Abstract：
STUDY DESIGN:Prospective analysis of relationships. OBJECTIVES:(1) To quantify the relationship between individual lower extremity muscle strength and functional walking measures and (2) to determine whether a multiple regression model incorporating lower extremity muscle strength could predict the performance of functional walking measures in persons with incomplete spinal cord injury (ISCI) living in the community. SETTING:Tertiary rehabilitation center, Vancouver, Canada. METHODS:In all, 22 subjects with ISCI participated. The relationship between functional walking measures (gait speed, 6-min-walk distance, and ambulatory capacity) and muscle strength (manual tests of hip flexors/extensors/abductors, knee flexors/extensors, ankle dorsiflexors/plantarflexors, and great toe extensors) were measured by Pearson's correlation and regression procedures. RESULTS:For both the more and less affected sides, hip flexors, hip extensors, and hip abductors produced the highest correlations with the three functional measures. The less affected hip flexor strength explained more than 50% of the variance in gait speed and 6-min-walk distance while the less affected hip extensor strength explained up to 64% of the variance in ambulatory capacity. For all three functional measures, the strength of the less affected limb was more important than that of the more affected limb. CONCLUSIONS:Lower extremity muscle strength, in particular that of hip flexors, hip extensors, and hip abductors, is an important determinant of functional walking performance.
journal_name
Spinal Cordjournal_title
Spinal cordauthors
Kim CM,Eng JJ,Whittaker MWdoi
10.1038/sj.sc.3101569subject
Has Abstractpub_date
2004-03-01 00:00:00pages
156-62issue
3eissn
1362-4393issn
1476-5624pii
3101569journal_volume
42pub_type
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