Sarah loved lifting weights, but sometimes she struggled to complete all of her sets. One day, her coach said, “Sarah, have you ever tried cluster sets? They might help you lift heavier and build more muscle.” Sarah was curious and asked, “What are cluster sets?” The coach explained, “Cluster sets are a way to break up your regular sets into smaller chunks. Instead of doing all your reps at once, you do a few, rest for a few seconds, then do a few more. It lets you lift heavier weights while still getting in all the reps.” Sarah decided to give it a try. The next time she was doing squats, she broke her set into clusters. She did five reps, rested for 10 seconds, then did five more. To her surprise, she could lift heavier weights than usual and still get all her reps in! Sarah felt stronger and more confident with each set. Over time, she saw her muscles grow bigger and more defined. She realized that cluster sets helped her push through tough workouts and build muscle faster than before.