Throughout this research, strategies such as cold water immersion (CWI) or contrast water therapy (CWT–which encompasses periods of alternate hot and cold water exposures) have been used to optimize an athlete's recovery from exhaustive and muscle damaging exercise, with mechanisms such as analgesia, hydrostatic pressure, and the action of a muscle pump reported as possible rationale for benefit ( 22). The increased demand for optimal postexercise recovery has led to a wealth of research investigating the influence of such a practice on the acute-phase response ( 5,17,18), markers of muscle damage ( 5,17,18), perceptual ratings of well-being ( 5,14–18,20), and subsequent athletic performance ( 5,14–18,20). The use of hydrotherapy as a recovery modality is now a common practice during the initial postexercise period for athletes. However, strength and conditioning specialists should encourage the use of a structured postexercise recovery procedure because the evidence suggests that the acute perception of recovery is much greater when some form of intervention is implemented in comparison with no recovery procedure at all. These results suggest that a 30-minute recovery intervention using CWT or HYP has limited influence on the acute-phase response or on improving subsequent day athletic performance. GAS INHALE MR CONTRAST TRIALHowever, there were no differences in the 12-hour postrecovery time trial performances. Additionally, the perception of recovery after the 30-minute intervention was significantly lower in the CON when compared with the CWI and HYP ( p < 0.05). The results showed that there was a significant increase in IL-6 at the completion of exercise, which persisted after 30 minutes of recovery ( p < 0.05), with no differences evident between the groups. Finally, a 200-m swim time trial was completed as a measure of next day performance. Venous blood samples were analyzed for levels of interleukin-6 (IL-6) at the pre-, post-, and 30-minute postswim time points, and a rating of perceived recovery was recorded at the conclusion of the 30-minute intervention and upon returning to the pool 12 hour later. At the conclusion of each session, athletes undertook a 30-minute recovery intervention of contrast water therapy (CWT), supplemental oxygen (HYP), or passive rest (CON). Eight highly trained athletes completed 3 swimming sessions consisting of 20 × 200 m efforts, in a counterbalanced repeated-measures design. J Strength Cond Res 26(4): 968–975, 2012-The effect of different recovery modalities on the postexercise cytokine response, perceptual recovery, and subsequent day athletic performance were investigated. Recovery effects of hyperoxic gas inhalationor contrast water immersion on the postexercise cytokine response, perceptual recovery, and next day exercise performance. Peeling, P, Fulton, S, Sim, M, and White, J.
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