"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." YOU WANT (AND need, for so many reasons!) to build more muscle. But you’ve hit the gym and piled up reps ...

BUILDING BIG ARMS is no easy feat. Maybe you’ve been lifting for months and are wondering why your arms look the same. Maybe you were packing on muscle for a while but now your growth has stalled.

FOR YEARS, the fitness world has pitted pilates and strength training against each other. Strength training loyalists argue that barbells, dumbbells, and progressive overload are the only true path to ...