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Skeletal Muscle Anatomy and Naming Conventions Quiz

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Which muscle is responsible for flexing the forearm?

Biceps brachii

Explanation

Flexes the forearm at the elbow joint.

What is the function of the deltoid muscle?

Shoulder abduction

Explanation

Raises the arm away from the body.

Which muscle is commonly known as the 'calf muscle'?

Soleus

Explanation

Part of the calf, responsible for plantar flexion.

What is the primary function of the iliopsoas muscle?

Hip flexion

Explanation

Flexes the hip joint.

Which muscle is responsible for abducting the arm at the shoulder joint?

Deltoid

Explanation

Raises the arm out to the side.

What is the primary function of the rectus femoris muscle?

Knee extension

Explanation

Mainly responsible for extending the knee.

Which connective tissue surrounds an entire muscle?

Epimysium

Explanation

Encases the entire muscle.

Which muscle is responsible for adduction of the thigh?

Adductor magnus

Explanation

Brings the thigh towards the midline of the body.

What is the primary function of the triceps brachii muscle?

Shoulder extension

Explanation

Principal muscle for extending the elbow joint.

#10

What is the primary action of the latissimus dorsi muscle?

Shoulder adduction

Explanation

Brings the arm closer to the body's midline.

#11

Which muscle is responsible for pronation of the forearm?

Pronator teres

Explanation

Rotates the forearm to turn the palm downward.

#12

What is the smallest functional unit of a muscle fiber?

Sarcomere

Explanation

Basic contractile unit within a muscle fiber.

#13

Which muscle is involved in plantar flexion of the foot?

Soleus

Explanation

Primarily responsible for pointing the foot downward.

#14

Which connective tissue surrounds a bundle of muscle fibers?

Perimysium

Explanation

Wraps around bundles of muscle fibers.

#15

What is the main function of the pectoralis major muscle?

Shoulder abduction

Explanation

Primarily involved in moving the arm forward and across the chest.

#16

What is the primary function of the serratus anterior muscle?

Scapular protraction

Explanation

Moves the shoulder blade forward and around the ribcage.

#17

Which muscle is involved in shoulder external rotation?

Infraspinatus

Explanation

Primarily rotates the shoulder outward.

Skeletal Muscle Anatomy and Naming Conventions Quiz

Which muscle is responsible for flexing the forearm?

What is the function of the deltoid muscle?

Which muscle is commonly known as the 'calf muscle'?

What is the primary function of the iliopsoas muscle?

Which muscle is responsible for abducting the arm at the shoulder joint?

What is the primary function of the rectus femoris muscle?

Which connective tissue surrounds an entire muscle?

Which muscle is responsible for adduction of the thigh?

What is the primary function of the triceps brachii muscle?

What is the primary action of the latissimus dorsi muscle?

Which muscle is responsible for pronation of the forearm?

What is the smallest functional unit of a muscle fiber?

Which muscle is involved in plantar flexion of the foot?

Which connective tissue surrounds a bundle of muscle fibers?

What is the main function of the pectoralis major muscle?

What is the primary function of the serratus anterior muscle?

Which muscle is involved in shoulder external rotation?

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