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Anatomy and Function of Muscles Quiz

#1

Which muscle is responsible for flexing the forearm?

Biceps brachii
Explanation

Primary flexor of the forearm.

#2

What is the main function of the gluteus maximus muscle?

Extension of the hip
Explanation

Primary extensor of the hip joint.

#3

What muscle is responsible for dorsiflexion of the foot?

Tibialis anterior
Explanation

Primary muscle for dorsiflexion.

#4

Which muscle is responsible for pronation of the forearm?

Pronator teres
Explanation

Primary muscle for pronation.

#5

Which muscle is responsible for extending the knee?

Rectus femoris
Explanation

Involved in knee extension.

#6

What muscle is responsible for adducting the thumb?

Abductor pollicis longus
Explanation

Primary muscle for thumb adduction.

#7

Which muscle is responsible for plantar flexion of the foot?

Gastrocnemius
Explanation

Primary muscle for pointing the foot downward.

#8

Which muscle is known as the 'prime mover' in elbow flexion?

Brachialis
Explanation

Primary flexor of the elbow.

#9

What muscle is primarily responsible for adducting the shoulder?

Pectoralis major
Explanation

Main muscle for shoulder adduction.

#10

Which muscle assists in elevating the ribs during inspiration?

Internal intercostals
Explanation

Involved in raising ribs during breathing.

#11

Which muscle is not part of the hamstring group?

Rectus femoris
Explanation

Not a hamstring muscle.

#12

What muscle is involved in abduction of the arm beyond 90 degrees?

Deltoid
Explanation

Primary muscle for arm abduction.

#13

Which muscle is located in the posterior compartment of the forearm?

Extensor digitorum
Explanation

Found in the posterior forearm compartment.

#14

What muscle is primarily responsible for extension of the elbow?

Triceps brachii
Explanation

Main muscle for extending the elbow.

#15

Which muscle is not a part of the rotator cuff?

Teres major
Explanation

Not a component of the rotator cuff muscles.

#16

What muscle is primarily responsible for protraction of the scapula?

Serratus anterior
Explanation

Main muscle for scapular protraction.

#17

Which muscle assists in both flexion and abduction of the shoulder?

Coracobrachialis
Explanation

Involved in both shoulder flexion and abduction.

#18

Which muscle assists in both flexion and supination of the forearm?

Brachialis
Explanation

Involved in both forearm flexion and supination.

#19

Which muscle assists in both adduction and extension of the hip?

Adductor longus
Explanation

Involved in both hip adduction and extension.

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