HIIT・短時間トレーニング 【Shape Up Kickboxing】HIIT Kickboxing Workout That Packs a Punch | We Don’t Quit — We HIIT! Channel:Shape Up KickboxingLooking for a high-intensity workout that fires up your heart rate and keeps things fun? This... 2025.06.20 HIIT・短時間トレーニング