The Effect of Sand Versus Grass Plyometric Training on Vertical Jump, Sprint Performance, and Ankle Flexibility
Faculty Mentor(s)
Dr. Kevin Cole
Document Type
Poster
Event Date
4-10-2015
Abstract
Plyometric training has become increasingly popular as an alternate type of training for many different sports. Plyometric training embodies the natural movements that are conducted in specific sports, promoting an increase in performance and decreased risk of injury. The purpose of this study is to determine how plyometric training on different surfaces, specifically sand and grass, affect vertical jump, sprint performance, and ankle flexibility. Twenty college students participated in a 4-week plyometric program on a sand or grass training surface. Vertical jump, 20-meter sprint, and ankle flexibility were assessed before and after the training program. The results indicated no significant differences between groups in vertical jump (pre grass: 18.3 +/- 3.49, post grass: 19.4+/- 2.67, pre sand: 20.9 +/- 5.15, post sand: 21.5 +/- 4.42), 20-m sprint (pre grass: 3.76 +/- .37, post grass: 3.80 +/-.37, pre sand: 3.6 +/- 0.37, post sand: 3.63 +/- 0.44), ankle dorsiflexion (pre grass:15.33 +/- 5.39, post grass: 17 +/- 3.16, pre sand: 14.33 +/- 7.39, post sand: 17 +/- 3.16), and ankle plantarflexion (pre grass: 52.33 +/- 6.47, post grass: 61 +/- 3.31, pre sand: 49.33 +/- 7.53, post sand: 55 +/- 9.41) . However, a trend was observed demonstrating plyometric training can improve vertical jump and ankle flexibility independent of training surface.
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