Preparation : ·Stand on the floor facing the Bosu Ball, approximately 24 inches from the edge of the platform. ·Place the feet hip width apart with the toes pointing straight ahead. Movement : ·Step forward with one leg and center that foot on top of the Bosu Ball. ·Slowly flex the knees to a maximum depth of 90 degrees of flexion. ·Allow the heel of the rear foot to lift, so that the ball of the foot is in contact with the floor. ·Pause at the end of the movement. ·Then press off the dome with the front leg and step backward into a reverse lunge on the floor. ·Press off the floor with the back leg and return to the starting position. Difficulty Adjustments: ·For beginners, perform the exercise with one leg before moving to the next one. ·For a challenge, Hold a dumbbell in each hand and allow the arms to hang naturally at the sides. Perform the exercise alternating sides.