#1
Which muscle is responsible for flexing the forearm?
Biceps brachii
ExplanationBiceps brachii flexes the forearm by contracting.
#2
Which muscle is primarily responsible for abduction of the arm?
Deltoid
ExplanationDeltoid is the primary muscle responsible for arm abduction.
#3
Which muscle is responsible for extension of the elbow joint?
Triceps brachii
ExplanationTriceps brachii is responsible for extending the elbow joint.
#4
Which muscle is the primary flexor of the wrist?
Flexor carpi radialis
ExplanationFlexor carpi radialis is the primary muscle for wrist flexion.
#5
Which muscle is primarily responsible for adduction of the arm?
Teres major
ExplanationTeres major is primarily responsible for arm adduction.
#6
Which muscle is involved in both flexion and supination of the forearm?
Brachialis
ExplanationBrachialis is involved in both flexion and supination of the forearm.
#7
Which muscle is responsible for adduction and medial rotation of the arm?
Pectoralis major
ExplanationPectoralis major performs adduction and medial rotation of the arm.
#8
Which muscle is responsible for opposition of the thumb?
Opponens pollicis
ExplanationOpponens pollicis is responsible for opposing the thumb.
#9
Which muscle is involved in pronation of the forearm?
Pronator quadratus
ExplanationPronator quadratus is involved in forearm pronation.
#10
Which muscle is responsible for extension of the shoulder joint?
Deltoid
ExplanationDeltoid is responsible for shoulder joint extension.
#11
Which muscle assists in extension and adduction of the arm?
Teres major
ExplanationTeres major assists in both extension and adduction of the arm.
#12
Which muscle is responsible for abduction of the thumb?
Abductor pollicis longus
ExplanationAbductor pollicis longus is responsible for thumb abduction.
#13
Which muscle is responsible for the majority of forearm supination?
Supinator
ExplanationSupinator is responsible for the majority of forearm supination.
#14
Which muscle is responsible for flexion of the shoulder joint when the arm is medially rotated?
Pectoralis major
ExplanationPectoralis major is responsible for flexion of the shoulder joint when the arm is medially rotated.