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J Athl Train. 1993 Winter; 28(4): 320–323.
PMCID: PMC1317735

Cryotherapy and Sequential Exercise Bouts Following Cryotherapy on Concentric and Eccentric Strength in the Quadriceps

Daniel H. Ruiz, MS, ATC
Daniel H. Ruiz is Assistant Athletic Trainer at West Virginia University, Morgantown, WV 26506.
J. William Myrer, PhD
J. William Myrer is Associate Professor of Physical Education at Brigham Young University.
Earlene Durrant, EdD, ATC
Earlene Durrant is Professor of Physical Education and Director of Athletic Training at Brigham Young University.


We investigated the effects of cryotherapy followed by sequential exercise bouts on concentric and eccentric strength of the quadriceps. Nineteen males (18-27 years) participated in a two-stage design involving four sequences: ice and exercise, ice and rest, no ice and exercise, and no ice and rest. We gathered concentric and eccentric strength measures (torque) using a kinetic communicator (KIN-COM) prior to exercise, immediately following treatment, and 20- and 40-minutes post-treatment. There were significant decreases in concentric and eccentric strength immediately following the 25-minute cryotherapy treatment. This suggests that applying ice immediately prior to participation or returning an athlete to competition immediately following cryotherapy treatment may adversely affect his/her ability to perform. It appears that the reduction in strength following cryotherapy is of short duration (less than 20 minutes). The delayed effect of the ice treatment and sequential exercise appears to affect concentric and eccentric strength differently. Ice did not have a delayed effect on concentric strength, but there was a significant difference in eccentric values. This difference was a failure to improve during post-tests at the rate of those not treated with ice. Exercise did not have a significant effect on eccentric strength recovery, but there was a significant difference in concentric values. Moderate exercise following cryotherapy appears to help the recovery of concentric strength.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.
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