Time: 1 minute
Areas worked: Stomach
Equipment needed: None
Don’t go for crunches of any kind,” Anderson tells PEOPLE. “Instead you need to flip yourself over and be in a plank position to really engage your core. Try alternating knee tucks in a plank position. You’ll see more results that way, then trying to achieve from the back up.”
As number of reps aren’t given I would do 20 of these.