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Stability Ball Knee-Lift Crunch (713%) | 2007-03-20 | |
Alternating Knee-Lift Crunch (706%) | 2007-03-19 | |
Knee-In Crunch with Medicine Ball and Rotation (648%) | 2007-03-20 | |
Knee-In Crunch with Medicine Ball (645%) | 2007-03-20 | |
Hard Core - Exercises to Strengthen Your Abs For Better Performance (397%) | 2005-05-03 | |
Stability Ball Hand Opposite Knee Crunch (349%) | 2007-03-19 | |
Alternating Knee Crunch (344%) | 2007-03-19 | |
Core Exercises #2 (339%) | 2014-01-14 | |
Legs on Stability Ball Crunch (333%) | 2007-03-19 | |
Core Exercises #1 (326%) | 2014-01-14 | |
Core Exercises #6 (323%) | 2014-01-14 | |
Core Exercises #3 (313%) | 2014-01-14 | |
Core Exercises #4 (311%) | 2014-01-14 | |
Crunch - Legs on Bench (307%) | 2006-06-27 | |
Stability Ball Streamline Knee Crunch (307%) | 2007-03-20 | |
Core Exercises #5 (295%) | 2014-01-14 | |
Wide Knee Crunch (288%) | 2007-03-20 | |
Oblique Crunches (272%) | 2006-06-27 | |
Reverse Crunch (272%) | 2007-03-20 | |
VIDEO: Strength Training at Home (256%) | 2007-12-04 | |
Straight Arm Crunch (246%) | 2007-03-19 | |
Seated Crunch-Leg Pull-In (234%) | 2006-06-21 | |
Seated Crunch-Twist (234%) | 2006-06-21 | |
A Crash Course in Turning on your Bike! (227%) | 2014-08-26 | |
Core Strength Training for Triathletes (217%) | 2005-03-21 | |