A forward lunge with dumbbells works multiple muscle groups. So if you're short on time, grab some dumbbells (at least 10 pounds) and do 4 sets of 15 to 20 reps to get a full-body workout.
In this infographic, check out what muscle groups you use during a forward lunge with dumbbells.
More: Walk the Walk: Walking Lunges
![forward_lunge title=](https://s3.amazonaws.com/easel.ly/all_easels/31929/forward_lunge/image.jpg)
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