30. Min. Sixpack & Core, Abs HIIT Workout by Dr. Daniel Gärtner © (No Equipment)

BusyPro Core (30 min.) with Dr. Daniel Gärtner. Intense & varied circuit interval training without equipment. This workout includes two circuits (approx. 30 minutes) to strengthen your core muscles (abs, back, glutes, etc.)! Find even more online fitness at www.bodyboom.de! ~-~~-~~~-~~-~ Please watch: "30 Min. Cardio Aerobics HIIT Fat Burning Workout by Dr. Daniel Gärtner © (No Equipment)"    • 30 Min. Cardio Aerobics HIIT Fat Burning W...   ~-~~-~~~-~~-~