About plank exercise results of 5,236
16:32
16:22
18:41
14:00
18:32
17:16
19:57
18:20
15:36
21:27
17:09
16:19
15:43
15:33
16:10
24:38
16:25
16:02
24:50
24:24
14:31
14:10
14:05
17:50
16:13
38:48
60:57
37:17
55:14
44:48
95:47
24:46
66:26
34:23
48:56
68:17
13:43
22:30
16:49
28:49
19:39
20:16
18:02
18:37
18:53
15:36