About plank exercises results of 1,836
20:42
22:29
24:33
78:03
14:06
14:56
14:13
13:18
13:42
13:42
13:04
12:25
12:45
14:13
19:35
13:07
16:15
20:27
14:49
16:33
15:47
24:47
16:29
14:49
14:04
34:19
32:25
31:02
32:08
46:51
60:54
56:24
80:36
59:03
21:20
16:52
17:59
18:52
18:41
14:29
20:38
18:03
23:36
15:40
32:36
25:03