Since there are 2 sides to a side plank. How should we count the total? 1) 60mins/side and a total of 120mins or 2) 30mins/side and a total of 60mins
Since there are 2 sides to a side plank. How should we count the total? 1) 60mins/side and a total of 120mins or 2) 30mins/side and a total of 60mins
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