New Subscribers, enroll now in the Brennen Fitness 21-Day Core challenge for beginners. Each workout incorporates only one exercise into your daily routine. The program is designed to build abdominal strength, tone, slim your waistline, and improve posture. Completing the 21-day challenge will earn you one month free of online personal training, which is a value of $400. The program is hosted on the Brennen Fitness Smartphone app, which you will use to log your daily challenge. Only those that successfully log 21 days, will earn the free month of training. Click the link below to enroll now.