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The 6 Stretches For Anyone With Tight Hamstrings
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GUbar GUbar 2 years

I wish Anna would do a 10 or 15 minute video for plank variations.

Susi-May Susi-May 4 years
@calio79 I think you should hold each plank for at least 30 seconds, but aim for a minute. And do at three reps.
calio79 calio79 5 years
How many plank holds do you do in one workout to make it worthwhile?
Rotaugiam Rotaugiam 5 years
Simple effective exercise.
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