A certified strength coach shares 5 chair exercises that build arm strength after 60—no weights or gym needed.

While there is no magic bullet for gaining strength, variety is key. To that end, although classic bicep curls often take center stage for building arm strength, another arm exercise deserves ...

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. We’re going to start ...

Editor’s note: Dana Santas, known as the “Mobility Maker,” is a certified strength and conditioning specialist and mind-body coach in professional sports, and is the author of the book “Practical ...