Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Leg cramp symptoms
Systematic review	People with leg cramps Data from 1 RCT	Mean number of cramps last 4 weeks of 12-week follow-up 10.02 with calf muscle stretching 'standing' 8.83 with passive non-stretching 'lying' exercise (placebo stretching)	Mean difference +1.19 95% CI –5.86 to +8.25 See Further information on studies		Not significant