sci2 chapter 4 your bones l15

15
Chapter 4 – Your Bones Lesson 15 Where Bones Meet

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  • 1. Chapter 4 Your Bones
    Lesson 15
    Where Bones Meet

2. In this lesson
You will learn how to match a particular group of joints to the type of movement it allows
And how to indicate which groups of joints the elbow, neck, and shoulders belong to.
3. Where bones meet
We call the meeting places of bones joints
4. The place where 2 or more bones meet is called a joint.
Most joints allow movement.
5. Look at pages 50 and 51 of your textbook.
Which of these joints allow movement back and forth?
Which allow movement up and down?
6. Three kinds of joints
Hinge joints allow up and down movements.
7. Three kinds of joints
Pivot joints allow back and forth movements.
8. Three kinds of joints
Ball-and-socket joints allow movements in all directions
9. Lets see what youve learned
Do all joints allow movement?
No, but MOST of them do.
10. Lets see what youve learned
Do the joints in your fingers and toes allow movement?
Yes! You can wiggle them.
11. Lets see what youve learned
Can you wiggle the joints in your skull?
NO!
12. Lets see what youve learned
What kind joint allows movement up and down?
A hinge joint
13. Lets see what youve learned
What kind of joint allows back and forth movement?
A pivot joint
14. Lets see what youve learned
What kind of joint allows movement in all directions?
A ball-and-socket joint
15. Good Job!
Youve learned all about the different kinds of joints in your body.
This completes todays lesson.