[6 min] 1.5 times the medium intensity mode of those 4 minutes and 8 types of sit-ups. 6:17 | Traitement de la vidéo... Chargement... Télécharger
![[6 min] 1.5 times the medium intensity mode of those 4 minutes and 8 types of sit-ups.](https://i.ytimg.com/vi/FM8zE489Qd8/hqdefault.jpg)
