About plank exercise results of 5,245
02:10
18:19
01:56
01:59
07:31
02:38
02:05
02:06
02:18
02:49
02:20
01:43
02:19
01:45
02:25
02:24
02:08
01:59
07:09
08:06
06:48
07:37
05:13
08:29
07:34
05:37
07:28
06:22
05:16
10:36
08:56
06:43
05:43
07:00
07:11
06:48
07:38
07:03
07:32
08:02
07:18
10:08
06:35
06:21
05:45
04:32