Complete the 30 Day Sit Up Challenge this month and boost your core muscles to the max. This fitness workout is easy to do and only takes 5 minutes a day
Primal Endurance: How To Escape Chronic Cardio & Carbohydrate Dependency & Become A Fat Burning Beast.
Mark is the de-facto leader of the primal and paleo lifestyle movement, and unlike the many instant and self-anointed experts who have descended upon the endurance scene in recent years, Mark boasts a rich history in endurance sports.
Thoughts which came to light collection site collection - petal