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 ...

Understanding the functions of all the muscles in the back is complex, but training them does not have to be. The muscles of the back help us do everything from standing up straight and opening doors ...

Prolonged desk work can lead to musculoskeletal problems ranging from annoying aches and pains to injuries. This month, we launched a six-part series showing you how to stretch and strengthen your ...

Add Yahoo as a preferred source to see more of our stories on Google. Planks work your entire core, plus the thighs, arms and back. A strong core helps with posture, balance and stability, and can ...

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Back pain can make you nervous about tying your shoes, let alone working out. However, while resting a painful back may help for a time, often getting back in the gym and moving makes it feel better, ...

Add Yahoo as a preferred source to see more of our stories on Google. As we get older it's much more common to experience discomfort, tightness in your joints and even back pain. The latter may be the ...