About plank exercise results of 5,171
19:00
22:30
22:14
16:49
28:49
19:39
20:16
18:02
18:37
18:53
15:36
23:19
21:05
17:12
22:25
24:27
20:10
24:42
23:44
16:24
19:18
25:26
15:47
23:24
79:28
14:33
26:40
14:42
69:26
15:10
23:29
33:47
32:55
18:15
14:59
28:30
21:53
14:50
25:02
21:33
16:48
19:45
14:34
19:15
21:01
71:18