Doing a short, weighted stretch between workout sets doesn't reliably make your calf muscles grow bigger compared to just resting normally. This suggests that stretching between sets might only help certain muscles, rather than working for every muscle group.

Adding short, weighted stretches between your weightlifting sets won't actually make your calf muscles grow bigger in young men who don't train regularly. The tiny changes you might see are just normal measurement noise, not real muscle growth.

Adding long static stretches to your regular weightlifting routine might actually help your calf muscles grow bigger in specific spots. Research suggests that doing this for 12 weeks could increase muscle size by up to 23% in experienced athletes.

Adding a short, weighted stretch between your workout sets can actually help your calf muscles get a little stronger over two months. This extra stretching boosts your muscle power without slowing down your regular strength training progress.

Adding a short, weighted stretch between your workout sets might give your calf muscles a small strength boost compared to just resting, without hurting your overall workout progress.

Doing a lot of long static stretches can actually build up and strengthen your calf muscles just as much as traditional weightlifting. It means stretching isn't just for flexibility—it can also help you get stronger and bigger muscles.