About plank exercise results of 5,238
16:59
17:20
12:13
13:20
11:12
12:36
14:07
14:15
12:22
14:14
17:02
13:51
14:55
20:21
17:02
22:16
13:39
13:20
13:11
16:31
10:40
18:04
15:14
15:22
10:40
12:40
11:19
13:51
12:35
11:48
14:48
14:14
13:21
16:43
13:31
16:05
13:23
13:22
22:24
120:18
49:56
24:15
32:51
34:53
20:54
30:28