About plank exercises results of 1,836
18:18
63:09
28:07
21:13
17:58
20:53
25:26
17:25
20:25
19:53
17:42
52:26
60:31
56:12
38:53
64:36
22:25
23:59
23:59
21:32
17:45
24:19
20:04
18:27
35:53
19:24
21:14
23:23
24:32
20:06
19:12
84:32
81:45
81:09
46:21
78:35
50:06
37:54
25:16
24:38
25:47
47:18
21:54
28:32
18:43
27:28