Cold water immersion of the ankle decreases neuromuscular response of lower limb after inversion movement
BACKGROUND: Cryotherapy has been associated with a significant decrease in nerve conduction velocity and muscle contraction with possible effects on exercise and physical training. OBJECTIVES: To quantify the electromyographic response of the lateral gastrocnemius, tibialis anterior, fibularis longus, rectus femoris and gluteus medius to ankle inversion following cold water immersion. METHOD: The peak values of the root mean square (RMS) were obtained from 35 healthy and active university subjects after the use of a tilt platform to force the ankle into 30° of inversion before, immediately after, and 10, 20, and 30 minutes after water immersion at 4±2°C, for 20 minutes. The Shapiro-Wilk test, repeated measures analysis, Bonferroni's post-hoc, and linear regression analysis provided the results. RESULTS: Peak RMS was significantly lower at all times after cold water immersion, with residual effect of up to 30 minutes, when compared to pre-immersion for all muscles, except for immediate post-immersion for the gluteus medius. CONCLUSIONS: After cold water immersion of the ankle, special care should be taken in activities that require greater neuromuscular control.
Main Authors: | Macedo,Christiane S. G., Alonso,Carolina S., Liporaci,Rogério F., Vieira,Fernando, Guirro,Rinaldo R. J. |
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Format: | Digital revista |
Language: | English |
Published: |
Associação Brasileira de Pesquisa e Pós-Graduação em Fisioterapia
2014
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Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1413-35552014000100093 |
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