Why Sit-Ups are a Terrible Exercise for your Back. Do this instead! Bob & Brad 5:33 8 years ago 100 193 Далее Скачать
Why sit-ups are a terrible exercise for your back. Sit ups are a waste of time. Stop doing sit-ups James Tang Fitness 3:52 3 years ago 1 267 Далее Скачать
Why Sit Ups Are Bad Exercise to Reduce Belly Fat – Exercise for Belly Fat – Dr. Berg Dr. Eric Berg DC 2:21 8 years ago 210 250 Далее Скачать
Decline Sit-Up. Anatomy, kinesiology and common mistake. Muscle and Motion 0:55 7 years ago 321 808 Далее Скачать
Sit Ups Are A Waste of Time (Do THIS Instead) Calisthenicmovement 4:02 6 years ago 4 522 315 Далее Скачать
Day 22 of doing the One Punch Man Workout! (Ep. 37) David Kloepper Wellness 3:40 1 day ago 50 Далее Скачать
Why Ab Workouts Are A Waste Of Time (DO THIS INSTEAD!) Sean Nalewanyj 10:05 3 years ago 3 453 381 Далее Скачать
Ab Curl - No More Lower Back Pain With Situps or Crunches Dr Jess Harvey, Reg Osteo. Head 2 Toe Health 3:05 6 years ago 7 252 Далее Скачать
3 core ab exercises better the crunches and sit ups | Are crunches bad for your back Jeffrey S. O'Guin D.C. 7:18 7 years ago 13 635 Далее Скачать
