The Vertebral Column pt. 1

Functional
Anatomy
CERTIFICATION

THE SPINE

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PART 1 (CERVICAL SPINE)

FLIP CARDS

Use these flip cards as a tool to test your understanding and reinforce what you’ve learned.
Happy studying!

What is the primary function of the cervical spine?

Answer

The cervical spine supports the head, protects the spinal cord, and allows for a wide range of motion.

How many vertebrae are found in the cervical spine?

Answer

The cervical spine consists of seven vertebrae, labeled C1 to C7.

What makes cervical vertebrae different from other vertebrae?

Answer

They are the smallest and lightest, have transverse foramina, and allow greater mobility.

What are the two divisions of the cervical spine?

Answer

The superior cervical group (C1 and C2) and the inferior cervical group (C3 to C7).

What makes the atlas (C1) unique?

Answer

The atlas has no vertebral body and supports the skull, allowing the head to nod (“yes” motion).

What is the function of the axis (C2)?

Answer

The axis has a bony projection called the odontoid process (dens), allowing the head to rotate (“no” motion).

What movement does the atlas (C1) allow?

Answer

The atlas allows the head to nod up and down, producing the “yes” motion.

What movement does the axis (C2) allow?

Answer

The axis allows the head to rotate side to side, producing the “no” motion.

Why is C7 called the vertebra prominens?

Answer

C7 has a long, prominent spinous process that is easily felt through the skin.

What role do transverse foramina play in the cervical vertebrae?

Answer

MISSING INFO

How does the cervical spine support head movement?

Answer

It allows for flexion, extension, rotation, and lateral movement of the head.

What happens if cervical nerves are damaged?

Answer

Damage can lead to motor or sensory issues in the arms, neck, or face.

What is the role of the sympathetic nervous system in the cervical spine?

Answer

It influences autonomic functions like heart rate, blood pressure, and digestion.

What muscles support cervical spine movement?

Answer

Muscles like the trapezius, spinalis, and erector spinae help with posture, flexion, and extension.

How do facet joints contribute to spinal stability?

Answer

They guide movement, limit excessive motion, and help distribute weight and pressure across the spine.

What is cervical spine flexion?

Answer

Bending the neck forward so the chin moves toward the chest.

Name two major superficial back muscles that support the cervical spine.

Answer

Trapezius and levator scapulae.

What are the primary anterior neck muscles?

Answer

Platysma, sternocleidomastoid, rectus capitis anterior and lateralis, longus capitis, longus colli, and scalene muscles.

Name two suboccipital muscles involved in cervical spine movement.

Answer

Rectus capitis posterior major and obliquus capitis superior.Rectus capitis posterior major and obliquus capitis superior.

KEY TAKEAWAYS OF CLINICAL OBSERVATIONS

Take a moment to review what you’ve been learning!

Use these key takeaways to reinforce your
knowledge and identify areas that may need more attention.

Disc Herniation and Spinal Stenosis:
- Caused by tears or weakness in the intervertebral disc, leading to compression of the spinal cord or nerves.
- Symptoms range from neck pain to discomfort in the shoulders, arms, and hands. Severe stenosis can cause breathing difficulties.
Atlantoaxial Subluxation:
- Occurs when the transverse ligament loses tension, leading to increased movement of the dens (C2), potentially compressing the spinal cord.
- Can be caused by trauma or conditions like rheumatoid arthritis.
Fractures of the Cervical Spine:
- Commonly result from hyperextension or hyperflexion, often due to car accidents, falls, or sports injuries.
- Severe fractures can damage the spinal cord, leading to permanent deficits. Less severe fractures cause pain, weakness, and sensory or motor dysfunction.
Whiplash-Type Injuries:
- The cervical spine is highly flexible, making it vulnerable to injuries from sudden, strong movements, like whiplash.
- This high risk is due to limited muscle support in the cervical area, which must support the weight of the head.

Functional Anatomy CERTIFICATION

THE SPINE

Check for learning