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Clin Biomech (Bristol, Avon). 1995 Jan;10(1):36-40.

Comparison of 2-dimensional and 3-dimensional rearfoot motion during walking.

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1
Department of Physical Therapy, Northern Arizona University, Flagstaff, Arizona, USA.

Abstract

The purpose of this study was to investigate the validity of two-dimensional (2-D) analysis with respect to three-dimensional (3-D) analysis for recording rearfoot motion during walking. The results of this study indicated that rearfoot motion measured with either 2-D or 3-D analysis is essentially the same for the initial 60% of the stance phase. There was no significant difference between the two methods on variables typically measured in studies dealing with rearfoot motion. RELEVANCE: The assessment of rearfoot motion during walking in a clinical situation is frequently desirable yet the high cost of equipment and time required for 3-D analysis makes it unreasonable or impractical. The results of this study show that 2-D analysis can be used to measure rearfoot motion accurately and therefore is feasible for use in the clinic.

PMID:
11415529

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