Key Points
The cast trainer David Higgins who has been working with the producer and star of the movie, Margot Robbie, for years told GQ that he whipped the actors into Ken shape with full-body workouts involving weight-lifting and pilates...
There was no specific diet and certainly no cutting of carbs (because the actors needed the energy), but they were asked to cut out processed foods ("nothing that comes wrapped in plastic") and also did a form of intermittent fasting depending on their schedules, Higgins said...
Lift both legs up as high as you can keep them straight, slowly twist to the left then the right before lowering to the ground with control and repeat for a minute before switching to the right leg on top...
Perform the same crunch movement as above except with a diagonal twist with your hands gently resting behind your head and your elbows open wide, twist so your right elbow reaches towards your left knee before returning to the start position..
Lie on your back with your arms straight on the ground past your ears and your knees bent, feet flat on the floor..
