Decades before sports science caught up, lifters were using 21s to build size through partial reps, stretched positions, and relentless time under tension.

Walk into a serious gym in the 1970s, and you’d often see lifters cranking out 21s — partial and full reps combined for a brutal, muscle-frying pump. These sets weren’t a gimmick; they created tension ...

"I felt like I needed to put on a bunch of muscle and be as big as possible," Hemsworth said in a new interview.

Boost strength, mobility, and energy after 50 with a simple morning routine of 5 exercises that help turn back your clock.

Decades before the likes of high intensity training protocols such as CrossFit and any mention of 'work capacity', a small ...