1. Chapter 9
The Spine

2. The Spine 4 Segments Neutral Spine Sacrum Lumbar Spine Thoracic Spine
Cervical Spine
Neutral Spine
Spine should have normal curvature and alignment.

3. Bones Bones are called vertebrae. Parts Functions 7 Cervical
12 Thoracic
5 Lumbar
5 Sacral
Parts
Spinous Process
Spinal Canal
Nerve Root space
Functions
Protection
Hold body upright
Muscle attachment

4. Disks Intervertebral disk lie between the vertebrae. Two Parts
Allows for movement and flexibility.
Space for nerves.
Provides cushion between bones.
Two Parts
Jelly like core (nucleus pulposus)
Cartilage Layer (annulus fibrosus)
Do not heal like other tissues.

5. Muscles, tendons, and Ligaments
Muscles and Tendons
Act like anchors on a mast of a ship.
Allow us to make the movement necessary for sports.
Ligaments
Prevent bones from separating.
Allow for flexion and movement without allowing the bones to separate completely.