Use the V-sit exercise to tighten up those abs. Learn about abdominal exercises in this free fitness video.
Expert: Kyle Brayer
Bio: Kyle Brayer is a certified trainer and a sports conditioning specialist. He is also the owner of Epic Fitness and a former U.S. Marine.
Filmmaker: Dustin Daniels
this is a great demonstration thanks
Mathiue789 3 months ago
Kerry here is sitting on her...er.......Glutes....good rescue K man.
NonLocalYokel 11 months ago
not really.. ive done this for quite a while now
brotha01 2 years ago
does this give lower back pain
lacirca 3 years ago