San Francisco — The Feb. 17 episode of NBC's “The Biggest Loser Couples” featured Fitness Anywhere's TRX Suspension Training equipment. Bob Harper, one of the show's trainers, used the TRX indoors and outdoors, highlighting the portable qualities of the system. “Being a trainer on ‘The Biggest Loser,’ my workouts have to be effective and on the cutting edge,” Harper says. “Thanks to the TRX, I got some really great workouts with my contestants this season.”