The app I chose was called "30 Day Ab Challenge" by 30 Day Fit Body ... The first day's exercises were just 15 sit-ups, five crunches, five leg raises, and a 10-second plank.

Time to work some midsection magic: Our 4-week abs challenge is your blueprint ... you’ll have one ab exercise to do each day, finishing with a 15-minute workout combining all the moves on ...

Sit down on the floor with your knees bent, feet together, and feet planted. Hold a yoga block or light weight in front of ...

Plus, it’s a great way to engage multiple muscle groups at once, including your abs, back, glutes and shoulders ... This isn’t your typical plank challenge. Yes, we will be doing a plank every day and ...

The ab challenge targets your core with exercises ... Start with one pull-up and add another each day. By day 30, aim for 15-20 pull-ups. This challenge is great for developing back, shoulder ...

Working dumbbells into some of the exercises in this routine from trainer Britany Williams, will add resistance to your ...

Baseball America digs into the numbers to uncover how robo ump strike zones have affected different types of minor league ...

Arbaz Patel undergoes a 40-day body transformation challenge post-SplitsVilla ... On alternate days I do abs. In the evening, ...

Another week, another plank challenge — we ... hold for 15-30 seconds on each side if you’re opting for a star plank, and ...

Matt Snyder: I like using ABS as a hitter challenge system ... which is a ridiculously difficult job with the naked eye in this day and age. Get them help while also realizing they are good ...