Sentences with phrase «ball jackknife»

There are some stability ball exercises that are good, and some that are not recommended, but ones like the stability ball jackknife are a true total body ab exercise you can do at home.

Throw in a push - up between reps.. That would be the stability ball jackknife push - up combo and it's «good times».

With his beginner clients he needs to start with the ab plank movements, and a great mid-level intensity ab exercise is the stability ball jackknife.