| THE EFFECTS OF PASSIVE WARM-UP VS. WHOLE BODY VIBRATION ON HIGH-INTENSITY PERFORMANCE DURING SPRINT CYCLE EXERCISE. | |
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MedLine Citation:
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PMID: 22293678 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The purpose of this study was to compare the effects of passive warm-up (PW), whole-body vibration (WBV), and control (C) on high-intensity performance during sprint cycle exercise. Six recreationally trained men performed a 30-seconds sprint cycle test after the three aforementioned conditions; each test was carried out on a different day following a balanced-order experimental tests. The WBV consisted of 5 minutes of squats associated with WBV (45 Hz, 2 mm). The PW consisted of 30 minutes of PW using a thermal blanket on the thighs and legs (35 W). The C consisted of 30 minutes of no warm-up with the subject lying down. Motor neuron excitability from the vastus lateralis muscle, evaluated by electromyography (EMG), was determined prior to exercise at rest and during sprint cycle exercise. Blood lactate levels (BL), evaluated by spectroscopy, and muscle temperature (MT) of the thigh, estimated indirectly by measuring skin temperature, were determined at following time points: prior to exercise at rest (before and after experimental conditions), immediately and 3 minutes after the 30-s sprint cycle test. Peak power, relative power, relative work, time of peak power, and pedaling cadence were significantly higher in the WBV compared to C (P < 0.05). Although MT was significantly greater in PW compared to WBV and C prior to exercise (P < 0.01), no significant differences were observed between the experimental conditions for BL immediately after sprint cycle exercise (P = 0.35) and in EMG during sprint cycle exercise (P = 0.16). Thus, it is plausible to suggest WBV as a method for an acute increase in high-intensity performance during sprint cycle exercise for athletes immediately before competition or training. |
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Authors:
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Núbia C P Avelar; Sidney J Costa; Sueli F da Fonseca; Rosalina Tossige-Gomes; Fernando J Gripp; Cândido C Coimbra; Ana C R Lacerda |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-1-30 |
Journal Detail:
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Title: Journal of strength and conditioning research / National Strength & Conditioning Association Volume: - ISSN: 1533-4287 ISO Abbreviation: - Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-2-1 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9415084 Medline TA: J Strength Cond Res Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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1 Federal University of the Jequitinhonha and Mucuri Valleys - Healthy and Biological Sciences Faculty - Exercise Physiology Laboratory; 2 Federal University of Minas Gerais - Biological Sciences Institute - Endocrinology Laboratory. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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