HOW TO DO A SIT UP / SIT UPS FOR BEGINNERS Fitness For Transformation 1:37 4 years ago 670 130 Скачать Далее
Crunches vs Sit Ups: which one is best and how to do it Get Exercise Confident 2:56 6 years ago 3 031 949 Скачать Далее
Decline Sit-Up. Anatomy, kinesiology and common mistake. Muscle and Motion 0:55 7 years ago 313 456 Скачать Далее
How to Do Sit-Ups Without Hurting Your Tailbone : Exercise Techniques eHowFitness 2:03 11 years ago 186 468 Скачать Далее
If You STRUGGLE with Sit-Ups, Try THIS Easy Trick! Training Tall 0:45 3 years ago 302 308 Скачать Далее