Challenge Yourself (100 crunches a day for 2 weeks)
Crunches are a useful exercise when used in addition to a good diet and fat loss program to both strengthen your abdominal muscles and improve the appearance of your midsection.
The challenge is to do 100 crunches a day, every day, for two week. All varieties of crunches count towards the total. Time to get those abs!
100 crunches a day for 2 weeks Challenge rules
14 days have to be continous – no days off
You don’t have to do 100 in one go per day – you can take a break (but maybe build to 100 contnuous?)
Any kind of crunches count!
Not all types of physical activity are suitable for everyone. Users take Challenges and training advice at their own personal risk.
Source: http://tribesports.com
