Are Muscle Volume Differences Related to Concentric Muscle Work During Walking in Spastic Hemiplegic Cerebral Palsy?

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Fältnamn	Indikatorer	Metadata
000		04092naa a2200553 4500
001		oai:DiVA.org:kth-74929
003		SwePub
008		120204s2012 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
009		oai:prod.swepub.kib.ki.se:124606805
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-749292 URI
024	7	a https://doi.org/10.1007/s11999-011-2093-62 DOI
024	7	a http://kipublications.ki.se/Default.aspx?queryparsed=id:1246068052 URI
040		a (SwePub)kthd (SwePub)ki
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Riad, Jacquesu Karolinska Institutet, Dept. of Women's and Children's Health4 aut
245	1 0	a Are Muscle Volume Differences Related to Concentric Muscle Work During Walking in Spastic Hemiplegic Cerebral Palsy?
264	1	b Ovid Technologies (Wolters Kluwer Health),c 2012
338		a print2 rdacarrier
500		a QC 20120611
520		a Background: Individuals with spastic hemiplegic cerebral palsy are typically high functioning and walk without assistive devices. The involved limb is usually smaller and shorter, although it is not clear whether the difference in muscle volume has an impact on walking capacity. Questions/purposes: We determined the volume of muscles important for propulsion and related that volume to concentric muscle work during walking on the hemiplegic and noninvolved sides in patients with cerebral palsy. Patients and Methods: We studied 46 patients (mean age, 17.6 years; range, 13-24 years) with spastic hemiplegic cerebral palsy. We assessed muscle volume using MRI and concentric muscle work in the sagittal plane from the hip, knee, and ankle using three-dimensional gait analysis. Patients were classified by Winters' criteria to assess the involvement of cerebral palsy and movement pattern during walking. Results: On the hemiplegic side, muscles were smaller, except for the gracilis muscle, and concentric muscle work from the ankle plantar flexors, knee extensors, and hip flexors and extensors was lower compared to the noninvolved side. Hip extensor work was higher on the hemiplegic and the noninvolved sides compared to a control group of 14 subjects without cerebral palsy. Hemiplegic to noninvolved volume ratios correlated with work ratios (r = 0.40-0.66). The Winters classification and previous calf muscle surgery predicted work ratios. Conclusions: Our observations of smaller muscles on the hemiplegic side and changes in muscle work on both sides can help us distinguish between primary deviations that may potentially be treatable and compensatory mechanisms that should not be treated.
650	7	a MEDICIN OCH HÄLSOVETENSKAPx Klinisk medicinx Ortopedi0 (SwePub)302112 hsv//swe
650	7	a MEDICAL AND HEALTH SCIENCESx Clinical Medicinex Orthopaedics0 (SwePub)302112 hsv//eng
653		a Adolescent
653		a Cerebral Palsy
653		a Cross-Sectional Studies
653		a Female
653		a Functional Laterality
653		a Hemiplegia
653		a Humans
653		a Magnetic Resonance Imaging
653		a Male
653		a Muscle Contraction
653		a Muscle Spasticity
653		a Muscle
653		a Skeletal
653		a Walking
653		a Young Adult
700	1	a Modlesky, Christopher4 aut
700	1	a Gutierrez-Farewik, Elena,d 1973-u Karolinska Institutet,KTH,Biomekanik,Strukturmekanik,Anders Eriksson4 aut0 (Swepub:kth)u1tekbf6
700	1	a Broström, Eva W.u Karolinska Institutet4 aut
710	2	a Karolinska Institutet, Dept. of Women's and Children's Healthb Biomekanik4 org
773	0	t Clinical Orthopaedics and Related Researchd : Ovid Technologies (Wolters Kluwer Health)g 470:5, s. 1278-1285q 470:5<1278-1285x 0009-921Xx 1528-1132
856	4	u https://europepmc.org/articles/pmc3314764?pdf=render
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-74929
856	4 8	u https://doi.org/10.1007/s11999-011-2093-6
856	4 8	u http://kipublications.ki.se/Default.aspx?queryparsed=id:124606805

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Av författaren/redakt...: Riad, Jacques; Modlesky, Christ ...; Gutierrez-Farewi ...; Broström, Eva W.

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MEDICIN OCH HÄLSOVETENSKAP: MEDICIN OCH HÄLS ...; och Klinisk medicin; och Ortopedi

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