HIIT Fat Burning Workout | Erin Stern’s Elite Body 4-Week Fitness Plan

Fat Burning Cardio Workout | 30 Days Out | Day 28

Fitness Classes | 30 Days Out | Day 21

Intense Shoulder Workout | 30 Days Out | Day 12

Favorite Cardio Workouts | Transformed | Day 20

Full-body Hybrid Conditioning Workout | True Muscle Trainer: 9 Weeks To Elite Fitness