Abstract:
CONTEXT:Various studies report decreased muscle activation in the concavity of the curve in patients with scoliosis. Such decreased muscle-performance capacity could lead to sustained postural deficits. OBJECTIVE:To investigate whether specific asymmetrical sports therapy exercises rather than symmetrical back strengthening can increase EMG amplitudes of paraspinal muscles in the concavity of the curve. DESIGN:Cross-sectional. SETTING:Laboratory. PARTICIPANTS:16 patients with idiopathic scoliosis. INTERVENTIONS:Patients performed 4 back-strengthening exercises (front press, lat pull-down, roman chair, bent-over barbell row) during 1 test session. Each exercise was performed in a symmetrical and asymmetrical variant and repeated 3 times. MAIN OUTCOME MEASURE:EMG amplitudes of the paraspinal muscles were recorded in the thoracic and lumbar apexes of the scoliotic curve during each exercise. Ratios of convex- to concave-side EMG activity were calculated. RESULTS:Statistical analysis revealed that the asymmetrical variants of front press at the lumbar level (P=.002) and roman chair and bent-over barbell row at the thoracic level (P<.0001, .001 respectively) were superior in increasing EMG amplitudes in the concavity of the scoliotic curve. CONCLUSIONS:Specific asymmetrical exercises increase EMG amplitudes of paraspinal muscles in the concavity. If confirmed in longitudinal studies measuring improvements of postural deficits, these exercises may advance care of patients with scoliosis.
journal_name
J Sport Rehabiljournal_title
Journal of sport rehabilitationauthors
Schmid AB,Dyer L,Böni T,Held U,Brunner Fdoi
10.1123/jsr.19.3.315subject
Has Abstractpub_date
2010-08-01 00:00:00pages
315-27issue
3eissn
1056-6716issn
1543-3072journal_volume
19pub_type
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journal_title:Journal of sport rehabilitation
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更新日期:2009-08-01 00:00:00
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pub_type: 杂志文章,随机对照试验
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更新日期:2019-03-01 00:00:00
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