This high-intensity exercise engages your abdominal muscles with a new and innovative approach to a regular knee tuck. Put your exercise ball in an open area. You should have plenty of free space to move around, and all sharp/heavy objects... Tags: WikiHow, Do a Stability Ball Knee Tuck, wiki, how to articles, how to instructions, DIY, tips, howto, learn, how do I
Posted: 9 years, 5 month(s) ago
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