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Am J Vet Res. 1999 Jul;60(7):814-9.

Comparison of stance time and velocity as control variables in force plate analysis of dogs.

Author information

  • 1Department of Small Animal Clinical Sciences, Virginia-Maryland Regional College of Veterinary Medicine, Blacksburg 24060, USA.

Abstract

OBJECTIVE:

To investigate effects of the use of stance time or velocity as control variables on ground reaction forces in lame dogs.

ANIMALS:

12 dogs with pelvic osteotomies.

PROCEDURE:

Data for ground reaction forces were obtained preoperatively and at 2, 4, 6, 8, 12, 16, 20, 24, and 28 weeks postoperatively, using velocity and stance time as control variables. Ground reaction forces obtained were compared between the 2 methods of data collection, as were velocities and stance times of the trials.

RESULTS:

Significant differences in ground reaction forces were not found between the use of velocity or stance time as a control variable at any time. Also, significant differences in stance times or velocities were not found between the 2 methods of data collection. Greatest variation in stance time and velocity was found during periods of greatest lameness.

CONCLUSIONS AND CLINICAL RELEVANCE:

Use of stance time as a control variable in force plate analysis does not lead to significantly different results from use of velocity as a control variable, indicating that either method may be used in force plate analysis of dogs.

PMID:
10407472
[PubMed - indexed for MEDLINE]
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