Vibration Massage, Static Stretching Exercise, Intradialytic Muscle Cramps and Stress

"* Initiation of the stopwatch with the onset of intradialytic muscle cramp,~* Taking a salivary cortisol test,~* Performing vibration massage with a vibration massage device for 10 minutes,~* Visual Analog Scale questioning every 2 minutes during intradialytic muscle cramp,~* Stopping the stopwatch as soon as the patient states that the intradialytic muscle cramp has ended,~* Repeat salivary cortisol test at 20 minutes from the onset of intradialytic muscle cramp."

"* Initiation of the stopwatch with the onset of intradialytic muscle cramp,~* Taking a salivary cortisol test,~* Perform static stretching exercise for 10 minutes,~* Visual Analog Scale questioning every 2 minutes during intradialytic muscle cramp,~* Stopping the stopwatch as soon as the patient states that the intradialytic muscle cramp has ended,~* Repeat salivary cortisol test at 20 minutes from the onset of intradialytic muscle cramp."

"* Initiation of the stopwatch with the onset of intradialytic muscle cramp,~* Taking a salivary cortisol test,~* Usual care,~* Visual Analog Scale questioning every 2 minutes during intradialytic muscle cramp,~* Stopping the stopwatch as soon as the patient states that the intradialytic muscle cramp has ended,~* Repeat salivary cortisol test at 20 minutes from the onset of intradialytic muscle cramp."