Get the shredded 6 pack and toned shoulders you want with Bemax STAX: Shoulders & Standing Core. Allie Del Rio guides you to help you challenge your shoulders and work your midsection from all angles in this inclusive shoulder and core workout. Pair Bemax STAX: Shoulders & Standing Core with any other BEMAX workout to tighten and tone your belly and shoulders, or use it alone for a quick workout for focused results.