About plank exercises results of 1,835
02:05
08:36
09:16
18:52
20:37
14:30
15:11
11:27
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06:07
11:01
05:33
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17:18
07:51
16:05
12:25
17:01
08:06
03:06
07:35
08:31
06:35
27:55
06:45
05:44
02:03
12:23
05:46
06:05
07:16
05:58
12:42
08:47
08:00
11:33
03:12
15:46
45:24
02:12
08:36
07:18
05:50
00:46
03:30
03:06