These exercises force the muscles to contract against resistance, whether it’s bodyweight, free weights or bands. These ...

The bottom line on building muscle Building muscle isn’t rocket science, but it does require consistency and a solid plan. Whether you choose the 5-day or 6-day split, the key is sticking to it.

Whatever fitness intentions you have for 2025, there's one thing that'll make it easier: doing full-body muscle-activation exercises. Photo: Getty Images/ Witthaya Prasongsin Written by Danielle Zickl ...