Everyone loves a good stretch. The practice feels good because the act of stretching activates a network of relaxing and calming nerves and increases blood flow to one's muscles. Stretching also ...

You might think you know what it feels like to have sore, tight muscles. But, sometimes, what feels like a muscle ache is actually a more complex problem — one that's related to nerves. "It's much ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

Without realizing it, many of us start our day by stretching before we even get out of bed. Involuntary stretching of your muscles is called pandiculation. It’s a behavior seen in most types of ...

Ab muscle stretches can help prevent back pain, improve flexibility, and prepare your body for exercise, among other benefits. Options include yoga poses and other stretches. A strong core is an ...

Muscle contraction is the tightening, shortening, or lengthening of muscles when you do some activity. It can happen when you hold or pick up something, or when you stretch or exercise with weights.

Recent advances in exercise physiology and biomechanics have refined our understanding of how diverse stretching techniques affect muscle properties. Contemporary studies have compared resistance ...

Regular exercise is essential for a healthy lifestyle, and most people with an active lifestyle know how important it is to warm up before exercising. However, if you’ve only recently started ...

High school fall sports teams will begin their official practices soon — including double sessions for football. While a warm August may be a wonderful time of year to swim and kayak, it may not offer ...

Muscle cramps are a common issue that many people get from time to time. If one of your muscles feels like it’s contracting (getting tight) for no reason — and you can’t get it to relax — that’s a ...