Tennis elbow II

Muscles/tendons/ligaments are controlled by energy of Wind.
This energy also controlls liver and gall bladder.
To strengthen ligaments system in general one can work on liver and gall bladder zones:

Standard Correspondence system
on palm, liver and gall bladder
zones.

The Insect System on every finger except thumb
(there it is a bit different)

Treatment was described earlier; most obvious is massage by finger or any massage tool.