such as http://30dayfitnesschallenges.com/30-da ... challenge/
I've started doing it because my gym doesn't have much for abs. It's crazy hard for me. I did 35sec 2 hours ago and I can still feel it! I've added that and dips (I think that's what they're called--to tone my upper arms) to the resistance training I do at the gym. I should probably add push ups, too, more for wrist therapy than anything...
I've started doing it because my gym doesn't have much for abs. It's crazy hard for me. I did 35sec 2 hours ago and I can still feel it! I've added that and dips (I think that's what they're called--to tone my upper arms) to the resistance training I do at the gym. I should probably add push ups, too, more for wrist therapy than anything...