About plank exercise results of 5,171
06:10
09:59
09:14
15:56
08:25
06:59
08:51
10:48
07:01
06:47
07:49
07:45
05:21
04:03
03:56
04:33
05:00
05:16
46:09
03:24
02:17
07:08
15:32
16:37
11:59
10:02
17:02
15:48
12:44
00:16
22:17
09:56
12:13
16:15
08:00
04:41
06:16
04:53
05:39
07:23
03:04
02:45
05:17
08:12
07:08
05:35