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Lower limb strength in sports-active transtibial amputees.
Gymnastik- och idrottshögskolan, GIH, Institutionen för idrotts- och hälsovetenskap, Laboratoriet för biomekanik och motorisk kontroll (BMC).
2009 (engelsk)Inngår i: Prosthetics and orthotics international, ISSN 0309-3646, E-ISSN 1746-1553, Vol. 33, nr 3, s. 230-41Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
2009. Vol. 33, nr 3, s. 230-41
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URN: urn:nbn:se:gih:diva-991DOI: 10.1080/03093640903082118PubMedID: 19658013OAI: oai:DiVA.org:gih-991DiVA, id: diva2:236858
Tilgjengelig fra: 2009-09-25 Laget: 2009-09-25 Sist oppdatert: 2017-12-13bibliografisk kontrollert

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