057 GFG 10 Flat Stomach Alternatives to Crunches
Get-Fit Guy - Podcast tekijän mukaan QuickAndDirtyTips.com - Tiistaisin
The 10 exercises that will give you flat abs without doing a single boring crunch. For shownotes, a free newsletter, and more, go to http://getfitguy.quickanddirtytips.com
