"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Ready to get into the best shape of your life? Get free weekly workouts and no-nonsense training insights ...

If you go to the gym often, you might have been told you shouldn't lift weights in runners. The common belief is it is bad for your performance and can lead to injuries. But is this really the case?

Is it okay to lift weights every day? It’s a question gym-goers face when they’re starting their strength training journey, or when they're seeing results and want to keep pumping iron to keep the ...