Mixing up your workout can make you stronger and perhaps healthier in the long run than sticking to your same old routine.

Add Yahoo as a preferred source to see more of our stories on Google. Forget arm day. According to Mike Israetel, it may be time to retire the classic bicep and tricep workout. His argument? There are ...

Build a serious arm pump with just a half hour of focused reps.

Once you start seeing gains in the gym, it becomes addictive. Suddenly, you're hyper-focused on maintaining those hard-earned ...

You shouldn’t stick to the same routine for years on end. Here’s the right time to switch things up.