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The Use of Contact Time and the Reactive Strength Index to Optimize Fast Stretch-Shortening Cycle Training

Flanagan, Eamonn P PhD, CSCS1; Comyns, Thomas M PhD2

Strength & Conditioning Journal: October 2008 - Volume 30 - Issue 5 - pp 32-38
doi: 10.1519/SSC.0b013e318187e25b
Articles

THIS ARTICLE REVIEWS RESEARCH RELATING TO THE STRETCH-SHORTENING CYCLE AND PLYOMETRICS. THE ARTICLE INSTRUCTS STRENGTH AND CONDITIONING PRACTITIONERS IN THE USE OF GROUND CONTACT TIMES AND THE REACTIVE STRENGTH INDEX IN PLYOMETRIC TRAINING. DOCUMENTATION ON HOW THESE MEASUREMENTS CAN BE USED TO OPTIMIZE PLYOMETRICS AND TO IMPROVE ATHLETES' FAST STRETCH SHORTENING CYCLE PERFORMANCE IS PROVIDED. RECOMMENDATIONS ARE MADE REGARDING THE USE OF GROUND CONTACT TIMES TO IMPROVE TRAINING SPECIFICITY AND THE USE OF THE REACTIVE STRENGTH INDEX TO OPTIMIZE PLYOMETRICS, TO MONITOR TRAINING PROGRESS, AND TO SERVE AS A MOTIVATIONAL TOOL. A 4-STEP PROGRESSION OF IMPLEMENTATION IS DETAILED.

1Biomechanics Research Unit, College of Science, University of Limerick, Ireland; and 2Munster Rugby, c/o Irish Rugby Football Union, Dublin, Ireland

Eamonn Flanagan is a PhD candidate at the University of Limerick.

Tom Comyns is a strength and conditioning coach for the Irish Rugby Football Union.

© 2008 National Strength and Conditioning Association