Document Detail


Spinal unloading after abdominal exercises.
MedLine Citation:
PMID:  17910988     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Intervertebral discs are exposed to compressive forces, which produces fluid loss. This loss decreases disc height, spinal length and consequently overall stature. The loss of stature has been associated with spine loading and low back pain. Abdominal exercises increase intra-abdominal pressure and unload the spine. The purpose of this study was to identify if abdominal exercises may produce acute spinal unloading compared to a known unloading position. METHODS: Nine subjects performed a loading protocol and an unloading protocol on three experimental sessions. The loading protocol consisted of three sets of military press, while three unloading protocols were: three sets of regular abdominal exercises, three sets of abdominal exercises performed in an inclined board or an unloading resting posture. FINDINGS: Abdominal exercises showed a greater recovery (mean (SD)) (regular=87.8 (20.4)%; inclined=70.1 (14.5)%) in comparison to the resting position (Fowler=33.6 (14.1)%), although no significant differences were found between abdominal exercises in stature recovery (P=0.07). INTERPRETATION: Abdominal exercises may be introduced between sets of resistance training to decrease the negative effect of compressive forces imposed during such highly stressing activities. Further studies are required to confirm the proposed underlying mechanisms.
Authors:
Cíntia L Nahhas Rodacki; André Luiz Felix Rodacki; Carlos Ugrinowitsch; Diego Zielinski; Rafael Budal da Costa
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Publication Detail:
Type:  Comparative Study; Journal Article; Randomized Controlled Trial     Date:  2007-10-29
Journal Detail:
Title:  Clinical biomechanics (Bristol, Avon)     Volume:  23     ISSN:  0268-0033     ISO Abbreviation:  Clin Biomech (Bristol, Avon)     Publication Date:  2008 Jan 
Date Detail:
Created Date:  2007-12-25     Completed Date:  2008-03-27     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8611877     Medline TA:  Clin Biomech (Bristol, Avon)     Country:  England    
Other Details:
Languages:  eng     Pagination:  8-14     Citation Subset:  IM    
Affiliation:
Positivo University Centre, Rua Pedro Viriato Parigot de Souza, 5300, Campina do Siqueira, Curitiba, Paraná, Brazil.
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MeSH Terms
Descriptor/Qualifier:
Abdominal Muscles / physiology*
Adult
Biomechanics
Body Height / physiology*
Exercise / physiology*
Humans
Male
Spine / physiology*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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