Anatomic and functional leg-length inequality: A review and recommendation for clinical decision-making. Part II, the functional or unloaded leg-length asymmetry

被引:36
作者
Knutson G.A. [1 ]
机构
[1] Bloomington, IN 47404
来源
Chiropractic & Osteopathy | / 13卷 / 1期
关键词
Functional; Leg-length inequality; Low back pain;
D O I
10.1186/1746-1340-13-12
中图分类号
学科分类号
摘要
Background: Part II of this review examines the functional "short leg" or unloaded leg length alignment asymmetry, including the relationship between an anatomic and functional leg-length inequality. Based on the reviewed evidence, an outline for clinical decision making regarding functional and anatomic leg-length inequality will be provided. Methods: Online databases: Medline, CINAHL and Mantis. Plus library searches for the time frame of 1970-2005 were done using the term "leg-length inequality". Results and Discussion: The evidence suggests that an unloaded leg-length asymmetry is a different phenomenon than an anatomic leg-length inequality, and may be due to suprapelvic muscle hypertonicity. Anatomic leg-length inequality and unloaded functional or leg-length alignment asymmetry may interact in a loaded (standing) posture, but not in an unloaded (prone/supine) posture. Conclusion: The unloaded, functional leg-length alignment asymmetry is a likely phenomenon, although more research regarding reliability of the measurement procedure and validity relative to spinal dysfunction is needed. Functional leg-length alignment asymmetry should be eliminated before any necessary treatment of anatomic LLI. © 2005 Knutson; licensee BioMed Central Ltd.
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