Effectiveness of music therapy and progressive muscle relaxation in reducing stress before exams and improving academic performance in Nursing students: A randomized trial.

Background: Nursing students experiencing high stress levels before exams could suffer worse academic performance.
Objective: We evaluated an intervention combining Progressive Muscle Relaxation (PMR) and music therapy on the decrease of before exams stress and the improvement of academic results.
Design and Methods: Randomized controlled trial including students from the Nursing Degree during the first semester of the 2017-2018 academic year. All participants were randomized to the control (CG) or the experimental group (EG). The CG took the exam as usual whereas in the EG, PMR and music therapy were performed before exams. Blood samples were drawn to investigate variations in biochemical parameters. The academic performance was assessed by the score obtained in the "Clinical Nursing" exam.
Results: We included 112 students (75% females, mean age 24.3 ± 6.2 years, 56 students in every group). There were no differences in any parameter during the first measurement. Regarding the second measurement, we observed a reduction in heart rate for the EG and an increase in blood pressure, heart rate, and cortisol for the CG. Indeed, these parameters were significantly higher compared to the EG. The EG had a mean score of 5.07 ± 1.59 in the Clinical Nursing exam, which was significantly higher compared to the CG (4.42 ± 1.58, p = 0.033). The proportion of fails in the CG was also higher (62.5% vs. 42.9%, p = 0.037).
Conclusion: In this study including students from the Nursing degree, the combination of PMR and music therapy was effective for the control and decrease of stress before exams, and also demonstrated improvements in academic results.
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