The purpose of this study was to determine if wind machine training was as effective as roller board training at increasing UBP. Forty-four women cross-country skiers, age 23-59 years, were matched on initial UBP, measured in watts (W), and placed into 1 of 2 experimental groups (roller board or wind machine). All women underwent 8 weeks of UBP training. Although both groups improved significantly pre-post (p < 0.05) in UBP, t-tests indicated that there was no significant difference (p > 0.05) between the 2 groups' improvements (roller board, pre 74.5 ± 30.9, post 95.9 ± 29.8 W; wind machine, pre 74.5 ± 33.5, post 99.3 ± 34.3 W). Thus the wind machine was as effective at enhancing UBP as the roller board.
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