Are Planks Better Than Crunches for Abdominal Development?
Planks versus crunches: Is one better than the other for ab development? Find out why, ultimately, you need to do both!
October 29, 2017
Tag: Abdominal Development
Abdominal Development
Planks versus crunches: Is one better than the other for ab development? Find out why, ultimately, you need to do both!