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Muscles of the Upper Limb Quiz

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Which muscle is responsible for flexing the forearm?

Brachialis

Explanation

Primary flexor of the forearm.

Which muscle is not part of the rotator cuff?

Teres major

Explanation

Not a member of the rotator cuff.

Which muscle is responsible for extension of the forearm?

Triceps brachii

Explanation

Primary extensor of the forearm.

Which muscle is involved in adducting the arm?

Latissimus dorsi

Explanation

Major muscle for arm adduction.

Which muscle is located on the anterior aspect of the forearm and aids in flexion of the wrist?

Flexor digitorum superficialis

Explanation

Anterior forearm muscle aiding in wrist flexion.

Which muscle is responsible for abducting the arm from 15 to 90 degrees?

Deltoid

Explanation

Primary muscle for arm abduction in this range.

Which muscle is responsible for flexion of the elbow and supination of the forearm?

Brachioradialis

Explanation

Forearm flexion and supination muscle.

Which muscle is responsible for abduction of the thumb?

Abductor pollicis longus

Explanation

Main muscle for thumb abduction.

Which muscle is responsible for pronation of the forearm?

Pronator teres

Explanation

Main muscle for forearm pronation.

#10

Which muscle is the prime mover for shoulder abduction beyond 90 degrees?

Deltoid

Explanation

Main muscle for shoulder abduction beyond 90 degrees.

#11

Which muscle is responsible for adduction of the shoulder when the arm is raised above 90 degrees?

Latissimus dorsi

Explanation

Shoulder adduction with arm raised above 90 degrees.

#12

Which muscle assists in stabilizing the shoulder joint during movements like overhead lifting?

Supraspinatus

Explanation

Shoulder stabilizer during overhead movements.

#13

Which muscle is responsible for flexion of the metacarpophalangeal joints of the index, middle, and ring fingers?

Flexor digitorum superficialis

Explanation

Flexes metacarpophalangeal joints of several fingers.

#14

Which muscle is responsible for extending the wrist and fingers, as well as adducting the wrist?

Extensor carpi ulnaris

Explanation

Extends wrist and fingers, adducts wrist.

#15

Which muscle is responsible for flexion of the metacarpophalangeal joint and extension of the interphalangeal joints of the thumb?

Flexor pollicis longus

Explanation

Flexes metacarpophalangeal joint, extends interphalangeal joints of thumb.

Muscles of the Upper Limb Quiz

Which muscle is responsible for flexing the forearm?

Which muscle is not part of the rotator cuff?

Which muscle is responsible for extension of the forearm?

Which muscle is involved in adducting the arm?

Which muscle is located on the anterior aspect of the forearm and aids in flexion of the wrist?

Which muscle is responsible for abducting the arm from 15 to 90 degrees?

Which muscle is responsible for flexion of the elbow and supination of the forearm?

Which muscle is responsible for abduction of the thumb?

Which muscle is responsible for pronation of the forearm?

Which muscle is the prime mover for shoulder abduction beyond 90 degrees?

Which muscle is responsible for adduction of the shoulder when the arm is raised above 90 degrees?

Which muscle assists in stabilizing the shoulder joint during movements like overhead lifting?

Which muscle is responsible for flexion of the metacarpophalangeal joints of the index, middle, and ring fingers?

Which muscle is responsible for extending the wrist and fingers, as well as adducting the wrist?

Which muscle is responsible for flexion of the metacarpophalangeal joint and extension of the interphalangeal joints of the thumb?

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