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Medicina dello Sport 2019 March;72(1):25-36

DOI: 10.23736/S0025-7826.19.03381-7

Copyright © 2019 EDIZIONI MINERVA MEDICA

language: English, Italian

Acute enhancement of jumping performance after different plyometric stimuli in high level gymnasts is associated with postactivation potentiation

George C. DALLAS , Costas G. DALLAS, Charilaos TSOLAKIS

School of Physical Education and Sport Science, National and Kapodistrian University of Athens, Athens, Greece


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BACKGROUND: Limited research exists examining the effect of different type of plyometric exercises (typical vs. specialized) that are employed as part of warm-up or as a strength-power potentiating complex. Thus, the purpose of this study was to examine the effects of a typical and a specialized plyometric protocol on the occurrence of post-activation potentiation (PAP) effects on drop jump (DJ) performance.
METHODS: Thirty-five high level male and female artistic gymnasts participated in this investigation. All participants performed a DJ before and after two different conditioning stimuli; the first consisted of 10 repetitions of a specific gymnastic exercise (Rondat) and the second consisted of 2 set of 5 repetitions of tuck jumps. DJ height, contact time and leg power were assessed before, immediately after and at 3, 6, and 9 min following the conditioning stimulus.
RESULTS: DJ height enhanced significantly in post measurements in male and female gymnast (P<0.05). Further, DJ contact time was significantly different immediately after, and after 6 and 9 min after the intervention in males (P<0.05), but only immediately after and after 9 min in female gymnasts (P<0.05). Gymnasts of both gender responded in a similar way to the interventions with male gymnasts showing greater potentiating abilities in DJ height compared to females (P=0.001).
CONCLUSIONS: The results of the present study support that high level gymnast must include similar protocols in the warm-up procedures in order to improve their jumping performance.


KEY WORDS: Gymnastics - Plyometric exercise - Athletic performance

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