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Reliability and validity of the Infoot 3D foot digitizer for normal healthy adults

Sophie De Mits (UGent) , Pascal Coorevits (UGent) , Dirk De Clercq (UGent) , Dirk Elewaut (UGent) , Jim Woodburn and Philip Roosen (UGent)
(2010) FOOTWEAR SCIENCE. 2(2). p.65-75
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Abstract
INTRODUCTION: Abnormal foot posture and foot deformities have been identified as important factors in several foot and lower limb dysfunctions and pathologies. There is still no consensus over the optimum technique(s) to quantify these; hence a foot digitizer might be used as an objective measurement tool. The objective of this study is to check for the validity and the reliability of the Infoot digitizer. METHODS: To investigate the validity of the Infoot digitizer in comparison with weight bearing X-rays and clinical measurements, both used in daily clinical practice, Pearson correlation coefficients were calculated and Bland-Altman plots were analysed. To investigate the reliability of the Infoot digitizer ICC, SEM , SDD and SDD% were calculated. RESULTS AND CONCLUSIONS: Within this healthy population good validity could be demonstrated comparing the linear measurements from the Infoot 3D foot digitizer with the data from X-rays and clinical measurements. The majority of the obtained parameters proved to be very reliable.
Keywords
foot deformity, validity, foot morphology, Foot Digitizer, 3D scan, reliability

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Chicago
De Mits, Sophie, Pascal Coorevits, Dirk De Clercq, Dirk Elewaut, Jim Woodburn, and Philip Roosen. 2010. “Reliability and Validity of the Infoot 3D Foot Digitizer for Normal Healthy Adults.” Footwear Science 2 (2): 65–75.
APA
De Mits, S., Coorevits, P., De Clercq, D., Elewaut, D., Woodburn, J., & Roosen, P. (2010). Reliability and validity of the Infoot 3D foot digitizer for normal healthy adults. FOOTWEAR SCIENCE, 2(2), 65–75.
Vancouver
1.
De Mits S, Coorevits P, De Clercq D, Elewaut D, Woodburn J, Roosen P. Reliability and validity of the Infoot 3D foot digitizer for normal healthy adults. FOOTWEAR SCIENCE. 2010;2(2):65–75.
MLA
De Mits, Sophie, Pascal Coorevits, Dirk De Clercq, et al. “Reliability and Validity of the Infoot 3D Foot Digitizer for Normal Healthy Adults.” FOOTWEAR SCIENCE 2.2 (2010): 65–75. Print.
@article{1079826,
  abstract     = {INTRODUCTION: Abnormal foot posture and foot deformities have been identified as important factors in several foot and lower limb dysfunctions and pathologies.  There is still no consensus over the optimum technique(s) to quantify these; hence a foot digitizer might be used as an objective measurement tool. The objective of this study is to check for the validity and the reliability of the Infoot digitizer.
METHODS: To investigate the validity of the Infoot digitizer in comparison with weight bearing X-rays and clinical measurements, both used in daily clinical practice, Pearson correlation coefficients were calculated and Bland-Altman plots were analysed. To investigate the reliability of the Infoot digitizer ICC, SEM , SDD and SDD\% were calculated. 
RESULTS AND CONCLUSIONS: Within this healthy population good validity could be demonstrated comparing the linear measurements from the Infoot 3D foot digitizer with the data from X-rays and clinical measurements. The majority of the obtained parameters proved to be very reliable.},
  author       = {De Mits, Sophie and Coorevits, Pascal and De Clercq, Dirk and Elewaut, Dirk and Woodburn, Jim and Roosen, Philip},
  issn         = {1942-4280},
  journal      = {FOOTWEAR SCIENCE},
  keyword      = {foot deformity,validity,foot morphology,Foot Digitizer,3D scan,reliability},
  language     = {eng},
  number       = {2},
  pages        = {65--75},
  title        = {Reliability and validity of the Infoot 3D foot digitizer for normal healthy adults},
  url          = {http://dx.doi.org/10.1080/19424281003685694},
  volume       = {2},
  year         = {2010},
}

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