Function of Skeletal
System
1.
2.
3.
4.
Provides a framework.
Allow Movement
Provide Support
Protect other parts of
your body.
5. Form new blood cells
6. Store Minerals
JOINTS
A = Hinge (Elbow &
Knee) move in one
direction only.
B = Gliding (Wrist &
Ankle) enable bones to
slide over one another.
C = Pivot (Head & Neck)
moves from side to side
and up and down and
allows limited rotation.
D = Ball & Socket (Hip &
Shoulder) move in all
directions, allowing
rotation.
Scientific name – Common name
PROBLEMS
1. Phalanges – fingers
1. Fracture- Break in
a bone.
2. Metacarpals – hand (palm)
3. Carpals – wrist
2. Dislocation- When
4. Scapula – shoulder blade
a bone is pushed
out of its joint.
5. Rib – rib
6. Vertebrae – back bone (24)
3. Sprain- Stretching
or twisting of
7. Pelvis – hip
ligaments in a joint.
8. Patella – knee
9. Fibula – shinbone (smaller
4. Overuse injuriesHappen over time
bone)
and make up over
10. Metatarsals – foot (instep)
half of the sports
11. Cranium – skull
injuries in teens.
Ex. Shin splints
12. Mandible – jaw
13. Clavicle – collarbone
5. Scoliosis14. Sternum – breastbone
Sideways
curvature of the
15. Humerus – upper arm
spine.
16. Ulna – forearm (finger side)
17. Radius – forearm (thumb side) 6. OsteoporosisCondition with
18. Coccyx – tailbone
brittle &porous
19. Femur – thigh
bones due to
20. Tibia – shinbone (bigger
deficiencies in
calcium, vit. D,
bone)
certain hormones,
21. Tarsal – ankle
and lack of
22. Phalanges – toes
exercise.
CARE
1. Be physically active
2. Eat foods high in calcium &
phosphorus
3. Sit, stand, and walk with straight
posture
4. Pay attention to your shoes- Shoes
should provide correct arch support.
Properly fitting shoes provide
support for the bones of the feet.
CONNECTIVE TISSUES
1. Cartilage- Example is nose and earStrong, flexible tissue that cushions
joints.
2. Ligaments- Connect bones to bones
at joints.
3. Tendons- connect muscles to bones
at joints. Example Achilles Tendon