NDLI: Reliability and validity of a new repeated agility test as a measure of anaerobic and explosive power.

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Reliability and validity of a new repeated agility test as a measure of anaerobic and explosive power.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Haj-Sassi, Radhouane Dardouri, Wajdi Gharbi, Zied Chaouachi, Anis Mansour, Hamda Rabhi, Ahmed Mahfoudhi, Mohamed-Elhedi
Description	Country affiliation: Tunisia Author Affiliation: Haj-Sassi R ( Research Unit, School and University Sportive Practices and Performance, Higher Institute of Sports and Physical Education, Kef, Tunisia. radhouane.hsassi@laposte.net)
Abstract	The aim of this study was to evaluate the reliability and validity of a repeated modified agility test (RMAT) to assess anaerobic power and explosiveness. Twenty-seven subjects (age: 20.2 ± 0.9 years, body mass: 66.1 ± 6.0 kg, height: 176 ± 6 cm, and body fat: 11.4 ± 2.6%) participated in this study. After familiarization, subjects completed the RMAT consisting of 10 × 20-m maximal running performances (moving in forward, lateral, and backward) with ~25-second recovery between each run. Ten subjects performed the RMAT twice separated by at least 48 hours to evaluate relative and absolute reliability and usefulness of the test. The criterion validity of the RMAT was determined by examining the relationship between RMAT indices and the Wingate anaerobic test (WAT) performances and both vertical and horizontal jumps. Reliability of the total time (TT) and peak time (PT) of the RMAT was very good, with intraclass correlation coefficient > 0.90 and SEM < 5% and low bias. The usefulness of TT and PT of the RMAT was rated as 'good' and 'OK,' respectively. The TT of the RMAT had significant correlations with the WAT (peak power: r = -0.44; mean power: r = -0.72), vertical jumps (squat jump: r = -0.50; countermovement jump: r = -0.61; drop jump (DJ): r = -0.55; DJ with dominant leg: r = -0.72; DJ with nondominant leg: r = -0.53) and 5 jump test (r = -0.56). These findings suggest that the RMAT is a reliable and valid test for assessing anaerobic power and explosiveness in multisprint sport athletes. Consequently, the RMAT is an easily applied, inexpensive field test and can provide coaches and strength and conditioning professionals with relevant information concerning the choice and the efficacy of training programs.
File Format	HTM / HTML
ISSN	10648011
Issue Number	2
Volume Number	25
e-ISSN	15334287
Journal	Journal of Strength and Conditioning Research
Language	English
Publisher	Lippincott Williams & Wilkins
Publisher Date	2011-02-01
Publisher Place	United States
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Sport Sciences Anaerobic Threshold Physiology Exercise Test Standards Muscle Strength Range Of Motion, Articular Running Athletic Performance Cohort Studies Humans Male Muscle Contraction Muscle, Skeletal Reproducibility Of Results Sensitivity And Specificity Young Adult Comparative Study Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Orthopedics and Sports Medicine Physical Therapy, Sports Therapy and Rehabilitation Sports Science

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