HotNewHipHop50 Cent Covers Muscle & Fitness For His 40th BirthdayHotNewHipHopThough he was a bit chunkier in his early days, the mainstream's introduction to 50 Cent came with him doing chin-ups and running on a treadmill in the "In Da Club" video. While ten years have passed since then, and plenty of money has flowed his way, ...