Does more muscle mean more strength? A new study gives a clear-cut answer

A man doing concentration curls at the gym.

You’d be forgiven if you thought someone with massive arms was super strong. After all, when you get stronger it’s because your muscles are getting bigger, right? Not necessarily.

While strength can correlate to muscle size, there are other factors at play, too, like neural adaptations (simply put, your brain and nerves have gotten better at using them).