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Prosthet Orthot Int. 2013 Feb;37(1):65-9. doi: 10.1177/0309364612448391. Epub 2012 Jul 3.

Concurrent validity of the Sensory Organization Test measures in unilateral transtibial amputees.

Author information

1
Centre for Physiotherapy Research, University of Otago, Dunedin, New Zealand.

Abstract

BACKGROUND AND AIM:

The physical asymmetries associated with a prosthesis raises the question of validity of the Sensory Organization Test (SOT) measures (equilibrium score (ES) and strategy score (SS)) in lower limb amputees. This study explores the validity of these measures in transtibial amputees by correlating with their corresponding centre of pressure (COP) excursion/velocity measures.

TECHNIQUE:

Fifteen transtibial amputees (69.5 ± 6.5 years) completed three trials for each of the six SOT conditions.

DISCUSSION:

The Spearman's rank correlation coefficients between ESs and global COP excursion/velocity measures ranged from 0.52 to 0.71 for Conditions 1, 4 and 5, 0.79 to 0.85 for Conditions 2 and 3, and 0.39 to 0.43 for Condition 6. The coefficients for SSs ranged between 0.78 and 0.97 for Conditions 1 to 5 and 0.55 to 0.67 for Condition 6. The corresponding sound and prosthetic side COP variables demonstrated varying strengths of association with ES and SS. Clinical relevance Of the two clinical measures examined, the SSs are strongly reflective of COP excursion/velocity measures and these findings have application in the interpretation of SOT when evaluating balance in transtibial amputees.

PMID:
22760518
DOI:
10.1177/0309364612448391
[Indexed for MEDLINE]

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