Humans Got Their Flexible and Sturdy Joints From Fishes, Evidence Found in 400 Million-Year-Old Jawed Fish Evolution has ...
Hinge joint. Articulating bones are femur and tibia (the patella is not classed as part of the joint, nor is the fibula). Allows bending (flexion) and straightening (extension). Muscles which move ...
The researchers also studied fossils of extinct fishes dating back almost 400 million years and saw evidence that some of the ...
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 ...