21-15-9 is one of CrossFit’s most recognisable and widely adopted workout formats. The structure is straightforward: you complete one or two movements for 21 repetitions each, then repeat those ...

Single-leg (unilateral) training could make you sprint faster and balance better, according to the research. Bulgarian split ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Picture this: a dimly lit workout studio, the pounding of sneakers as people furiously push through ...

Here's a simple strategy I use with my personal training clients to help boost their exercise motivation in each session and ...

For decades, lifters were told there was a "magic" rep range for hypertrophy — traditionally 8–12 reps. While this range is indeed effective, modern research has shown that muscle growth can occur ...

Use a treadmill or outdoor space to perform a 400-meter jog. Maintain a steady, moderate pace, enough to challenge you but not gas you out. Keep your shoulders relaxed and let your arms swing ...