Stretching the piriformis muscle can relieve tension, reduce muscle discomfort, and improve mobility. A person can do a piriformis stretch in a chair or on the floor. The piriformis is a flat, ...

There’s a reason ballet dancers are endlessly flexible and look beautiful while doing it. Ballet stretches aren’t just for professional dancers. Whether you’re a seasoned ballerina or simply looking ...

Ten moves to help undo the damage from sitting all day.

Bend forward to touch your toes and you might be surprised by how tight your hamstrings feel. (And your glutes, and your back.) When it’s tough to move and bend with ease, it can be a sign that you ...

Our core is an area we are constantly working — whether it's during a workout, maintaining our balance when walking or stabilizing us during daily movement. Despite how much we use the core, ...

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. Flexibility is an ...