Standing abdominal movements are particularly effective at firing up those hard-to-reach areas of the obliques and lower abs without a single crunch in sight. This variation of core work pairs well with an explosive HIIT session as you’re already on your feet. Combine these two to create a high-energy, challenging routine perfect for a quick and efficient workout. How-to: How-to: How-to: How-to: How-to: How-to: How-to:
