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Flexibility is an intrinsic property of body tissues, which among other factors determines the range of motion (ROM). A decrease in neural activation of the muscle has been linked with greater ROM. Cryotherapy is an effective technique to reduces neural activation. Hence, the aim of the present study was to evaluate if a single session of whole-body cryotherapy (WBC) affects ROM. 60 women and 60 men were divided into two groups (control and experimental). After the initial sit-and-reach test, experimental group performed a 150 s session of WBC, whereas the control group stayed in thermo-neutral environment. Immediately after, both groups performed another sit-and-reach test. A 3-way analysis of variance revealed statistically significant timexgroup and time x gender interaction. Experimental groups improved sit-and-reach amplitude to a greater extend than the control group. Our results support the hypothesis that ROM is increased immediately after a single session of WBC.

De Nardi, M, La Torre, A, Benis, R, Sarabon, N and Fonda, B. (2015) “Acute effects of whole-body cryotherapy on sit-and-reach amplitude in women and men”. Cryobiology 71 (3) 511-3.

Full Article : http://www.ncbi.nlm.nih.gov/pubmed/26515297