Learn Mode

Muscles Involved in Back Extension Quiz

Go to Quiz Page

Which muscle is primarily responsible for back extension?

Erector spinae

Explanation

Primary muscle for extending the back.

Which of the following is NOT a muscle involved in back extension?

Psoas major

Explanation

Not involved in back extension.

Which of the following muscles is NOT involved in back extension?

Pectoralis major

Explanation

Not involved in back extension.

Which muscle acts to stabilize the lumbar spine during back extension?

Multifidus

Explanation

Stabilizes the lumbar spine.

Which muscle assists in back extension while also helping to rotate the trunk?

Psoas major

Explanation

Assists in back extension and trunk rotation.

Which muscle assists in back extension and lateral flexion of the spine?

Quadratus lumborum

Explanation

Assists in back extension and side bending of the spine.

The muscles involved in back extension are primarily innervated by which nerve?

Posterior rami of spinal nerves

Explanation

Innervated by posterior spinal nerves.

During back extension, which muscle group acts as a synergist to the erector spinae?

Biceps femoris

Explanation

Synergistic to erector spinae.

Which of the following is a deep muscle involved in back extension?

Transversospinalis

Explanation

Deep muscle involved in back extension.

#10

The transversospinalis group includes which of the following muscles involved in back extension?

Spinalis

Explanation

Included in transversospinalis group.

#11

Which muscle group provides stability during back extension exercises?

Paraspinal muscles

Explanation

Provides stability during back extension.

#12

Which muscle group assists in controlling the descent during back extension movements?

Rectus abdominis

Explanation

Assists in controlling descent during back extension.

#13

Which muscle plays a significant role in maintaining upright posture by opposing excessive lumbar lordosis during back extension?

Rectus abdominis

Explanation

Maintains upright posture by opposing excessive lumbar lordosis.

#14

During back extension, which muscle helps control the rate of trunk flexion and rotation?

Quadratus lumborum

Explanation

Controls trunk flexion and rotation.

#15

Which muscle, when overactive, can limit the range of motion during back extension exercises?

Pectoralis major

Explanation

Overactivity limits range of motion during back extension.

Muscles Involved in Back Extension Quiz

Which muscle is primarily responsible for back extension?

Which of the following is NOT a muscle involved in back extension?

Which of the following muscles is NOT involved in back extension?

Which muscle acts to stabilize the lumbar spine during back extension?

Which muscle assists in back extension while also helping to rotate the trunk?

Which muscle assists in back extension and lateral flexion of the spine?

The muscles involved in back extension are primarily innervated by which nerve?

During back extension, which muscle group acts as a synergist to the erector spinae?

Which of the following is a deep muscle involved in back extension?

The transversospinalis group includes which of the following muscles involved in back extension?

Which muscle group provides stability during back extension exercises?

Which muscle group assists in controlling the descent during back extension movements?

Which muscle plays a significant role in maintaining upright posture by opposing excessive lumbar lordosis during back extension?

During back extension, which muscle helps control the rate of trunk flexion and rotation?

Which muscle, when overactive, can limit the range of motion during back extension exercises?

Test Your Knowledge