#1
Which muscle is primarily responsible for extending the elbow?
Triceps brachii
ExplanationTriceps brachii primarily extends the elbow.
#2
Which muscle is located on the anterior side of the upper arm?
Biceps brachii
ExplanationBiceps brachii is located on the anterior side of the upper arm.
#3
Which muscle is commonly referred to as the "boxer's muscle"?
Brachioradialis
ExplanationBrachioradialis is commonly referred to as the "boxer's muscle".
#4
Which muscle is located on the posterior side of the upper arm?
Triceps brachii
ExplanationTriceps 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
ExplanationBrachioradialis 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
ExplanationLatissimus 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
ExplanationDeltoid 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
ExplanationSubscapularis 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
ExplanationBrachialis 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
ExplanationSupraspinatus 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
ExplanationAnconeus 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
ExplanationCoracobrachialis 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
ExplanationPectoralis 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
ExplanationTriceps brachii is involved in both elbow extension and abduction of the arm at the shoulder joint.