The charges are not indicated in order to let you the choice to adapt them according to the number of repetitions requested. (ex: if 10 repetitions are required, choose a weight that allows you to perform them)
Session of 10 minutes focus abs by chaining 10 non stop exercises twice in a row. It aims to work abs as much as possible in the shortest time for people who have little time.
Leave at least one day of rest between to sessions.
30 seconds stopwatch per exercise and go directly to the next without pause :