About plank exercise results of 5,237
13:18
17:32
28:16
29:30
03:32
03:27
03:37
04:05
03:44
04:30
07:33
03:39
07:04
04:12
06:43
03:10
06:37
04:11
50:13
01:07
01:38
16:04
56:15
11:51
00:42
01:06
00:43
17:20
01:01
00:46
00:53
01:07
16:09
10:27
08:20
08:53
10:29
08:41
06:10
09:59
09:16
07:06
07:13
07:19
05:31
07:33