Mirja E 1590 / 1000; 1 / 3
This is a straight forward one - complete a sum of 1000 crunches a week for 3 consecutive weeks. Try to vary the type of crunches that you do for the best results. There are a few suggestions in this guide: http://tribesports.com/challenges/100-crunches-a-day-for-14-days/guides/6-types-of-crunches
1000 mixed crunches per week for 3 weeks Challenge rules
- complete a minimum of 1000 crunches per week
- do this consecutively for 3 weeks
- Not all types of physical activity are suitable for everyone. Users take Challenges and training advice at their own personal risk.
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Tamara A encouraged this.
Mark R encouraged this.
Why not ask for some advice from other Challenge takers, or read some of the Challenge guides first?OK, I'll keep working at it!
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