The effect of a sand surface on physical performance responses of junior male handball players to plyometric training

<h2>Background</h2><p dir="ltr">The effects of 7 weeks plyometric training on a stable surface and on sand were compared in junior male handball players.</p><h2>Methods</h2><p dir="ltr">A team of experienced players was divided randomly b...

وصف كامل

محفوظ في:
التفاصيل البيبلوغرافية
المؤلف الرئيسي: Mehrez Hammami (14153331) (author)
مؤلفون آخرون: Nicola Luigi Bragazzi (6931424) (author), Souhail Hermassi (14070708) (author), Nawel Gaamouri (14153334) (author), Ridha Aouadi (587727) (author), Roy J. Shephard (7107188) (author), Mohamed Souhaiel Chelly (10169996) (author)
منشور في: 2020
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الوصف
الملخص:<h2>Background</h2><p dir="ltr">The effects of 7 weeks plyometric training on a stable surface and on sand were compared in junior male handball players.</p><h2>Methods</h2><p dir="ltr">A team of experienced players was divided randomly between three groups, undertaking a standard in-season regimen (C, <i>n</i> = 10), or supplementing this regimen by plyometric training on sand (PS, <i>n</i> = 11) or a stable surface (P, n = 10) for 7 weeks. Assessments included 20 m sprint times, change of direction tests (Modified change-of-direction T-test and Modified Illinois test), a repeated sprint T-test, jumping ability (squat, countermovement and five jump tests), and static and dynamic balance.</p><h2>Results</h2><p dir="ltr">After the intervention, PS showed significant increases of sprint speed relative to P and C. Change of direction scores were also improved for PS relative to P and C. Both PS and P increased vertical jump performance (squat jump, p = 0.005; ES = 0.170; counter-movement jump p < 0.001; ES = 0.247). Repeated sprint T-test scores improved in PS and P relative to C, with best times of PS > P (<i>p</i> < 0.05). Both plyometric groups improved their dynamic balance (p < 0.05), with three parameters of PS and only one of P being significantly greater than C. Static balance was also enhanced in both experimental groups (PS > P).</p><h2>Conclusions</h2><p dir="ltr">We conclude that for reasons that remain to be clarified, several performance measures in adolescent male handball players were increased more by 7 weeks of PS than by P.</p><h2>Other Information</h2><p dir="ltr">Published in: BMC Sports Science, Medicine and Rehabilitation<br>License: <a href="http://creativecommons.org/licenses/by/4.0/" target="_blank">http://creativecommons.org/licenses/by/4.0/</a><br>See article on publisher's website: <a href="http://dx.doi.org/10.1186/s13102-020-00176-x" target="_blank">http://dx.doi.org/10.1186/s13102-020-00176-x</a></p>