Expert Answers: Understanding Weightlifting Terms

Our expert answers your fitness question on parlance used in the weight room.


Q | What are reps, sets, supersets, circuits, and intervals — and when do you use them?

A | If you’re new to lifting weights, it might seem like you need to learn a whole new language just to get started in the gym. Jeff Rosga, NASM-CPT, senior director of Life Time Academy in Chanhassen, Minn., explains these common workout terms.




is a writer and personal trainer in River Forest, Ill. She blogs at

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