Strong Body, Fit Body: Circuit Challenge

Erin O'Brien shows why she's considered one of the toughest trainers in Hollywood with this fast-moving interval circuit. You'll reach deep to power through this routine of squats, lunges, and plyos.

About this Workout

Time 07:31
Calories Burned 48

Exercise Type: Strength, Cardio
Fitness Level: Beginner, Intermediate
Equipment: Bodyweight
Trainer: Erin O'Brien
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