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. Suspension trainers ...

As a trainer who has been a little lazy with pull-ups over the years, I can still be found managing a few reps before adding one of the best resistance bands or scaling using pull-up variations.

Ahhh, biceps. If theres one thing almost every guy wants, its a big pair of ostrich-egg guns. In some ways, despite the functional training revolution, arms are still one of the universal calling ...