Cover Image
QR Code

THE ACUTE EFFECTS OF CONCENTRIC VERSUS ECCENTRIC MUSCLE FATIGUE ON SHOULDER ACTIVE REPOSITIONING SENSE.

Purpose/Background: Shoulder proprioception is essential in the activities of daily living as well as in sports. Acute muscle fatigue is believed to cause a deterioration of proprioception, increasing the risk of injury. The purpose of this study was to evaluate if fatigue of the shoulder external r...

Full description

Published in:International Journal of Sports Physical Therapy Vol. 12; no. 2; pp. 219 - 227
Main Author: Spargoli, Guido
Format: research Journal Article
Published: North American Journal of Sports Physical Therapy Apr2017
Online Access:View this record in EBSCOhost
fields @attributes:
  recordID: 1
pdfLink:
plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=123241563&site=ehost-live
header:
  @attributes:
    shortDbName: ccm
    uiTerm: 123241563
    longDbName: CINAHL Complete
    uiTag: AN
  controlInfo:
    bkinfo:
    dissinfo:
    jinfo:
      jid:
        21592896
        BKL5
      jtl: International Journal of Sports Physical Therapy
      issn: 21592896
      maglogo: N
    pubinfo:
      dt: Apr2017
      vid: 12
      iid: 2
      pid: 38303
      pub: North American Journal of Sports Physical Therapy
      place: Indianapolis, Indiana
    artinfo:
      ui:
        123241563
        123241563
        123241563
        123241563
      ppf: 219
      ppct: 8
      formats:
      tig:
        atl: THE ACUTE EFFECTS OF CONCENTRIC VERSUS ECCENTRIC MUSCLE FATIGUE ON SHOULDER ACTIVE REPOSITIONING SENSE.
      aug:
        au: Spargoli, Guido
        affil: Centro Medico Genova, Genoa, Italy
      sug:
        subj: Muscle Fatigue
      ab: Purpose/Background: Shoulder proprioception is essential in the activities of daily living as well as in sports. Acute muscle fatigue is believed to cause a deterioration of proprioception, increasing the risk of injury. The purpose of this study was to evaluate if fatigue of the shoulder external rotators during eccentric versus concentric activity affects shoulder joint proprioception as determined by active reproduction of position. Study design: Quasi-experimental trial. Methods: Twenty-two healthy subjects with no recent history of shoulder pathology were randomly allocated to either a concentric or an eccentric exercise group for fatiguing the shoulder external rotators. Proprioception was assessed before and after the fatiguing protocol using an isokinetic dynamometer, by measuring active reproduction of position at 30° of shoulder external rotation, reported as absolute angular error. The fatiguing protocol consisted of sets of fifteen consecutive external rotator muscle contractions in either the concentric or eccentric action. The subjects were exercised until there was a 30% decline from the peak torque of the subjects' maximal voluntary contraction over three consecutive muscle contractions. Results: A one-way analysis of variance test revealed no statistical difference in absolute angular error (p> 0.05) between concentric and eccentric groups. Moreover, no statistical difference (p> 0.05) was found in absolute angular error between pre- and post-fatigue in either group. Conclusions: Eccentric exercise does not seem to acutely affect shoulder proprioception to a larger extent than concentric exercise.
      pubtype: Academic Journal
      doctype:
        research
        Journal Article
      ougenre: Article
    language: English
    refInfo:
    holdings:
      @attributes:
        islocal: N