The final workout in this series shifts from the floor to standing strength. This wall sit HIIT workout  challenges your legs, glutes, and core together, improving endurance and balance through isometric control. The Workout Format: 45 seconds per move 15 seconds rest between moves 3 rounds total Rest 1 minute between rounds Moves: Marching Wall Sit Single Leg Wall Sit Wall Sit Hold Benefits of This Wall Sit HIIT Workout Marching Wall Sit:  Builds dynamic core engagement and