About plank exercise results of 5,236
20:59
25:13
18:52
18:41
15:00
13:03
18:08
18:23
14:33
14:51
18:35
21:44
16:04
14:40
19:06
17:12
30:14
16:46
22:33
15:07
24:25
15:17
14:59
06:32
16:40
17:18
15:17
19:37
19:36
14:29
12:24
22:35
23:38
28:55
34:56
11:55
28:08
13:54
12:21
14:48
18:42
15:50
29:14
19:31
22:11
16:50