TED Talks
Ted: Ted Ed: Why Do Your Knuckles Pop?
Some people love the feeling of cracking their knuckles, while others cringe at the sound. But what causes that trademark pop? And is it dangerous? The following video and guide gives the facts behind joint popping. [4:22]
Science4Fun
Science4 Fun: Skeletal System
Discover how your bones are connected together to form the skeletal system, what bones are made of, your joints, and how broken bones heal.
Mocomi & Anibrain Digital Technologies
Mocomi: Human Body Joints and Movements
Discover what enables movement in human beings while learning about the different types of joints.