Abdominals are said to be the hardest muscles to train and show off, but with the help and advice from one of the UK’s most recognisable fitness faces, Zac Aynsley, you too can have abs like slabs. In this awesome app, Zac details his complete abdominal workouts which help him stay in optimum shape all year round. Whether you are just beginning, or already have a decent six pack, this fully illustrated video guide can help you get and retain those coveted square like stomach muscles. The easy to follow step-by-step videos can help even the most novice of gym goers. A must have guide for anyone looking for rock hard abs.