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Article type: Research Article
Authors: Mattacola, Carl G.a; *; ** | Perrin, David H.a; ***
Affiliations: [a] University of Virginia
Note: [*] Doctoral Student in Sports Medicine, University of Virginia, Charlottesville, VA 22901.
Note: [**] Address reprint requests to Carl G. Mattacola, Hampden-Sydney College, Hampden-Sydney , VA 23943.
Note: [***] Associate Professor and Director, Sports Medicine/Athletic Training Research Laboratory and Graduate Athletic Training Education, University of Virginia, Charlottesville, VA 22901.
Abstract: Cold (cryotherapy) is commonly applied to an athlete immediately before and/or after sports participation. The purpose of this study was to determine the effect of cold water submersion (CWS) on isokinetic strength of the plantar flexor muscle group. Eleven women and five men (mean age 22.1 years, height 170.8 cm, weight 64.5 kg) with no history of ankle joint pathology were tested for peak torque, average power, and total work of the dominant foot at 60 deg/sec with a Cybex II isokinetic dynamometer. Before isokinetic testing subjects were randomly assigned to either CWS or an inactive rest period (RP). Subjects returned 1 week later to receive the opposite treatment and undergo isokinetic testing. The CWS consisted of placing the leg in a 15° C tub of water for 20 minutes. The RP consisted of remaining seated for a 20-minute period. Paired t tests were computed to determine if any differences existed in peak torque, average power, and total work between the CWS and RP conditions. Results indicated concentric isokinetic strength values were lower after CWS for peak torque, average power and total work of the plantar flexor muscle group. These findings indicate that concentric isokinetic torque, power, and work of the plantar flexor muscle group are reduced immediately after CWS. Further research should be undertaken to determine the length of time isokinetic output is reduced before returning to normal responses after CWS is present.
Keywords: Cold water (cryotherapy), plantar flexors, isokinetic concentric assessment
DOI: 10.3233/IES-1993-3305
Journal: Isokinetics and Exercise Science, vol. 3, no. 3, pp. 152-154, 1993
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