Approximately how many calories are burned within this group of excercises?

20 crunches

20 bicycle crunches

10 leg raises

10 flutter kicks

12 v ups

20 push ups

10 twists

30 second plank

How many for 4 reps?

Submitted August 28, 2018 at 11:55PM by leon23456 https://ift.tt/2BWviUP