BBC4 年
The role of joints and types of synovial joints
A joint is a place where two or more bones meet and is also called an articulation. Synovial joints (freely movable joints) allow us the free movement to perform skills and techniques during ...
BBC4 年
Four important synovial joints
Four important synovial joints used in most sporting actions are the elbow and shoulder joints in the arm, and the knee and hip joints in the leg. The elbow and knee joints are both hinge joints.
Flexible Joints Traced to Earliest Jawed Fish
The efficient architecture of our joints, which allows our skeletons to be flexible and sturdy, originated among our most ...
Phys.org7 天
Humans have the earliest jawed fish to thank for their flexible joints, study suggests
More information: Sharma N, et al. Synovial joints were present in the common ancestor of jawed fish but lacking in jawless fish. PLOS Biology (2025). DOI: 10.1371/journal.pbio.3002990 ...
How do our joints work?
Joints of many different kinds keep our bodies moving, but only if they’re well-lubricated. Synovial fluid plays a key role in movement, cracking joints, and even joint diseases.