Vertebral Column

Question 1

Main Functions

Answer 1

1. Support weight of torso, upper limbs, head
2. Transmits weight of torso, upper limbs/head to the pelvis and then lower limbs
3. orient torso allow free movement of upper limbs
4. provide attachment for major muscles of torso and shoulders
5. protect spinal cord

Question 2

Cervical Spine

Answer 2

• small concave curve (lordosis)
• 7 vertebrae
  mobile section of spine

Question 3

Thoracic Spine

Answer 3

• Larger and convex curve (lordosis)
• 12 vertebrae
• Ribs attach (least mobile)
• main movement (left and right rotation)

Question 4

Lumbar Spine

Answer 4

• Concave (lordosis)
• 5 larger vertebrae
• Main movement - flexion/extension and lesser degree of lateral flexion

Question 5

Sacrum & Coccyx

Answer 5

• Sacrum = kyphosis
• Connection between the halves is sacroiliac joints
• legs are strong and fibrous, only small movement at these joints

Question 6

Intervertebral discs

Answer 6

• between all vertebrae

- function: provide weight-bearing and shock absorption & augment spinal flexibility