Spinal Anatomy Quiz

Which of the normative values is incorrect?

• Cervical Flexion - 50°

• Cervical Extension - 90°

• Cervical Sidebending - 45°

• Cervical Rotation - 50°

Where is the point of the whole body’s center of gravity?

• L2

• L5

• S2

• S4

Which of the following does not make up the anterior border of the spinal canal?

• Posterior vertebral body

• Intervertebral disc

• Posterior longitudinal ligament

• Interspinous ligament

Which of the following correctly describes the amount of mobility in different spinal segments?

• Cervical > lumbar > thoracic

• Cervical > thoracic > lumbar

• Lumbar > cervical > thoracic

• Thoracic > cervical > lumbar

In which direction does the nucleus pulposus deform during spine extension?

• Anterior

• Posterior

T or F: In spine rotation, the ipsilateral facets close/approximate.

• True

• False

Which of the following is the strongest spinal ligament?

• Posterior longitudinal ligament (PLL)

• Anterior longitudinal ligament (ALL)

• Ligamentum nuchae

• Supraspinous ligament

Which of the following is false concerning R side bending at the OA joint?

• Condyles roll R and glide L

• Atlas moves R

• R alar ligament tightens

• Relative L rotation occurs to keep the head level

Which of the following actions is NOT done by the trapezius muscle?

• Bilateral – cervical extension

• Unilateral – contralateral cervical rotation

• Unilateral – contralateral cervical side bend

• Unilateral – upward rotation of the scapula

Which of the following nerves innervates the sternocleidomastoid (SCM)?

• Axillary (C5-C6)

• CN XI (spinal accessory n.)

• CN VII (facial n.)

• Suprascapular (C5-C6)