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Muscles of the Upper Body Quiz

#1

Which muscle is responsible for flexing the elbow?

Biceps brachii
Explanation

Primary elbow flexor.

#2

Which muscle forms the anterior border of the axilla?

Pectoralis major
Explanation

Forms the anterior axillary border.

#3

Which muscle is located superficially in the posterior aspect of the forearm?

Brachioradialis
Explanation

Superficial in the posterior forearm.

#4

Which muscle is not part of the intrinsic muscles of the hand?

Palmaris longus
Explanation

Not intrinsic to the hand muscles.

#5

Which muscle is located on the anterior aspect of the forearm and is a primary flexor of the wrist?

Flexor carpi radialis
Explanation

Primary wrist flexor on the anterior forearm.

#6

Which muscle is located in the posterior compartment of the thigh and is a primary extensor of the hip?

Gluteus maximus
Explanation

Primary hip extensor in the posterior thigh compartment.

#7

Which muscle is not part of the rotator cuff?

Teres major
Explanation

Not part of the rotator cuff muscles.

#8

Which muscle is responsible for adducting the arm?

Pectoralis major
Explanation

Main arm adductor.

#9

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

Triceps brachii
Explanation

Main muscle for elbow extension.

#10

Which muscle helps in depression of the shoulder girdle?

Trapezius
Explanation

Aids in shoulder girdle depression.

#11

Which muscle is responsible for inward rotation of the arm?

Teres minor
Explanation

Performs arm inward rotation.

#12

Which muscle is the antagonist to the biceps brachii?

Triceps brachii
Explanation

Antagonizes biceps brachii.

#13

Which muscle assists in both shoulder abduction and flexion?

Deltoid
Explanation

Involved in shoulder abduction and flexion.

#14

Which muscle is primarily responsible for protraction of the scapula?

Pectoralis minor
Explanation

Mainly protracts the scapula.

#15

Which muscle is involved in both flexion and abduction of the shoulder?

Deltoid
Explanation

Involved in shoulder flexion and abduction.

#16

Which muscle is responsible for rotating the scapula during arm abduction?

Serratus anterior
Explanation

Rotates scapula during arm abduction.

#17

Which muscle forms the lateral border of the popliteal fossa?

Biceps femoris
Explanation

Forms the lateral popliteal fossa border.

#18

Which muscle is responsible for flexing the knee and is the primary muscle in kicking?

Biceps femoris
Explanation

Primary knee flexor and main kicking muscle.

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