The Impact of Cold Water Immersion on Power Production in the Vertical Jump and the Benefits of a Dynamic Exercise Warm-up
Article - Merrimack Access Only
Journal of Strength and Conditioning Research
The purpose of this study was to examine the influence of a cold treatment and a dynamic warm-up on lower body power in the form of a countermovement vertical jump (CMVJ). Nine physically active men, who were either current or ex-National Collegiate Athletic Association (NCAA) Division 1 athletes, consented to participate in the study. Using a balanced, randomized presentation and a within-subject design, each subject performed 4 environmental and warm-up protocols (i.e., ambient temperature without warm-up, ambient temperature with warm-up, cold without warm-up, or cold with warm-up). Two sets of 3 maximal effort CMVJs were performed on a force plate at each testing time point. For each protocol, the subjects completed a pretest set of CMVJ (pretreatment [PRE]), were then exposed to 1 of the 2 temperature treatments, completed another set of CMVJ (initial [IT]), then either went through a 15-minute warm-up, or were asked to sit in place. Then a final set of CMVJs was completed (posttreatment [PT]). The primary finding in this study was that warm-up was effective in offsetting the negative effects of cold exposure on CMVJ power. There was a significant main effect for Time (PRE > PT > IT), and there was a significant (p ≤ 0.05) main effect for Trial (AMB = AMBWU > COLDWU > COLD). Because athletic competitions happen in various colder climates, it is important to make sure that a proper warm-up be completed to maximize the athlete's power output. The results of this study demonstrate that when athletes are exposed to cold conditions, it is recommended that before practice or play, a dynamic warm-up be employed to optimize performance.
Dixon, P. G.,
Kraemer, W. J.,
Volek, J. S.,
Howard, R. L.,
Gomez, A. L.,
Comstock, B. A.,
Fragala, M. S.,
Hooper, D. R.,
Maresh, C. M.
(2010). The Impact of Cold Water Immersion on Power Production in the Vertical Jump and the Benefits of a Dynamic Exercise Warm-up. Journal of Strength and Conditioning Research, 24(12), 3313-3317.
Available at: http://scholarworks.merrimack.edu/health_facpubs/11