掌根 meaning in Chinese

heel of hand
the base of palm

Operation : the performer puts his palm on “ ba liao ” , rubbing repeatedly , and then rubbing “ zhang qiang ” with root of paim after “ ba liao ” warmed
操作：施术者用掌，着力于八?处，往返揉搓，待局部温热后，再用掌根推揉长强。
Main point : when butterfly circle , along with proper order small “ yu ji ” root of palm , big “ yu ji ” and four fingers with slow and sort strength
要领：蝶转时，着力点依小鱼际，掌根，大鱼际，四指端的顺序周旋，要缓慢，柔和。