The purpose of the study was to compare different stretching protocols on vertical jump and long jump. Participants included 22 females and 16 males that completed four different stretching protocols in a randomized, cross-over treatment design. Protocols were performed on separate days, with at least 48 hours of rest in between. Each session began with a 5-minute self-paced jog, followed by one of the four stretching protocols: static-only stretch, dynamic-only stretch, ballistic-only stretch, and dynamic-plus-ballistic stretch. Each stretching protocol lasted for about five minutes. Either participants performed a vertical jump or long jump directly after finishing the stretching protocol, then switched testing conditions. There were no significant differences in vertical jump or long jump performance across the four conditions. Consequently, this study did not support previous research showing performance improvement after dynamic stretching.
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