About plank exercise results of 5,170
37:15
31:39
33:11
24:21
33:17
107:08
28:13
31:10
35:45
30:48
30:25
148:58
25:42
31:49
44:26
31:31
26:31
34:20
34:48
43:09
38:42
33:29
23:55
33:29
52:23
30:03
38:49
36:43
31:17
28:11
36:15
27:04
40:10
20:29
315:56
59:31
54:07
94:47
71:49
95:39
70:54
17:31
94:59
34:14
35:42
32:03