Best abdominal core workouts by Darebee & NeilaRay for stronger abs, allowing you to implement much more variety than your traditional sit-up. Boxer abs aren't only a great way to mix up your workout, but is the best way to build up those abs!
I did this challenge and i started seeing results in my tummy fat each week. I did have a little difficulty doing the spider man plank so i just substituted it with each plank before that one. I challenge each of you to challenge y