alexa Measurement of skin mechanics
Materials Science

Materials Science

Journal of Material Sciences & Engineering

Author(s): Gregor B E Jemec, Monika Gniadecka, Barbara Jemec

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Skin mechanics may be affected by a number of dermatological and systemic conditions, and reliable quantification of skin distension may therefore be of considerable interest. This study was undertaken in order to assess the intra-and inter-individual variation of measurements of skin distensibil-ity when using Dermaflex A.


Dermaflex is a suction device that measures the deformation of the skin surface within a 10- mm cup following application of given suction. Three levels of suction were studied on the flexural side of the forearm in 19 healthy volunteers.

Results: Increasing levels of suction produced significantly increasing skin distension (P<0.0001) with a significant non-linear trend (P=0.0310). Inter-individual variation (coefficient of variation range 15.43-27.88%) was significantly larger than intra-individual variation (coefficient of variation range 9.16-11.45%, P=0.0031) throughout the range of suction tested. There was no significant difference between the intra- and inter-individual coefficients of variation with different levels of suction.

Conclusion: The results suggest that measurements of skin distensibility can be a useful method for objective determination of skin mechanics.

This article was published in Skin Research & Technology and referenced in Journal of Material Sciences & Engineering

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