partial contraction造句

When this occurs the same amount of neurological input creates a greater firmness or tone in the resting continuous and passive partial contraction in the muscle.
In anatomy and physiology, as well as medicine, the term " muscle tone " refers to the continuous and passive partial contraction of the muscles, or the muscles'resistance to passive stretching during resting state as determined by a deep tendon reflex.
It's difficult to find partial contraction in a sentence. 用partial contraction造句挺难的