Effects of peripheral dynamic movements on the lower-limb circulation assessed by thermography: three one-group studies

Anne Kaerki; Matti Laehdeniemi

doi:10.1117/12.459587

15 March 2002 Effects of peripheral dynamic movements on the lower-limb circulation assessed by thermography: three one-group studies

Anne Kaerki, Matti Laehdeniemi

Author Affiliations +

Proceedings Volume 4710, Thermosense XXIV; (2002) https://doi.org/10.1117/12.459587
Event: AeroSense 2002, 2002, Orlando, FL, United States

Abstract

Peripheral dynamic movements are used as part of postoperative protocols and for preventing vascular complications during bed rest. The effects of peripheral movements have not been studied. The purposes of these studies were to explain the effects of peripheral dynamic movements on lower limb circulation. The aim was also to explain how other factors like sex, age, BMI, medication, smoking, sports activity etc. affect the circulation. Healthy young subjects (N=19), healthy elderly subjects (N=19) and diabetic subjects (N=21) participated in the studies between 1997 and 1999. The study design was the same in each study. Infrared technology and image processing belong to our focus fields of applied research and IR is widely used in our real time industrial applications including also ongoing research of new possibilities. This paper presents the results of our newest application of IR thermography, where it was used to measure the skin temperature over the soleus muscle during and after dynamic ankle movements. The results showed that the skin temperature increased further during the recovery period after movements, and temperature was highest after 3- 5 minutes. Diabetic male subjects were the only subgroup that had immediate decrease during recovery period. The studies showed that smoking had a negative effect on circulation. BMI had also negative correlation (-0,356), showing that subjects with higher BMI had less increase. The results proved that peripheral movements were effective for increasing circulation in the soleus muscle and the effect was still seen after 15 minutes.

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Anne Kaerki and Matti Laehdeniemi "Effects of peripheral dynamic movements on the lower-limb circulation assessed by thermography: three one-group studies", Proc. SPIE 4710, Thermosense XXIV, (15 March 2002); https://doi.org/10.1117/12.459587

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KEYWORDS

Skin

Temperature metrology

Thermography

Applied research

Image processing

Infrared imaging

Infrared technology

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