AI Article Synopsis
- Cryotherapy can reduce nerve conduction and muscle contraction, potentially impacting physical performance.
- After cold water immersion, the electromyographic response in key leg muscles showed a significant decrease in activity, lasting up to 30 minutes.
- Caution is advised in high-neuromuscular-demand activities following this treatment due to the observed residual effects.
Article Abstract
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.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4183238 | PMC |
| http://dx.doi.org/10.1590/s1413-35552012005000132 | DOI Listing |
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