Summary
An Operation Ouch science clip. Where two bones meet, you have a joint -- the doctors show the different kinds of joints and how they let you bend, twist and grip. Free on the official Operation Ouch YouTube channel.
Viewer safety
Ages 7+
Some gross-but-friendly body science (real footage) -- a quick preview is wise.
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Our rating is a quick teacher-to-teacher guide — preview before showing.
Teaching resources
Discussion questions
Discussion
Bones can't bend -- so the bending happens at the joints between them.
- What is a joint?
- Name two joints in your body and how each one moves.
- Why would it be hard to move without joints?
Quick work-a-long
Vocabulary: joint, bone, hinge, bend, movement.
Try it: Find three joints on your body. Show whether each one bends, twists, or both.