To perform proper Lunges with Sandbag, you must:
- Hold the sandbag against your chest with your arms curled around it from the underside.
- Take one step forward (around 1.5 times a normal forward step).
- Lower your body into the lunge until the forward leg reaches a 90-degree angle bend.
- Your back knee should only just hover from the floor.
- Push upwards through the front leg and drive your body back to the starting position.