What's the plank effect?

Diet

What's the plank effect?

I was wondering where it was trained.

Arm? Shoulder? Butt?


  86 4   7 years ago

pu1. We usually call it full-body core exercise


2017-12-15

pu2. It's a full-body workout. It's called core muscles. It's for inner muscles


2017-12-15

pu3. I'm working on my abs


2017-12-15

pu4. Thank you!!


2017-12-15


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