Forearm flexor muscles

Forearm flexor muscles

Assessment

Interactive Video

Health Sciences, Biology

University

Hard

Created by

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The video tutorial covers the anatomy and function of the eight forearm flexor muscles, divided into superficial, intermediate, and deep groups. It explains the origin, insertion, action, and innervation of each muscle, including the pronator teres, flexor carpi radialis, palmaris longus, and flexor carpi ulnaris. The tutorial also discusses the flexor digitorum superficialis and profundus, and the pronator quadratus. Finally, it provides a detailed look at the carpal tunnel, its contents, and its significance.

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which muscle is responsible for pronating the forearm and is pierced by the median nerve?

Pronator teres

Flexor carpi radialis

Flexor carpi ulnaris

Palmaris longus

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is unique about the palmaris longus muscle?

Not everyone has this muscle

It is innervated by the ulnar nerve

It flexes the thumb

It inserts on a bone

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which nerve innervates the flexor carpi ulnaris?

Musculocutaneous nerve

Ulnar nerve

Median nerve

Radial nerve

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary joint affected by the flexor digitorum superficialis?

Distal interphalangeal joint

Proximal interphalangeal joint

Metacarpophalangeal joint

Carpometacarpal joint

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which muscle flexes the thumb and passes through the carpal tunnel?

Flexor digitorum profundus

Flexor pollicis longus

Flexor carpi radialis

Pronator quadratus

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is unique about the innervation of the flexor digitorum profundus?

It is innervated only by the ulnar nerve

It is innervated by both the median and ulnar nerves

It is innervated only by the radial nerve

It is innervated by the musculocutaneous nerve

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which muscle is responsible for pronating the forearm and is quadrilateral in shape?

Pronator quadratus

Flexor carpi ulnaris

Flexor carpi radialis

Palmaris longus

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