Research article summary (published 29 Apr 2008):

Effects of stretching on maximal anaerobic power: the roles of active and passive warm-ups.

Full Abstract

The purpose of the study was to provide practical suggestions on the effect of stretching on the maximal anaerobic power preceded by active or passive warm-up. To this aim, 15 relatively fit male subjects (age 23 +/- 0.2 years, height 177 +/- 2 cm, body mass 74 +/- 2 kg; [mean +/- SE]) randomly performed a series of squat jumps (SJ) and countermovement jumps (CMJ). Jumps were preceded alternatively by: i) passive stretching of lower limbs muscles; ii) active warm-up (AWU); iii) passive warm up (PWU); and iv) the joining of stretching with either active warm-up (AWU+S) or passive warm-up (PWU+S). In control conditions (C) only jumps were required. For the 2 jumps the flight time (Ft), the peak force (Pf), and the maximal power (Wpmax) were calculated. It resulted that Ft, Pf, and Wmax values were significantly higher: i) after AWU than after PWU and PWU+S in CMJ; and ii) in AWU as compared to those of other protocols of SJ. Stretching did not negatively affect the maximal anaerobic power, per se, but seems to inhibit the effect of AWU. The results suggested that AWU seemed to increase vertical jump performance when compared to PWU, presumably due to an increase in metabolic activity as a consequence of AWU, which did not occur in PWU, despite the same skin temperature. Passive stretching alone seemed not to negatively influence vertical jump performance, whereas, if added after AWU, could reduce the power output.

Author information

Author/s: Cè, Emiliano (E); Margonato, Vittoria (V); Casasco, Maurizio (M); Veicsteinas, Arsenio (A);

Affiliation: Institute of Physical Exercise, Health, and Sports, Faculty of Exercise Science, University of Milan, Milan, Italy. emiliano.ce(-atsign-)libero.it

Journal and publication information

Publication Type: Comparative Study; Journal Article

Journal: Journal of strength and conditioning research / National Strength & Conditioning Association (J Strength Cond Res), published in United States. (Language: eng)

Reference: 2008-May; vol 22 (issue 3) : pp 794-800

Dates: Created 2008/06/06; Completed 2008/08/07; Revised 2009/11/03;

PMID: 18438238, status: MEDLINE (last retrieval date: 11/3/2009, IMS Date: 03 Nov 2009 00:00:00)

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Adult Anaerobic Threshold Analysis of Variance Humans Male Muscle Contraction - physiology Muscle Strength - physiology Muscle Stretching Exercises - methods

Muscle, Skeletal - physiology Physical Education and Training - methods Physical Endurance Probability Sports - physiology Task Performance and Analysis Time Factors Torque

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