The secret to big arms? It relies on many factors: genetic makeup, workout frequency and more. These elements determine the time it takes to get big biceps.

If you want bigger, rounder biceps, consider this your sign to add spider curls to your next arm day routine.

Either standing or seated, grab a dumbbell in each hand and let your arms hang almost completely straight at your sides, ...

The 7-7-7 biceps workout, for example, may help add inches to your arms and improve muscle definition. Also known as “21s,” this method was used by Arnold Schwarzenegger and other bodybuilding legends ...