acetylcholinesterase is a enzyme that destroys the acetylcholine after the muscle action. so as if this is not destroyed it remains in the muscle and prevents iits further action this is the action cause by acetylcholinesterase inhibitor. acetylcholinesterase inhibitor is one type of pesticide that cause same mechanism in insects and causes its death. but when person expose to such drugs it cause the above mention effect. treatment is you have to start with acetylcholine or thier congener. you should consult to nearby doctor for this.