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- Title
Therapeutic heat and cryotherapy increases knee range of movement on hamstring muscles of healthy volunteers.
- Authors
Minussi Ananias, Bethânia; Braghiroli, Fernanda Lega; Prudêncio, Diego Ailton; Buzzi da Silveira, Carolina; Sanada, Luciana Sayuri; Okubo, Rodrigo
- Abstract
Purpose: To investigate the effects of heat (surface and deep) and cold on the range of motion of the knee. Methods: A total of 40 volunteers were randomly allocated into four groups, with 10 participants in each group. The control group had no intervention, the infrared group received an application of surface heat conducted through an infrared device, the shortwave group received deep heating through a shortwave device, and the cryotherapy group had ice packs placed on them. A blind measurer performed the flexibility evaluation using a goniometer coupled to a board that evaluated range of movement of the knee. Data were statistically analysed by one-way analysis of variance and Tukey's comparison (for comparison between groups) and paired t-student tests (for before and after comparisons) to determine differences between groups, with a significance level of p<0.05. Findings: The infrared, cryotherapy and shortwave groups showed an increase in the range of motion compared with the control group. It was observed that the control and infrared groups showed no significant differences before and after application (p>0.05). However, the cryotherapy and shortwave groups demonstrated an effective increase (p<0.05). Conclusions: The three heating and cooling techniques caused a favourable increase of range of movement compared with no intervention. However, the shortwave and cryotherapy interventions were more effective in increasing the knee joint's range of motion.
- Subjects
COLD therapy; HEAT; RANGE of motion of joints; STATISTICS; T-test (Statistics); DATA analysis; HAMSTRING muscle; ONE-way analysis of variance
- Publication
International Journal of Therapy & Rehabilitation, 2017, Vol 24, Issue 12, p528
- ISSN
1741-1645
- Publication type
Article
- DOI
10.12968/ijtr.2017.24.12.528