Using dumbbells and performing lunges is a great leg exercise that will help build mass. Learn more about performing lunges from a certified personal trainer in this free fitness video.
Expert: Noah Steinberg
Bio: Noah Steinberg is a Certified Personal Trainer who has an active personal training practice in the western Massachusetts area.
Filmmaker: David Pakman
Duration : 0:1:13
[youtube X0b6BbFY_FM]
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