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CORE STRENGTH SYNERGY AND ITS INFLUENCE IN NON CHRONIC LBP
A n n a R i t a C a l a v a l l e , D a v i d e S i s t i , G i u s e p p e A n d o l i n a , M a r c o G e r v a s i , C a r l a S p i n e t o , M a r c o R o c c h i ,
V i l b e r t o S t o c c h i
________________
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• The costs of LBP are enormous and are attributed to both tangible costs (i.e. medical care and indemnity payments) and intangible costs (i.e. production loss, employee retraining, litigation)(Woolf 2003).
• In the UK, it was estimated that the direct costs of LBP were £1.6 billion and the total costs (direct and indirect) ranged from £6.6 billion to £12.3 billion (Maniadakis 2000).
• In the US, a comparative cost of illness study showed that the annual per capita health and disability costs for LBP were comparable with heart disease and diabetes in a major US corporation (Druss 2000).
• Also, LBP is one of the main causes for work absenteeism (Andersson 1999). Expenditures are expected to grow with the trend of an aging population worldwide
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È necessaria:
La validazione di strumenti in grado di misurare il livello di attività fisica nei soggetti sani ed in coloro che soffrono di LBP
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ACSM
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LAVORO SPERIMENTALE
OBIETTIVO
Verificare se esiste una relazione tra una serie di test di endurance per la
Core stability e il LBPs
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18 Vigili del Fuoco (eta 42,9±7,4; BMI 25,6±3) del dipartimento dei Vigili del Fuoco di Urbino
.
Campione
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Variabili misurate
• FRONT PLANK• REVERS PLANK • SIDE PLANKS
• ROLAND MORRIS DISABILITY Q. LBP
CORE STABILITY
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LBP-score
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RESULTS
0 50 100 150 200 250 3000
50
100
150
200
250
300
f(x) = 0.810998971878766 x + 32.1254192385742R² = 0.610031991168774
Plank supino (sec)
Pla
nk p
rono (
sec)
0 20 40 60 80 100 120 1400
20
40
60
80
100
120
140
f(x) = 0.978372323082628 x + 4.67309850623659R² = 0.886275218822693
Plank dx (sec)
Pla
nk s
x (
sec)
plank supino plank prono plank laterale sx plank laterale dx
min 15 48 20 24
max 262 242 118 124
media 83,56 99,89 60,41 63,77
dev.st 58,26 60,50 27,99 29,08
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IS ROLAND MORRIS SCORING DEPENDENT FROM PLANK?
Multiple linear regression analysis with backward stepwise elimination
Predictor variables were: duration of planks test in front, reverse, side positions (dx and sx) and ratio between frontal and reverse value.
Dependent variable was Roland Morris questionnaire score.
step 5° Beta standardizzata t Sig.
intercetta -0,469 0,646
Front_Reverse 0,514 2,398 0,029
data reported a positive correlation between the RMQ values and the ratio Front/Reverse core stability tests values (p=0,029). Interestingly there were no significantly correlation comparing RMQ ant the core
tests separately.
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CONCLUSION• Predittività dipende non dal valore assoluto dei tempi ma
dal rapporto Front-Reverse• Quando il rapporto tra front plank (muscoli flessori) e
reverse plank (muscoli estensori) aumenta a favore dei primi si ha un aumento del punteggio del RMQ
• La causa principale di tale correlazione potrebbe essere uno squilibrio di endurance tra i muscoli della porzione anteriore e posteriore del Core.
• In futuro da un campione più numeroso potremmo ottenere il rapporto migliore tra i due plank, nonchè l’ulteriore validazione della variabile
• Sono necessari ulteriori studi longitudinali per verificare se la riduzione di tale rapporto attraverso la somministrazione di protocolli specifici possa effettivamente prevenire le recidive tipiche nel LBP.
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GRAZIE
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DISCUSSIONE• Importanza del mantenimento
delle curve fisiologiche • Indipendenza dai side plank
(simmetria e curve fisiologiche sul piano sagittale)
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?
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Can SUPINE PLANK to be a correct front-plank antagonist exercise than
others?????