GHD sit up
YOUR LINK HERE:
http://youtube.com/watch?v=RUpfFzOT37w
And if it's a stronger core you're after, then the GHD sit-up is a good addition to your core workouts, when done correctly. It fires up pretty much all the muscles in your core. #fitness #groupfitnessinstructor #gymroutine #gymexercise #positivevibes #love #motivation
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