About plank exercises results of 1,836
14:16
39:44
24:20
24:39
24:19
59:23
42:14
13:45
13:56
14:05
17:02
13:21
21:23
13:22
14:56
12:55
15:39
13:51
09:23
16:48
10:35
13:39
16:36
14:09
15:02
16:10
13:28
13:49
20:57
15:15
15:28
13:21
14:07
15:25
14:52
20:30
24:08
37:15
31:41
28:13
30:18
26:41
39:49
20:33
49:13
26:12