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. January 26, 2023 Add ...

Muscle fatigue is a decreased ability to create force with your muscles. Electrolyte imbalance and overuse are some of the most common causes of muscle fatigue. Rest and massage are the best ways to ...

You're relaxing on the sofa when suddenly your eyelid starts twitching. Or perhaps it's a muscle in your arm, your leg, or ...

Like all great villains, lactic acid has been misunderstood. We’ve been blaming it for the pain we suffer during intense exercise for more than two centuries. There’s nothing worse, we say, than the ...

A viral TikTok posture therapist recommends prepping tight muscles before alignment work. Penetrex is an Amazon best-selling joint and muscle relief cream with over 90,000 reviews. The cream contains ...

These protein-packed plant-based meals passed the test with my skeptical trainer, and they'll fuel your gains without the bro-science nonsense.

Imagine you’ve just completed a tough upper-body workout. Your muscles feel a bit tired, but all in all, you’re able to go about the rest of your day just fine. The next morning, you wake up and ...

I've had uneven abs and glutes for years, and by that I mean there's a noticeable (at least to me) difference between the size and strength in the muscles on my right and left sides. It may not sound ...

Massages feel good, but do they actually speed muscle recovery? Turns out, they do. Scientists applied precise, repeated forces to injured mouse leg muscles and found that they recovered stronger and ...

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. I’ve tried a lot of ...