Adding a short, weighted stretch between your workout sets won't make your gym session take longer because you're doing it during your normal rest breaks. This means you can potentially build more muscle without having to spend extra time at the gym.

Adding stretching between your weightlifting sets can help you build more muscle faster than just resting normally, without making your workouts take longer. Research suggests this method can lead to about 10.5% more muscle growth compared to 6.7% with regular rest over two months.

If you add a quick 20-second stretch with some weight between your sets of leg exercises, you might build bigger calf muscles without making your workout longer. This works because you're stretching during your normal rest time, so it's a quick way to get more out of your training.

Taking a bit more than a minute between sets when lifting weights might help your arms and legs grow slightly more muscle, but the difference is so small it might not matter much in real life.

Taking a bit more than a minute between sets when lifting weights might help your arms and legs grow slightly bigger, but the difference is so small it might not matter much in real life.

If you're someone who lifts weights regularly, taking longer breaks between sets might help you gain a bit more muscle than shorter breaks—especially if we're using precise tools to measure those gains.