But focusing on just one type of motion tends to cause some muscle groups to become stronger and tighter at the expense of other muscle groups — leading to injuries. (drhipandknee.com)
Just like other muscles in your body, the older you get, the more help you need to keep the colon muscles strong and functioning properly. (liveinthenow.com)
The problem with a lot of other muscle supplements is that they are pumped full of chemical and synthetic ingredients that really are not designed to be used on the human body. (brutegains.org)