[8 minutos intensivos] 2,5 vezes a intensidade desse modo abdominal 4 minutos 8 tipos de modo super
9:28
Completed 2.5x ver for back muscles! [Concentrate for 8 minutes, do it for 3 days, rest for 1 day]
6:17
[6 min] 1.5 times the medium intensity mode of those 4 minutes and 8 types of sit-ups.
4:55
【4min 4 weeks】Japanese abs workout
5:32
【4分集中】背筋を鍛える８種トレーニング
10:44
[subtitled]Increased range of motion in the hip joints really changes the way you run!
9:35
【9 min】6 Pack Abs Workout
5:53
[subtitled]1.5x version of training for back muscles (once every 2 days)
7:30