Video: Grab some weights to add challenge when you lunge

The classic lunge is a common lower body exercise that helps you improve both leg strength and your posture. Now, watch and see how to add weight to amp up the benefits of this classic move.

Start with weights between 5 and 20 pounds — whichever allows you to complete 12 challenging reps with good form. Don't have weights? Just grab two water bottles or heavy books to get started!

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