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. April 24, 2024 Add as ...

Of any calisthenics exercise, pull-ups are the most difficult to perform and see improvements without significant time and effort. Your pulling muscles (biceps, latissimus dorsi, rear deltoids, ...

The biggest challenge of doing pull-ups is performing the first one, which is a pure strength exercise, and this single pullup tends to take the most time to develop for most people. However, ...

What it's supposed to do: Train lats, upper back, and biceps. What it actually does: Unless you have very flexible shoulders, it's difficult to do correctly, so it can cause pinching in the shoulder ...

Victoria’s Secret model Josephine Skriver is well-known for her fierceness on the catwalk—and in the gym. The 24-year-old Dutch-born model frequently posts about her sweat sessions via @Joja, the ...