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 ...

These biceps exercises will help you build muscle and get bigger arms. Here are the best biceps-building moves to add your workouts, plus bicep training tips.© South_agency - Getty Images ...

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.