Get ready for the ultimate pump.

If you've spent any time lifting weights, you've probably noticed your muscles looking noticeably bigger during or right after a workout. It's a satisfying reminder that you actually did something, ...

LIMA, Peru (AP) — They flexed their muscles glistened with oil on the bright pink stage, blew kisses to the crowd and smiled to the judges, trembling to keep the posture on their toned and deeply ...