In vertebrates, the skeleton of different regions of the body arises from different precursor cells. Researchers at the ...

The different types of movement that are permitted at each joint are described below. Flexion – bending a joint. This occurs when the angle of a joint decreases. For example, the elbow flexes ...

The bones in a synovial joint are connected by ligaments ... Four of the synovial joint types are responsible for a range of sporting techniques.

Two types of back injury are spondylolisthesis and cervical radiculopathy. Both have their own set of symptoms, causes, and treatments. The spine, or backbone, is made up of a column of 33 bones ...

While excavating the area, the team uncovered a shaft 13 feet deep with thousands of bones. The top layer mostly contained the remains of different types of animals that had evidence of human ...

Limb bones are the densest and strongest kind ... existence on a landscape teeming with wildlife. Tools of various types - for instance, for cutting and pounding - were of increasing importance ...

There are four main types of collagen: Food sources with the highest levels of collagen include the bones and skin of cows, pigs, and fish. But the body can also build collagen itself from other ...