Static Stretching

Static Stretching - JournalofAthleticTraining...

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Unformatted text preview: JournalofAthleticTraining 1999;34(1):11-14 bytheNationalAthleticTrainers'Association,Inc www.nata.org/jat Effectsofa StaticStretching Program on the Incidence ofLower Extremity Musculotendinous Strains Kevin M. Cross, MEd, ATC; Ted W. Worrell,EdD, PT,ATC Krannert School ofPhysicalTherapy, UniversityofIndianapolis,Indianapolis,IN Objective: Musculotendinous strains are among the most prevalent injuriesforwhich health care professionals provide treatment and rehabilitation interventions. Flexibilityhas been identifiedasoneoftheprimaryetiologicfactorsassociatedwith musculotendinous strains, but limited research exists on the effectofapreventivestretchingprogramon musculotendinous strains.Therefore,thepurposeofourstudywastocomparethe number ofmusculotendinousstrainsforthehamstrings,quad- riceps, hip adductors, and gastrocnemius-soleus muscle groups beforeand aftertheincorporationofastaticstretching program foreach muscle group. Design and Setting:We analyzedtheincidenceofmuscu- lotendinousstrainsamong theplayersofaDivisionIllcollegiate football team between 1994 and 1995. All variables were consistentbetween the2seasons exceptfortheincorporation ofa lowerextremitystretchingprogram in1995. M usculotendinous strainsare among the most preva- lent,aswellasthemostfrustrating,groupsofinjuries forathletesandhealthcareprofessionals. 1-4Inpar- ticular,hamstring injuriesarethemost common musculoten- dinous injury inthe lower extremity and, accordingly, have receivedprimary attention.8Otherlowerextremitymuscles, especiallythosewithcomplex architecturethatspan 2joints, arealsosusceptibleto strains.9'10 As ameans ofaidinghealth careprofessionalsinpreventionandrehabilitationofhamstring injuries,Worrelland Perrin1 1 proposedatheoreticalmodelfor hamstring strains,suggestingthattheyresultfrom acomplex interactionof4 etiologicfactors: warm-up, strength, fatigue, and flexibility.We speculatethatthismodelisalsoapplicable to other muscle groups. Although data exist to support the relationshipbetweenthe4etiologicfactorsandmusculotendi- nous unit susceptibility,6'7'1123limitedstudies haveinvesti gatedtheeffectsofapreventionprogramonhamstringorother lowerextremitymusclegroupinjury susceptibility.'6 Improved flexibility has long been considered a major component of preventive treatment of musculotendinous strains,and various studies have attempted to elucidate the Subjects: One hundred and ninety-fiveDivision Illcollege footballplayers. Measurements: We calculated the number ofmusculoten- dinousstrainsthatrequireda minimum absence of1dayfrom practicesorgames in1994 and 1995. Results:A x2analysisrevealedasignificantreduction inthe numberoflowerextremitymusculotendinousstrainsin1995as opposedto1994....
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This note was uploaded on 03/24/2011 for the course DNC 394 taught by Professor Roses-thema during the Spring '11 term at ASU.

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Static Stretching - JournalofAthleticTraining...

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