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dc.contributor.authorGillett, J.
dc.contributor.authorLichtwark, G.
dc.contributor.authorBoyd, Roslyn
dc.contributor.authorBarber, L.
dc.date.accessioned2018-05-18T08:01:20Z
dc.date.available2018-05-18T08:01:20Z
dc.date.created2018-05-18T00:23:16Z
dc.date.issued2018
dc.identifier.citationGillett, J. and Lichtwark, G. and Boyd, R. and Barber, L. 2018. Functional Capacity in Adults With Cerebral Palsy: Lower Limb Muscle Strength Matters. Archives of Physical Medicine and Rehabilitation. 99 (5): pp. 900-906.e1.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/68206
dc.identifier.doi10.1016/j.apmr.2018.01.020
dc.description.abstract

Objective: To investigate the relation between lower limb muscle strength, passive muscle properties, and functional capacity outcomes in adults with cerebral palsy (CP). Design: Cross-sectional study. Setting: Tertiary institution biomechanics laboratory. Participants: Adults with spastic-type CP (N=33; mean age, 25y; range, 15–51y; mean body mass, 70.15±21.35kg) who were either Gross Motor Function Classification System (GMFCS) level I (n=20) or level II (n=13). Interventions: Not applicable. Main Outcome Measures: Six-minute walk test (6MWT) distance (m), lateral step-up (LSU) test performance (total repetitions), timed up-stairs (TUS) performance (s), maximum voluntary isometric strength of plantar flexors (PF) and dorsiflexors (DF) (Nm.kg -1 ), and passive ankle joint and muscle stiffness. Results: Maximum isometric PF strength independently explained 61% of variance in 6MWT performance, 57% of variance in LSU test performance, and 50% of variance in TUS test performance. GMFCS level was significantly and independently related to all 3 functional capacity outcomes, and age was retained as a significant independent predictor of LSU and TUS test performance. Passive medial gastrocnemius muscle fascicle stiffness and ankle joint stiffness were not significantly related to functional capacity measures in any of the multiple regression models. Conclusions: Low isometric PF strength was the most important independent variable related to distance walked on the 6MWT, fewer repetitions on the LSU test, and slower TUS test performance. These findings suggest lower isometric muscle strength contributes to the decline in functional capacity in adults with CP.

dc.publisherW.B. Saunders Co.
dc.titleFunctional Capacity in Adults With Cerebral Palsy: Lower Limb Muscle Strength Matters
dc.typeJournal Article
dcterms.source.volume99
dcterms.source.number5
dcterms.source.startPage900
dcterms.source.endPage906.e1
dcterms.source.issn0003-9993
dcterms.source.titleArchives of Physical Medicine and Rehabilitation
curtin.departmentSchool of Occ Therapy, Social Work and Speech Path
curtin.accessStatusFulltext not available


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