muscle eccentric training for endurance running performance
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MUSCLE ECCENTRIC TRAINING FOR ENDURANCE RUNNING PERFORMANCE 1 Dept of Neurological and Movement Sciences, University of Verona Centro per la Preparazione alla Maratona 2 Dept of Biomedical Sciences for Health, University of Milano Cantor Tarperi 1 , Luca Festa 1 , Antonio La Torre 2 , Federico Schena 1 MSH 2015 – Interna=onal Congress, 12-13 November 2015 , Rovereto
Transcript of muscle eccentric training for endurance running performance
MUSCLEECCENTRICTRAININGFORENDURANCERUNNINGPERFORMANCE
1DeptofNeurologicalandMovementSciences,UniversityofVeronaCentroperlaPreparazioneallaMaratona2DeptofBiomedicalSciencesforHealth,UniversityofMilano
CantorTarperi1,LucaFesta1,AntonioLaTorre2,FedericoSchena1
MSH2015–Interna=onalCongress,12-13November2015,Rovereto
Coyle et al. 1999
ENDU
RANCEPERFO
RMAN
CE
TRAININGSTRATEGY
[SEILERetAl.ScandJMedSciSports2006]
+strength
KNOWLEDGES
KNOWLEDGES
[BeaUeK,SportsMed.2014]
KNOWLEDGES
[Gault and Willems, Aging Dis. 2013]
KNOWLEDGES
8weeks(3t/w:4sets-4rep.)+endurancetr.
6weeksMST:(2t/w:4sets-4rep.)+endurancetr.RT:(2t/w:3sets-10rep.)+endurancetr.CTRL:onlyendurancetr.
[StørenOetAl.MedSciSportsExerc.2008]
[Piacen=niMFetAl.JStrengthCondRes.2013]
KNOWLEDGES
[Assumpçãoetal.Scien=ficWorldJournal.2013]
ECCENTRICEXERCISES
[Dufouretal.MedSciSportsExerc.2004]
ECCENTRICEXERCISES
[Dufouretal.MedSciSportsExerc.2004]
[LaStayoetal.AmJPhysiol2000]
12weeks3t/w
ECCENTRICEXERCISES
AIMOFTHESTU
DYComparetheREvaria=onpre-postaregularendurance
trainingprogramaddedtoaspecificeccentricmuscleefforts(Yo-YoLegPress),
versusanloworhighintensitytrainingprograms
Hypothesis:in recrea=onal runners, theeccentric strength program, addedto a regular endurance training,c ou l d l e ad n eu romus cu l a radapta=onsallowingbenefitsinRE
n Age Height Weight V’O2max
EccentricStrengthTraining EST 9 44.5±6.0 169.0±9.1 71.3±9.4 48.8±5.1
HighIntensityTraining HIT 9 42.2±8.6 171.2±6.8 70.9±11.9 50.3±3.7
LowIntensityTraining LIT 11 45.4±8.0 171.8±9.6 66.1±11.7 50.2±6.7
SUBJECTS
40-50yypreviousexperiencesforhalfmarathoninlastyear
nopathologiesnoothersport
TRAININGLIT
TRAININGHIT
TRAININGEST
RUNFOR
SCIENCEEVENT
21K
10weeks 1/3days3DAYS
13/01/14 3/2/14 13/04/14 16/4/13
EVALUATIONS
PRE
EVALUATIONS
POST
EXPERIMEN
TALDESIGN
• Vmax2–10–21km
Field performance
Centro Maratona
Body composition
• FatFreeMass,(FFM,%FFM)• FatMass,(FM,%FM)• totalbodyandarm/leg Anthropometry lab
DEXA,QDRExplorerW,Hologic,MAUSA
Bioenergetics & muscle
1RMMetabolic lab
Gasexchangedataanalyser,Quarkb2,CosmedIT
• V’O2max;vV’O2max;VT1;VT2;CE
Isocine]cLegPress,TechnogymIT• 1RM
METHO
DS
INTERVEN
TION
HIT:3t/wsessions,running@95-140%ofRV
LIT:3t/wsessions,running@70-105%ofRV
EST:trainingcharacterizedby1t/w4set7rep.onYo-YoLegPressatmaximalpower+3t/wsessions,running@70-105%ofRV
4 series - 7 max. rep.
RV=
LOW INTENSITY HIGH INTENSITY
LIT
EST
ONEway ANOVA(Turket)
TWOway ANOVA RM (Bonferroni)
*p<0.05
STATISTICS
RESULTS
Pvalue≤0.05
1RMshownasignificantincreasefrom144to162kgforthegroup
EST
RESULTS
TherewasnosignificantchangeinFatFreeMassofLegsinany
groups
Pvalue≤0.05
RESULTS
RESULTS
RESULTS
IMPROVEDEFFICIENCYINEST
RESULTS
REshownasignificantreduc=onfrom4.5to4.3J�m-1�kg-1fortheESTgroup
Pvalue≤0.05
RESULTS
aver21KM
RESULTS
aver21KM
RESULTS
aver21KM
RESULTS
Hendersonetal.JPhysion2007
aver21KM
* **
RESULTS
aver21KM
* *
DISCU
SSION
-5.3%inREisinagreementwiththepreviousstudies
+12.5%in1RMwithouthypertrophyisslightlylowerthantheresultsexis=nginliterature
Thisresultscouldbeexplainbyneuraladapta=onsuchas:
Anincreasedmuscleac=va=on
(Agreaterefficiencyincoordina=onintra/intermuscolar)Abexersinchroniza=onofmotorunitsrecruitment
Anincreasedα-motorneuronsthreshold
Adecreasedinhibi=onofGolgi’sapparatus(Paavolainen1999,Taipale2013)
areducedcKat+6hhand+18hhavertheeffort
IGF1
[ŻebrowskaAetAl.INTJSPORTSMED.2013]
UNTR LOWTR HIGHTR
Andperhapsanimplica=onofIGF-1factor…
CONCLU
SION
1t/wof4setsof7rep.ofECCENTRICEXERCISEissufficienttoimproveREand1RM
withoutmusclehypertrophy(andwithoutinjuries)
Thistrainingmethod,therefore,appearsgoodforrecrea=onalrunnersintermsof:
ü Facilityofexecu=onü Safety
ü Saved=me
Prof.FedericoSchenaProf.AntonioLaTorreDr.LucaFestaDr.Kris=naSkroceCentroMaratonastaff
Prof.LippiGiuseppeProf.SalvagnoGianLucaClinicalBiochemistrystaff
Dr.ChiaraMilanese
Dr.MFPiacen=ni
ACKN
OWLEDGEM
ENTS
