Standing Sandbag Halfmoon September 15, 2014ExercisesSSD Standing Sand Bag Half Moon: This exercise is closely related to our Half Moon exercise. Stand next to the bag knee pointing at the bag and the other slightly pointing perpendicular with it. Then squat down to grasp the bag. Using the hips pick the bag up and explode it up, using your arms to guide it over your head and over to the other the side controlling the bag to the ground. Repeat this motion back to the other side of your body, this then completes one repetition.