Muscle growth is not driven by a single magic formula. According to leading fitness professionals in the United States, true ...

Gym lore says that rep range determines whether you'll build strength, muscle, or endurance. However, load, speed, and "time under tension" are actually more important than the number of reps. Your ...

Designed exclusively for iPhone, iPad and Apple Watch, strength-training app Reps & Sets 26 was developed by a long-time Cult of Mac writer.

Sometime between reps at the kettlebell clean and press to swing station, sweat started dripping down my face. But I wasn't tired yet. I began to feed off the energy from the other people in the room ...

Chris Hemsworth and his legendary muscles are back with another workout challenge, and this might actually be the one that makes us collapse. The Thor: Love and Thunder star and founder of the Centr ...

Short on time but serious about results? Rep-based progression is becoming the go-to method for athletes and fitness ...

After focusing on at-home exercise for years, the company is bringing self-guided app workouts to your fitness center of choice with Peloton Gym. We take it for a test spin. I'm PCMag's managing ...

No equipment, no excuses - just a full-body session that hits legs, glutes, core and shoulders in under 30 minutes ...

"I'm doing my least favorite thing, which is abs," Emily Thorne, a Canfitpro-certified trainer known as Emkfit, says in the beginning of this 500-rep ab challenge workout, but she knows so many of you ...

CrossFit’s Hero WODs have a reputation: they’re designed to honour men and women who have given their lives in service – and they don’t go easy on you. These sessions are intentionally gruelling: be ...

Workouts like this start off easy, then build up repetitions using the ladder or pyramid method. For this warmup, you will do some jogs (not sprints) between push-ups, with an increasing level each ...

Weightlifting lore—which is more inclusive than it sounds—dictates that if you’re looking to build size, the smart money is on forcing your muscles to adapt by testing them with increasingly heavy ...