This single-center, parallel-group randomized controlled trial aims to evaluate the effect of a nurse-led intradialytic stretching program on the burden of muscle cramps in patients receiving maintenance hemodialysis (HD). Sixty adult patients on thrice-weekly HD with a history of lower-limb cramps will be randomized 1:1 to either an intervention group or a usual care control group. The intervention consists of a standardized protocol of supervised lower-limb stretches (ankle dorsiflexion, gastrocnemius, soleus, and hamstring stretches). Each stretch will be held for 20-30 seconds and repeated three times per limb. The protocol will be delivered by HD nurses during dialysis sessions, twice a week for a total of 15 sessions over approximately eight weeks. Fidelity will be monitored using a structured checklist. The control group will receive routine care without structured exercises. The primary outcome is the post-intervention cramp intensity category, measured using the Arabic Muscle Cramp Severity and Characteristics Questionnaire (MC-SCQ). Secondary outcomes include cramp frequency, duration, pain intensity, leg temperature perception, and discomfort/functional interference.
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Post-intervention muscle cramp intensity category
Timeframe: 8 weeks