About plank exercises results of 1,837
11:54
13:42
12:04
12:21
11:38
11:02
10:41
11:14
16:26
19:53
04:43
06:15
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07:03
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07:28
07:23
05:43
04:53
04:23
06:35
06:20
08:25
05:46
05:26
05:20
05:38
07:02
05:34
05:07
05:13
05:58
05:43
05:02
12:00
19:33
12:07
11:08
24:13
04:54
05:23
05:08
06:24
06:37
05:51
07:19