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Comparative effects of two interval shuttle-run training modes on physiological and performance adaptations in female professional futsal players

Teixeira, Anderson S.1; Arins, Francimara B.1; De Lucas, Ricardo D.1; Carminatti, Lorival J.2; Dittrich, Naiandra1; Nakamura, Fábio Yuzo3,4,5; Guglielmo, Luiz Guilherme A.1

The Journal of Strength & Conditioning Research: September 06, 2017 - Volume Publish Ahead of Print - Issue - p
doi: 10.1519/JSC.0000000000002186
Original Research: PDF Only

The purpose of the present study was to analyze the effects of two shuttle-run interval training (SRIT) models with one and three directional changes per running bout on the aerobic and anaerobic performances of elite female futsal players. Sixteen players competing in the Brazilian National Division League took part in the study. The training protocols consisted of shuttle-run intervals organized in four sets of 4-min bouts with 3- min of rest intervals between the sets. The SRIT models were composed of one (7.5 s running and 7.5 s pause [SRIT7.5x7.5]; n=7) or three (15 s running and 15 s pause [SRIT15x15]; n=9) directional changes. The athletes performed the following tests before and after a 5-week training period: incremental treadmill test (ITT), Futsal Intermittent Endurance Test (FIET) [with respective peak speeds (PS)] and a repeated sprint ability (RSA) test. After the training period, PSFIET and speed at the second lactate turnpoint were very likely and almost certainly increased in both training regimens, respectively. SRIT15x15 induced possibly greater improvements in PSITT (+3.28%, 90%CL -0.16 to 6.82) and RSAmean (+1.17%, 90% CL -0.68 to 3.05) than SRIT7.5x7.5. In addition, SRIT15x15 resulted in a likely greater improvement in running economy (+4.33%, 90% CL -0.35 to 9.23) compared with SRIT7.5x7.5. In elite female futsal players, SRIT15x15 is a promising strategy to enhance performance-related physical fitness attributes in a shortterm period (5 weeks) during the preseason, due to its superior effects on these important aerobic and anaerobic qualities than a protocol with fewer directional changes.

1Sports Center, Federal University of Santa Catarina, Physical Effort Laboratory, Florianópolis - SC, Brazil;

2Health Sciences and Sports Center, University of the State of Santa Catarina, Human Performance Research Laboratory, Florianópolis – SC, Brazil;

3Nucleus of High Performance in Sport , São Paulo , Brazil;

4State University of Londrina , Brazil;

5The College of Healthcare Sciences, James Cook University, Queensland, Australia .

Address for correspondence: Anderson Santiago Teixeira Federal University of Santa Catarina Sports Center – Physical Effort Laboratory Campus Universitário - Trindade CEP: 88040-900 Florianópolis (SC) Brazil +05548 3721-9924

Conflicts of interest: The authors certify that there is no conflict of interest with any financial organization regarding the material discussed in the manuscript.

Contacts: Anderson S. Teixeira [], Ricardo Dantas de Lucas [], Francimara Budal Arins [], Lorival José Carminatti [], Naiandra Dittrich [], Fabio Yuzo Nakamura [], Luiz Guilherme Antonacci Guglielmo []

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