ArticleIEEE transactions on haptics
Using Digital Image Correlation to Quantify Skin Deformation With Von Frey Monofilaments.
Article in IEEE transactions on haptics. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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Who cites it
6 citing papers in PubMed, 14 citations in OpenAlex.
- Article
- Strain-based biomarkers at the skin surface differentiate asymmetries in soft tissue mobility associated with myofascial pain.Journal of the mechanical behavior of biomedical materials · 2025Article
- Strain-based biomarkers at the skin surface detect changes in soft tissue mobility linked to myofascial pain following soft tissue manipulation intervention.medRxiv : the preprint server for health sciences · 2025Article
- Local postural changes elicit extensive and diverse skin stretch around joints, on the trunk and the face.Journal of the Royal Society, Interface · 2025Article
- Optical Measurements of the Skin Surface to Infer Bilateral Distinctions in Myofascial Tissue Stiffness.World Haptics Conference. World Haptics Conference · 2023Article
- Biomechanics of the finger pad in response to torsion.Journal of the Royal Society, Interface · 2023Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
Thin von Frey monofilaments are a clinical tool used worldwide to assess touch deficits. One's ability to perceive touch with low-force monofilaments (0.008 - 0.07 g) establishes an absolute threshold and thereby the extent of impairment. While individual monofilaments bend at defined forces, there are no empirical measurements of the skin surface's response. In this work, we measure skin surface deformation at light-touch perceptual limits, by adopting an imaging approach using 3D digital image correlation (DIC). Generating point cloud data from three cameras surveilling the index finger pad, we reassemble and stitch together multiple 3D surfaces. Then, in response to each monofilament's indentation over time, we quantify strain across the skin surface, radial deformation emanating from the contact point, penetration depth into the surface, and area between 2D cross-sections. The results show that the monofilaments create distinct states of skin deformation, which align closely with just noticeable percepts at absolute detection and discrimination thresholds, even amidst variance between individuals and trials. In particular, the resolution of the DIC imaging approach captures sufficient differences in skin deformation at threshold, offering promise in understanding the skin's role in perception.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.