1. Your Skeletal System

2. 5 Main Roles: Provides support Protects internal organs
Allows your body to move
Stores materials your body needs
Produces materials your body needs

3. Protection & Support
Your skeleton gives your body it’s shape & provides support as you move through the day
What bones protect your heart?
What bones protect your brain?

4. Storage & Production of Materials
Bones store calcium
Your breast bone & thighbone produce red blood cells

5. Bones are living!!
Bones are living structures that undergo change throughout your life!

6. Cartilage  Bone Newborns are born with cartilage tissue
Cartilage is a soft & flexible bone tissue
As you grow, this cartilage is replaced with bone tissue through ossification
Adults have cartilage in their ears, nose, covering ends of bone & to cushion some joints

7. Bones & Joints
A place in your body where two or more bones come together is called a joint
Ligaments are strong bands that hold bones together at joints
Joints allow for movement &
protect bones from friction & force

8. Types of Joints:
Ball & Socket

9. Hinge: Examples include the elbow & knee
Bend & straighten your arm- notice how your elbow ONLY opens & closes! This makes it a hinge joint!!!

10. Gliding:

11. Pivot:

12. Keeping bones healthy
A combination of eating well, exercise & avoiding injuries contributes to lifelong bone & joint health

13. Bone & Joint Injuries
Fracture- break in bone

14. Sprain- overstretched ligament

15. Dislocation- ends of bones in a joint are forced out of normal position

16. Overuse injuries- caused when an activity is performed too often or too strenuously. Joints will become inflamed & irritated.

17. Sports-Related Bone Injuries
Tennis Elbow

18. Jumper’s Knee

19. Tommy John Surgery

20. Shin Splints