Measuring lower limb circumference and volume – introduction of a novel optical 3D volumetric measurement system
-
Thomas Tischer
,
Sebastian Oye
Abstract
This study comprised two experiments: (1) the reliability of a novel optical three-dimensional (3D) volumetric measurement system (BODYTRONIC® 600) for the assessment of lower limb circumference and volume; (2) the comparison of data obtained from BODYTRONIC® 600 with that provided by computed tomography (CT) for accuracy estimation. Reliability was assessed in 20 healthy subjects. Accuracy was determined by comparing the deviations in the surface topology of two 3D models obtained from BODYTRONIC® 600 and CT. Reliability was very high for leg circumference measures [coefficient of variations (CVs) range 0.3%–1.3%] and slightly lower for foot circumference (CVs around 2.0%). Reliability of leg volume was also found to be very high (CVs ≤ 2.5%). Differences in surface topology between BODYTRONIC® 600 and CT were primarily below 1 mm indicating high accuracy. The volumes of the foot were higher (range 0.9%–1.7%) and that of the leg, lower (range 1.0%–1.3%) compared to CT. The BODYTRONIC® 600 system provides fast, highly reliable and accurate measures of lower limb circumference and volume and can be considered as a valuable measurement tool for use in various research and clinical applications.
Author Statement
Research funding: Authors state no funding involved.
Conflict of interest: Authors state no conflict of interest.
Informed consent: Informed consent was obtained from every participant.
Ethical approval: The study was approved by the Ethical Review Committee of the University of Rostock.
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Articles in the same Issue
- Frontmatter
- Review
- Computer-aided classification of small airways dysfunction using impulse oscillometric features: a children-focused review
- Research articles
- Epileptic seizure recognition using EEG wavelet decomposition based on nonlinear and statistical features with support vector machine classification
- Diagnosis of attention-deficit hyperactivity disorder using EOG signals: a new approach
- Quadriceps mechanomyography reflects muscle fatigue during electrical stimulus-sustained standing in adults with spinal cord injury – a proof of concept
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- Functional and radiographic evaluation of an interspinous device as an adjunct for lumbar interbody fusion procedures
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- A left ventricular phantom for 3D echocardiographic twist measurements
- Research on elastic recoil and restoration of vessel pulsatility of Zn-Cu biodegradable coronary stents
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- Measuring lower limb circumference and volume – introduction of a novel optical 3D volumetric measurement system
