About plank exercise results of 5,254
10:38
10:53
06:34
08:36
09:03
09:36
09:40
08:06
08:26
08:42
09:38
08:59
23:15
10:08
08:20
03:52
08:33
43:11
36:10
55:07
32:28
21:18
16:26
39:00
24:01
19:26
32:55
23:09
04:11
03:56
07:00
02:08
02:21
02:44
04:15
08:00
03:17
03:01
03:40
02:50
03:22
03:27
04:04
02:49
03:38
03:28