Plank Variations | Prone Iso abs | Core Training by webguy | Sep 21, 2009 | Uncategorized | 0 comments Click to Play Plank Exercise, Learn how to train your core with Scott White: https://www.personalpowertraining.net join health and fitness website: http://www.myweightworld.com Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.