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Effects of vibration therapy on hormone response and stress in severely disabled patients: a double-blind randomized
J Seco1,2, V Rodríguez-Pérez1, A F López-Rodríguez1
1Institute of Biomedicine (IBIOMED), University of León, León, Spain.
Purpose:
To assess the effects of vibration therapy (VT) on quality of life and hormone response in severely disabled patients compared with placebo.
Design:
A longitudinal prospective, double-blind, randomized placebo-controlled trial, with pre and postintervention assessments.
Methods:
A total of 20 severely disabled individuals were recruited from a National Reference Centre in Spain: 13 (65%) men and 7 (35%) women, 45.5 ± 9.32 years of age (range 41: 22-63). We evaluated their physical stress and state anxiety.
Results:
No statistically significant changes were found in the socio-psychological variables studied, while in the experimental group state anxiety decreased significantly with p < 0.01 (Z = 2.38; one-tailed p = .009) and, among the biological variables, the level of cortisol fell (p = 0.03).
Conclusion:
Short periods of exposure to low-frequency and low-amplitude local vibration are a safe and effective mechanical stimulus that can have a positive effect in terms of hormone response.
Clinical Relevance:
VT can be considered to have an anti-stress effect.
