High-intensity circuit training using body weight: Maximum results with minimal investment User AgentDoggett, in the Reddit's Bodyweight Fitness Community subreddit, 20 Aug 2014
7 minutes a day to total fitness- and all you need is a chair. User delibrarian, in the Health subreddit, 10 May 2013
HIGH-INTENSITY CIRCUIT TRAINING USING BODY WEIGHT: Maximum Results With Minimal Investment User joshdick, in the There are many like it, but this one is mine. subreddit, 09 May 2013