The 3.2-million-year-old fossil, discovered 50 years ago, is considered to be one of the most significant early hominin ...

The muscular system works in conjunction with the skeleton to produce movement of the limbs and body. Ligaments and tendons are two main types of connective tissues that help the muscular-skeletal ...

For example, your elbow joint has two muscles that move your forearm up or down. These are the biceps on the front of the upper arm and the triceps on the back of the upper arm: to raise the ...

Full view of how bones and joints form in the first trimester uncovers cells and pathways that could help diagnose and treat ...

Walking and running upright on two feet as humans do requires some specialized adaptations of the skeleton and muscles. Modern human anatomy has built on the strengths and the weaknesses of a body ...

The researchers believe the footprints were made within hours of each other on the shores of an ancient lake in present-day ...