HIIT + Sexy Back

About This Service

Build a stronger, leaner upper body with HIIT + Sexy Back at Vault Fitness BKK. This results-driven class combines high-intensity interval training (HIIT) with targeted upper-body and posterior chain exercises to help sculpt your back, shoulders, arms, and core while improving overall fitness and endurance.

Each session incorporates a mix of strength training, functional movements, and cardio intervals using equipment such as dumbbells, barbells, kettlebells, resistance bands, and bodyweight exercises. The workout is designed to enhance posture, strengthen the muscles that support the spine, increase calorie burn, and create a toned, defined back while building total-body strength.

Suitable for all fitness levels, every exercise can be modified to match your ability under the guidance of experienced coaches. Whether your goal is to improve posture, build upper-body strength, reduce body fat, or achieve a more defined physique, HIIT + Sexy Back delivers an effective, energizing, and full-body workout experience.