Katharina Pfeifer

Katharina Pfeifer

Katharina Pfeifer
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This comprehensive workout, which Jillian Michaels created for Health, trains the muscles in a way that will bust through even the most persistent plateau. Do it four times a week, paired with 20 minutes of high-intensity interval training, and watch your body be transformed. | Health.com

7 Move Fat Blasting Circuit Workout From Jillian Michaels - Do it four times a week, paired with 20 minutes of high-intensity interval training (HIIT), and watch your body be transformed.

The Best Butt Workout

The Best Butt Workout - Hip Thrusts, Donkey Kicks, Fire Hydrants, Plie Sumo Squats + Side Lunges. The girl in the pic is prob all of 18 years old, but what tha heck.