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 Zero Food Waste Apr. 11, 2024 Read More The Difference Between Mobility & Stability (And Why Both Are Essential) Apr. 08, 2024 Read More Unlocking Your Potential: The Benefits of Using a Pre-Workout Powder Apr. 04, 2024 Read More Natural Mental health and Physical Health with Ashwagandha Mar. 20, 2024 Read More Make your own Healthy & Delicious Chocolate Nutella Spread Mar. 09, 2024 Read More