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Lower limb strength in sports-active transtibial amputees.
Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
2009 (English)In: Prosthetics and orthotics international, ISSN 0309-3646, Vol. 33, no 3, 230-41 p.Article in journal (Refereed) Published
Abstract [en]

The aim of this study was to compare hip strength in sports-active transtibial (TT) amputees, sedentary TT amputees and sports-active non-amputees. Three 'active' (exercising recreationally at least three times per week) TT amputees, four 'inactive' or sedentary TT amputees and nine 'active' able-bodied persons (AB) underwent concentric and eccentric hip flexion and extension strength testing on both limbs on an isokinetic dynamometer at 60 and 120 degrees /s. Little strength asymmetry was noted between the limbs of the active TT amputees (8% and 14% at 60 and 120 degrees /s, respectively), their residual limb being slightly stronger. Inactive TT amputees demonstrated up to 49% strength asymmetry, their intact limb being the stronger. Active TT amputees demonstrated greater peak hip torques (Nm/kg) for all conditions and speeds compared to inactive TT amputees. Peak hip torques (Nm/kg), were greater in the active TT amputees' residual limb compared to AB. While inactive TT amputees and AB had similar flexion/extension ratios, active TT amputees exhibited a lower ratio indicating overdeveloped hip extensors with respect to their hip flexors. It is not known whether this is due to the demands of sport or exercise with a prosthetic limb, or remaining residual thigh atrophy.

Place, publisher, year, edition, pages
2009. Vol. 33, no 3, 230-41 p.
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:gih:diva-991DOI: 10.1080/03093640903082118PubMedID: 19658013OAI: oai:DiVA.org:gih-991DiVA: diva2:236858
Available from: 2009-09-25 Created: 2009-09-25 Last updated: 2011-05-12Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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  • de-DE
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