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ERIC Number: EJ980273
Record Type: Journal
Publication Date: 2010-Jun
Pages: 6
Abstractor: As Provided
ISSN: ISSN-0270-1367
Changes in Landing Mechanics after Cold-Water Immersion
Wang, He; Toner, Michael M.; Lemonda, Thomas J.; Zohar, Mor
Research Quarterly for Exercise and Sport, v81 n2 p127-132 Jun 2010
The purpose of this study was to investigate the influence of cold-water immersion on kinematics and kinetics during a drop-landing task. On four separate occasions, 9 men performed drop-landings from a 0.6-m platform to a force platform following 30-min immersion to the hip-joint in thermoneutral water (control; 34 [degrees]C) and in cold water (20 [degrees]C) to the ankle (low level), knee (medium level), and hip (high level) joints. Sagittal plane kinematics and kinetics were determined. One-way repeated measures multivariate analysis of variance was used for statistical analysis. Compared to the control, the low-level condition had similar joint mechanics, the medium level showed 26% less ankle mechanical work (p = 0.003), and the high level showed 9% less vertical ground reaction force (p = 0.025) and 23% less ankle mechanical work (p = 0.023) with 18% greater trunk flexion (p = 0.024). In summary, the low-level cold-water immersion had no effect on landing mechanics. The medium- and high-level cold-water immersion resulted in a reduction in impact absorption at the ankle joint during landing. The increased trunk flexion after high-level immersion helped dissipate landing impact. (Contains 3 tables and 1 figure.)
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A