Marzia Prince TRX Crunch Workout Apr. 04, 2013 Fitness trainer and expert, Marzia Prince, uses a suspension training system to do TRX crunches. These will have your abs humming in minutes. You can also use TRX suspension training to work your upper body, lower body, core, and even do cardio. Featured Blogposts 7 Ways to Prepare for a Healthy Fall Season Sep. 21, 2023 Read More Creatine: the Game-Changer in Your Sports Performance Sep. 14, 2023 Read More 14 Smart Foods Swaps: Making Healthier Choices Aug. 30, 2023 Read More 11 Foods to Relieve Menopause Symptoms Aug. 25, 2023 Read More 9 Potent Foods to Power Your Exercise Routine Aug. 18, 2023 Read More