Much like their name implies, the quadricep muscles were once thought to be a set of four muscles, with the name “quad” translating to “four or fourth” in Latin. However, it has since been discovered ...

Neck muscles have an essential role in supporting and stabilizing your neck. More than 20 muscles are working to keep your head supported and moving. Your neck muscles have a range of responsibilities ...

In his 1863 book Evidence as to Man’s Place in Nature, Thomas Henry Huxley raised hell by arguing that humans weren’t special. Like other animals, he said, humans are a byproduct of evolution, which ...

Hip abductor exercises can increase athletic performance, reduce the risk of certain injuries, and promote healthy hip function. The hip abductor muscles are present in the thigh area of each leg and ...

Human embryos are more muscle-bound than adult humans, new microscope images cataloging early development show. For instance, at seven weeks of gestation, embryonic hands have about 30 muscles. Adults ...