Muscle-on-chip systems are three-dimensional human muscle cell bundles cultured on collagen scaffolds. A Stanford University research team sent some of these systems to the International Space Station ...

A few years ago, when several workers at a local plant reported lower back pain, one of the bosses requested I look at the situation to determine the problem and how to improve things. After studying ...

Stop obsessing over the mirror muscles and discover why a powerful posterior chain is the secret to a pain-free life and elite functional performance.

Plus, how to get the most of your walking workout.

Odds are very high that at some point in your life, you will experience lower back pain. In fact, it is estimated that approximately one in four Americans are experiencing lower back pain right now.

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. It’s easy to almost ...

Exercises to rebuild muscle after 50, with exclusive advice from a posture expert plus 4 daily standing moves to start today.

Among the penalties human beings pay for standing erect is the risk for low back pain. The lower back, known mainly as the lumbar region, is the area of the back that bears the weight of the entire ...

Lower back pain is a common ailment affecting many Americans, often exacerbated by improper lifting techniques. Excess weight, especially in the midsection, increases strain on lower back muscles, ...