Sitting on a yoga ball to stretch is great fro your core strength. squeeze your muscles tight

0
0
06:00
11:59
05:00
07:06
44:09
12:59
03:30
22:42
05:10
09:27
11:40
06:10
07:08
06:05
12:14
08:01
11:01
33:15
13:50
17:34
28:57
15:50
15:08
05:00
08:21
05:13
20:16
12:25
12:11
08:00
14:54
10:10
07:00
07:46
06:51
04:57
11:22
20:43
06:44
10:11