The Gym with Lacey Stone: Jumping rocks! (Ep. 32)

A New York City and Hollywood celebrity trainer, Lacey is one of the country’s most sought after fitness professionals.

This week, Lacey talks about jumping — why it might hurt your knees and why it’s just the best thing to incorporate into your workouts.

Check back each Monday for a new episode of The Gym with Lacey on For more on Lacey, visit and follow her on Facebook and Twitter.