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LEC358 SparkPoints: (11,135)
Fitness Minutes: (6,555)
Posts: 2,744
6/10/13 11:52 A

Given I've seen friends herniate disks doing crunches, none. 4X1min planks though!

DIDS70 Posts: 5,368
6/10/13 8:55 A

none. I do planks. If i want a real challenge, I use the TRX at my chiro's office.

DRAGONCHILDE SparkPoints: (61,458)
Fitness Minutes: (15,905)
Posts: 9,717
6/9/13 6:21 P

None. Crunches are not a part of my daily routine, and if I do core work I prefer exercises like planks instead.

GRANDMAFRANNY SparkPoints: (394,072)
Fitness Minutes: (234,083)
Posts: 6,713
6/9/13 3:07 A





HOW MANY DO YOU DO EVERYDAY ????????????????

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