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Muscles of the Back Quiz

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Which muscle is responsible for the extension of the spine?

Erector spinae

Explanation

Erector spinae extends the spine.

Which muscle is NOT part of the erector spinae muscle group?

Pectoralis major

Explanation

Pectoralis major is not part of the erector spinae group.

Which muscle is involved in shoulder abduction and helps form the posterior axillary fold?

Deltoid

Explanation

Deltoid is involved in shoulder abduction and forms the posterior axillary fold.

Which muscle group is responsible for the movement known as 'shrugging' the shoulders?

Trapezius

Explanation

Trapezius is responsible for shrugging the shoulders.

What is the primary action of the latissimus dorsi muscle?

Shoulder adduction

Explanation

Latissimus dorsi primarily adducts the shoulder.

Which muscle helps in retracting the scapula?

Trapezius

Explanation

Trapezius helps retract the scapula.

Which muscle is responsible for lateral flexion of the spine?

Quadratus lumborum

Explanation

Quadratus lumborum laterally flexes the spine.

What is the primary function of the rhomboid muscles?

Scapular retraction

Explanation

Rhomboids primarily retract the scapula.

Which muscle is responsible for the adduction of the scapula?

Trapezius

Explanation

Trapezius is responsible for scapular adduction.

#10

The erector spinae muscle group is primarily involved in which movement?

Spinal extension

Explanation

Erector spinae group primarily extends the spine.

#11

Which muscle is NOT part of the intrinsic muscles of the back?

Deltoid

Explanation

Deltoid is not an intrinsic back muscle.

#12

Which muscle is located deep to the trapezius and helps in neck extension?

Splenius capitis

Explanation

Splenius capitis helps in neck extension and is deep to trapezius.

#13

The thoracolumbar fascia is associated with which muscle group?

Erector spinae

Explanation

Thoracolumbar fascia is associated with erector spinae.

#14

What is the primary action of the serratus posterior superior muscle?

Respiration (elevates ribs)

Explanation

Serratus posterior superior elevates ribs during respiration.

Muscles of the Back Quiz

Which muscle is responsible for the extension of the spine?

Which muscle is NOT part of the erector spinae muscle group?

Which muscle is involved in shoulder abduction and helps form the posterior axillary fold?

Which muscle group is responsible for the movement known as 'shrugging' the shoulders?

What is the primary action of the latissimus dorsi muscle?

Which muscle helps in retracting the scapula?

Which muscle is responsible for lateral flexion of the spine?

What is the primary function of the rhomboid muscles?

Which muscle is responsible for the adduction of the scapula?

The erector spinae muscle group is primarily involved in which movement?

Which muscle is NOT part of the intrinsic muscles of the back?

Which muscle is located deep to the trapezius and helps in neck extension?

The thoracolumbar fascia is associated with which muscle group?

What is the primary action of the serratus posterior superior muscle?

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