexor pollicis longus

Musculus flexor pollicis longus

Assessment

Interactive Video

Health Sciences, Biology

University - Vocational training

Hard

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The video tutorial explores the deep flexors of the forearm, focusing on the flexor pollicis longus muscle. It discusses the muscle's origin, pathways, and its role in hand and finger joint flexion. The tutorial also covers the muscle's connection to the median nerve and its specific functions, including thumb movement and wrist bending.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which muscles are located beneath the flexor digitorum superficialis in the forearm?

Brachioradialis and supinator

Extensor digitorum and extensor carpi ulnaris

Flexor pollicis longus, flexor digitorum profundus, and pronator quadratus

Flexor carpi ulnaris and flexor carpi radialis

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where does the flexor pollicis longus muscle originate?

Medial epicondyle of the humerus

Lateral epicondyle of the humerus

Anterior facies of the radius and interosseous membrane

Posterior surface of the ulna

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Through which structure does the tendon of the flexor pollicis longus pass?

Cubital tunnel

Radial tunnel

Guyon's canal

Carpal tunnel

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one of the primary functions of the flexor pollicis longus muscle?

Flexion of the thumb joints

Extension of the thumb

Pronation of the forearm

Abduction of the thumb

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In addition to thumb flexion, what other movement does the flexor pollicis longus assist with?

Ulnar deviation

Extension of the wrist

Opposition movement at the saddle joint

Supination of the forearm