Pilates legs and abs

So on Mondays I usually do Hiit but today I wasn`t in the mood so I did this : https://www.fitnessblender.com/videos/pilates-abs-butt-and-thigh-workout-pilates-workout-for-lower-body-and-core

My legs are shaking, it was so hard! Probably I will have some sore muscles tonorrow...