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Muscles Involved in Arm Movement Quiz

#1

Which muscle is primarily responsible for extending the elbow?

Triceps brachii
Explanation

Triceps brachii primarily extends the elbow.

#2

Which muscle is located on the anterior side of the upper arm?

Biceps brachii
Explanation

Biceps brachii is located on the anterior side of the upper arm.

#3

Which muscle is commonly referred to as the "boxer's muscle"?

Brachioradialis
Explanation

Brachioradialis is commonly referred to as the "boxer's muscle".

#4

Which muscle is located on the posterior side of the upper arm?

Triceps brachii
Explanation

Triceps brachii is located on the posterior side of the upper arm.

#5

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

Brachioradialis
Explanation

Brachioradialis assists in elbow flexion and supination of the forearm.

#6

Which muscle is responsible for adduction of the arm at the shoulder joint?

Latissimus dorsi
Explanation

Latissimus dorsi is responsible for adduction of the arm at the shoulder joint.

#7

Which muscle is responsible for abduction of the arm at the shoulder joint?

Deltoid
Explanation

Deltoid is responsible for abduction of the arm at the shoulder joint.

#8

Which muscle is involved in both flexion and medial rotation of the shoulder joint?

Subscapularis
Explanation

Subscapularis is involved in both flexion and medial rotation of the shoulder joint.

#9

Which muscle is located deep to the biceps brachii and assists in elbow flexion?

Brachialis
Explanation

Brachialis is located deep to the biceps brachii and assists in elbow flexion.

#10

Which muscle is involved in stabilizing the shoulder joint during arm movements?

Supraspinatus
Explanation

Supraspinatus is involved in stabilizing the shoulder joint during arm movements.

#11

Which muscle assists in elbow extension and adduction of the arm at the shoulder joint?

Anconeus
Explanation

Anconeus assists in elbow extension and adduction of the arm at the shoulder joint.

#12

Which muscle is involved in both elbow flexion and adduction of the arm at the shoulder joint?

Coracobrachialis
Explanation

Coracobrachialis is involved in both elbow flexion and adduction of the arm at the shoulder joint.

#13

Which muscle is primarily responsible for shoulder adduction?

Pectoralis major
Explanation

Pectoralis major is primarily responsible for shoulder adduction.

#14

Which muscle is involved in both elbow extension and abduction of the arm at the shoulder joint?

Triceps brachii
Explanation

Triceps brachii is involved in both elbow extension and abduction of the arm at the shoulder joint.

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