Leg cramps can also be a symptom of the nervous system disorder multiple sclerosis. Some people with MS experience spasticity, which can include a range of involuntary muscle spasms and twitches, as well as leg cramps. Spasticity might feel like a mild tightness or tingling in the muscles to some people or more severe cramping and pain to others.
wrest definition: Wrest is to take something by force or with considerable difficulty. (verb) When your friend is holding very tightly onto the dollar bill in his hand and you grab and pull and tug it until you get it out of his hand and into yours...
Learner's definition of AVAIL. literary. : to be useful or helpful to (someone or something) [+ object] Our best efforts availed [=gained] us nothing. This knowledge availed her little. [=it was not very helpful or useful to her]