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Lower extremity joint contracture according to ambulatory status in children with Duchenne muscular dystrophy

Cited 15 time in Web of Science Cited 16 time in Scopus
Issue Date
2018-08-16
Publisher
BioMed Central
Citation
BMC Musculoskeletal Disorders, 19(1):287
Keywords
Neuromuscular diseaseDuchenne muscular dystrophyCorticosteroidContractureStretching
Abstract
Background
Lower extremity joint contractures have negative effects on gait in children with Duchenne muscular dystrophy (DMD). Thus, contracture prevention is essential for maintaining a patients functional ability and an acceptable quality of life. This study investigated hip flexion (HF), knee flexion (KF), and ankle joint plantar flexion (APF) contractures among male patients with DMD, based on the patients ambulatory status. Differences in major joint contractures, based on passive stretching exercise participation, were also investigated.

Methods
A total of 128 boys with DMD, followed at the DMD clinic of a tertiary care hospital, were included in this cross-sectional study. The passive ranges-of-motion of the hip, knee, and ankle joints were measured, in the sagittal plane, using a goniometer. The Vignos Scale was used to grade ambulatory function. Boys with DMD who performed stretching exercises for more than 5 min/session, > 3 sessions/week, were classified into the stretching group.

Results
The HF (23.5o), KF (43.5o), and APF (34.5o) contracture angles in the non-ambulatory group were more severe than those in the ambulatory group. APF contractures (41 patients, 52.6%) were more frequently observed early, even within the ambulatory period, than were hip (8 patients, 10.3%), and knee joint (17 patients, 21.8%) contractures. Passive stretching exercises > 3 sessions/week were not associated with the degree of lower extremity joint contractures in the ambulatory or non-ambulatory group.

Conclusion
HF, KF, and APF contractures are more common and severe when there is deterioration of ambulatory function. Stretching exercises alone are unlikely to prevent lower extremity joint contractures.
ISSN
1471-2474
Language
English
URI
https://hdl.handle.net/10371/143534
DOI
https://doi.org/10.1186/s12891-018-2212-6
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College of Medicine/School of Medicine (의과대학/대학원)Rehabilitation Medicine (재활의학전공)Journal Papers (저널논문_재활의학전공)
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