Ancient fish had synovial joints, challenging the idea that flexible skeletons evolved on land. Fossils and modern fish show similarities.

Intra-articular synovial hemangioma of the knee is a relatively rare benign tumor that if left undiagnosed and treated may be ...

Cartilage is found at the ends of bones and where joints meet. Tendons attach muscles to the skeleton. Synovial joints (freely movable joints) allow us the free movement to perform skills and ...

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 ...

Protect your joints and stay pain-free with these seven expert-recommended exercises. Improve mobility, reduce stiffness, and keep your body moving with ease.

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 ...