Plank exercise time

Diet

How long do I have to do a plank? It's hard to hold out for 30 seconds once I do it


  624 3   7 years ago

pu1. It's always like that at the beginning. If you keep doing it, it gets better


2017-12-03

pu2. If you do five sets a day, you can continue to increase the time. Fighting!


2017-12-03

pu3. Thank you


2017-12-03


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