Relief for Specific Areas of the body.
When muscles ( *& other soft tissues) are overused,
3-types of problems might create this result: *
Acute conditions such as pulls, tears, muscle spasms.... *
Small tears resulting from repetitive motion,
aka micro-tears, * or a lack of oxygen to the injured area. 
Your body responds to these occurrences by producing tough, dense scar tissue
in your problem areas.
This scar tissue restricts healthy tissues, by preventing them from moving freely.
As more scar tissue builds, your muscles weaken and become shorter,
nerves can become trapped,  and the tension that is  placed on the tendons
might even cause tendon inflammation or tendonitis. 
Eventually, all of this leads to a reduced Range Of Motion,
loss of strength, and pain. In some cases a nerve can become trapped,
so you might experience tingling, numbness, and weakness as well.