Background: Breast cáncer is a scary disease for women since the overgrowing of breast cell will
créate the bump in the breast. Breast cáncer patiens can not recover 100% eventhough they have
done the surgery. The frequency complaint which appears on breast cáncer patients after doing
surgery is the pain. Thus,special treatment is needed this problema. The relaxation program
focused in the mind makes the respondents feel calm and the pain is also reduced.
Objective: The aim of the research was know the effect of giving progressive to pain intensity on
breast cáncer patients post mastectomy surgery in RSUD Prof. Dr. Margono Soekarjo Purwokerto.
Method: Theresearch used quasi experimental design with pretest-posttest draft in two groups. The
sample were taken using accidental sampling technique with 38 respondent who are divided into
two groups, action group 19 respondents and control group 19 respondents. The instrument of this
research was Numerical Rating Scale (NRS).
Result: Based on the result of the research using Wilcoxon Signed Rank Test, it can be obtained the
value of p 0,000 (p<0,05), Z arithmetic = -3,938 > Z table = -1,96. Statistic test Man Withney U
value p 0,000 (p<0,05), Z arithmetic = -5,218 > Z table = -1,96.
Conclusion: Therefore progressive relaxation can be applied in nursing intervention to overcome
the paintl.

Keywords: progressive relaxation, paintful intensity, post mastectomy surgery.