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Center of mass motion and the effects of ankle bracing on metabolic cost during submaximal walking trials
Journal of orthopaedic research, 2006-12, Vol.24 (12), p.2170-2175
Herndon, Stephanie K.
Bennett, Bradford C.
Wolovick, Adam
Filachek, Andrew
Gaesser, Glenn A.
Weltman, Arthur
Abel, Mark F.
2006
Volltextzugriff (PDF)
Details
Autor(en) / Beteiligte
Herndon, Stephanie K.
Bennett, Bradford C.
Wolovick, Adam
Filachek, Andrew
Gaesser, Glenn A.
Weltman, Arthur
Abel, Mark F.
Titel
Center of mass motion and the effects of ankle bracing on metabolic cost during submaximal walking trials
Ist Teil von
Journal of orthopaedic research, 2006-12, Vol.24 (12), p.2170-2175
Ort / Verlag
Hoboken: Wiley Subscription Services, Inc., A Wiley Company
Erscheinungsjahr
2006
Quelle
Wiley Online Library - AutoHoldings Journals
Beschreibungen/Notizen
The goal of this research was to examine the relationship between center of mass (CoM) motion and metabolic cost and to assess secondarily the effects of equinus gait on metabolic cost during walking trials at various velocities. Twelve (n = 12) healthy male adults walked in four brace conditions, including fixed equinus, at three different walking speeds. Metabolic measures and 3D kinematic data were collected during each trial. Significant main effects for velocity were observed on both dependent measures, net O2 cost (p < 0.001), and CoM vertical excursion (CoMz) (p < 0.01). Correlation analysis showed significant positive correlations between net O2 cost and CoMz that were strongest at fast velocities. Further, analysis revealed the cost of walking at a comfortable speed in the equine position was 28% greater than walking in braces without springs or springs in neutral position and 64% greater than walking in shoes alone. CoMz does correlate with metabolic cost as measured by net O2 cost. Also, normal subjects walking in equinus have an increased net O2 cost and increased CoMz when compared to walking with shoes alone or the other brace conditions at all velocities. © 2006 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res
Sprache
Englisch
Identifikatoren
ISSN: 0736-0266
eISSN: 1554-527X
DOI: 10.1002/jor.20292
Titel-ID: cdi_proquest_miscellaneous_69007714
Format
–
Schlagworte
Adult
,
Ankle
,
Braces
,
bracing
,
center of mass
,
Energy Metabolism - physiology
,
equines
,
gait
,
Gait - physiology
,
Humans
,
Male
,
metabolic cost
,
Oxygen Consumption
,
Shoes
,
Walking - physiology
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