A comparison between land and sand-based tests for beach volleyball assessment

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Bishop, David ORCID: 0000-0002-6956-9188 (2003) A comparison between land and sand-based tests for beach volleyball assessment. The Journal of Sports Medicine and Physical Fitness, 43 (4). pp. 418-423. ISSN 0022-4707


Aim. Ver­tical-­jumping ­ability is crit­ical for suc­cess in ­beach vol­ley­ball. How­ever, as ­beach vol­ley­ball is a rel­a­tively new ­sport, its ­testing pro­ce­dures ­have ­largely ­been ­adopted ­from the ­indoor ­game and are con­se­quently per­formed on ­firm sur­faces. The pur­pose of ­this ­paper was to deter­mine ­whether ver­tical-­jumping ­ability is spe­cific to the ­test sur­face (i.e., ­wood or ­sand). ­Methods. ­Eighteen ­beach vol­ley­ball ­players per­formed ­4 dif­ferent ver­tical ­jumps on a ­wood sur­face or on the ­sand, fol­lowed by the alter­nate sur­face, in a ­random, coun­ter­bal­anced ­order. Cor­re­la­tion coef­fi­cients ­were cal­cu­lated to deter­mine the ­degree of asso­ci­a­tion ­between the 4 ­jumps and ­between the ­test ­results on the 2 sur­faces. ­Results. ­When com­pared ­with the ­land con­di­tion, all ­jump ­heights ­were sig­nif­i­cantly ­lower ­when per­formed on ­sand (p<0.05). ­There was how­ever, a sig­nif­i­cant cor­re­la­tion ­between the ­land and ­sand ­results for all ­jumps (­mean r=0.93; p<0.05). ­While all ­4 ver­tical ­jump vari­a­tions ­were sig­nif­i­cantly cor­re­lated ­with ­each ­other (mean r=0.91; p<0.05), the cor­re­la­tion ­between ­static ­jumps and the ­spike ­jump (3-­step run up) ­tended to be ­lower. Con­clu­sion. It is ­likely ­that ver­tical ­jump ­height on ­sand is ­lower ­than on ­land due to a reduc­tion in the ­ground reac­tion ­force. How­ever, ­despite ­this, the ­strong cor­re­la­tion ­between ­land and ­sand ­scores sug­gests ­that ver­tical-­jumping ­ability ­exists as a gen­eral ­quality and is not ­greatly influ­enced by ­test sur­face in the sub­jects ­tested. ­This sug­gests ­that ­land-­based ­tests can be ­used to ­assess ­sand ­jumping ­ability in expe­ri­enced ­beach vol­ley­ball ­players.

Item type Article
URI https://vuir.vu.edu.au/id/eprint/24261
Official URL http://www.minervamedica.it/en/journals/sports-med...
Subjects Historical > FOR Classification > 1106 Human Movement and Sports Science
Current > Division/Research > College of Sports and Exercise Science
Keywords beach volleyball, vertical-jumping ability, test surface, wood surface, sand-based
Citations in Scopus 48 - View on Scopus
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