I did like 8 of these yesterday, and focused on having really good form like this girl does, and I woke up with sore abs today. After just doing 8 of these. Yeah I think they work.
Yep these work really well ouch :)
@fitnessofinsta: Abs 😍💞 @msbrittanyduet
fitness blog :)
Dinner! Had two huge bowls!!! (24 oz romaine, 22 tomatoes, 5 mangos)