Import, english spoken; Starring Fitness Celebrity Tracie Long (The Firm) teaching you unique and age-defying workouts designed for staying Stronger Longer. Heart-pounding Intervals and Combinations will challenge your Core and improve Balance and Posture. Combat fatigue and harness your personal strength with "Stronger Longer Volume One." Benefits: Build Core Strength, Increase Spinal Stability, Improve Mobility, Boost Cardio, Tone Muscle. Equipment: Dumbbells, Medicine Ball, Mat (optional)