Learn how to do combo plank abdominal exercises from an expert in this free fitness video on abdominal exercises.
Expert: Katie Bowers
Bio: Katie Bowers is a nationally certified fitness instructor and personal trainer with over 8 years experience. Being a dancer and a former gymnast, she knows how important stretching is for muscles.
Filmmaker: Louis Nathan
her elbows freak me out
jmacsween 3 years ago 6
Blinnx56 you are disgusting
rializzz 3 years ago 2