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Muscle Anatomy Quiz

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

Deltoid

Explanation

Abducts the arm at the shoulder joint

What is the primary function of the gastrocnemius muscle?

Plantarflexion of the foot

Explanation

Raises the heel, pointing the foot downward

Which muscle is known as the 'quadriceps'?

Vastus lateralis

Explanation

Part of the quadriceps femoris group, extends the knee

What is the function of the latissimus dorsi muscle?

Adduction of the shoulder

Explanation

Adducts and internally rotates the shoulder

Which muscle is the primary flexor of the forearm at the elbow joint?

Brachialis

Explanation

Flexes the forearm at the elbow joint

What is the function of the tensor fasciae latae muscle?

Abduction of the hip

Explanation

Abducts and flexes the hip

Which muscle is located on the anterior surface of the thigh and is a primary flexor of the hip joint?

Iliopsoas

Explanation

Flexes the thigh at the hip joint

What is the main function of the infraspinatus muscle?

External rotation of the shoulder

Explanation

Externally rotates the arm at the shoulder joint

Which muscle is responsible for the 'opposition' movement of the thumb?

Opponens pollicis

Explanation

Allows the thumb to move across the palm

#10

Which muscle is responsible for turning the palm of the hand upward (supination)?

Supinator

Explanation

Turns the palm up by rotating the radius

#11

What is the primary action of the rectus abdominis muscle?

Flexion of the trunk

Explanation

Flexes the vertebral column, bringing the rib cage closer to the pelvis

#12

Which muscle is responsible for abducting the fingers?

Palmar interossei

Explanation

Abducts the fingers away from the middle finger

#13

Which muscle is located in the posterior compartment of the leg and is a powerful plantarflexor of the ankle joint?

Gastrocnemius

Explanation

Plantarflexes the foot at the ankle joint

#14

What is the primary function of the serratus anterior muscle?

Protraction of the scapula

Explanation

Pulls the scapula forward and around the thorax

Muscle Anatomy Quiz

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

What is the primary function of the gastrocnemius muscle?

Which muscle is known as the 'quadriceps'?

What is the function of the latissimus dorsi muscle?

Which muscle is the primary flexor of the forearm at the elbow joint?

What is the function of the tensor fasciae latae muscle?

Which muscle is located on the anterior surface of the thigh and is a primary flexor of the hip joint?

What is the main function of the infraspinatus muscle?

Which muscle is responsible for the 'opposition' movement of the thumb?

Which muscle is responsible for turning the palm of the hand upward (supination)?

What is the primary action of the rectus abdominis muscle?

Which muscle is responsible for abducting the fingers?

Which muscle is located in the posterior compartment of the leg and is a powerful plantarflexor of the ankle joint?

What is the primary function of the serratus anterior muscle?

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