A team of sport and exercise specialists in the U.K., Qatar and Ireland has found that a little-known group of long, thin muscles that run from the knee to the pelvis play a much bigger role in ...

Your thigh is made up of a few different groups of muscles. The thigh is an important part of your body because your thighs bear most of your body’s weight! It’s consequently important to keep your ...

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 ...

When hip and knee pain strike, many runners suspect it’s their iliotibial (IT) band. While this thick band of tissue is a common culprit for hip and knee pain, there may be another muscle at play: the ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Not everybody has the ...

A new study suggests that poor muscle health may affect blood sugar regulation, increasing the risk of type 2 diabetes and ...

You're probably underestimating your muscles. In fact, almost everyone does. While everyone knows, for instance, that muscles are important for function—activities such as walking, climbing, and ...