scholarly journals Teplota sněhu při běhu na lyžích v obraze dynamické termografie (pilotní studie)

2010 ◽  
Vol 4 (2) ◽  
pp. 25-32
Author(s):  
Jan Novotný Sr. ◽  
Jan Novotný
Keyword(s):  
Pilot Study ◽  
Infrared Thermography ◽  
Linear Dependence ◽  
Thermodynamic Studies ◽  
Thermal Changes ◽  
Cross Country ◽  
Snow Temperature ◽  
Image Frequency ◽  
Moving Speed

The effect of ski friction on the snow temperature increasing is known. Th e made water fi lm facilitates the ski moving. Th e aim of our pilot study was to ascertain a capability of the dynamic infrared thermography to register the quick thermal changes at determined point of snow before and aft er ski moving. We monitored snow aft er immediately before and aft er 12 runs of recreational cross-country skier by dynamic infrared thermography FLIR SC620 with image frequency 30 Hz. We found signifi cant increasing of snow temperature (by 0,2 to 1,7°C), linear dependence of snow warming on ski moving speed, and temperature increasing aft er ski waxing. Th e study confi rmed the dynamic infrared thermography ability to register very quick changes at determined point of snow temperature before and aft er (less than 0,033 s) cross-country skier moving. We have opened next thermodynamic studies for profound understanding of cross-country ski friction and gliding on snow.

The role of infrared thermography in evaluation of proliferative infantile hemangiomas. Results of a pilot study

2013 ◽  
Vol 53 (3) ◽  
pp. e216-e217 ◽  
Author(s):  
Maria T. Garcia-Romero ◽  
Ajith Chakkittakandiyil ◽  
Elena Pope
Keyword(s):  
Pilot Study ◽  
Infrared Thermography

scholarly journals A Pilot Study of Infrared Thermography Based Assessment of Local Skin Temperature Response in Overweight and Lean Women during Oral Glucose Tolerance Test

2019 ◽  
Vol 8 (2) ◽  
pp. 260 ◽  
Author(s):  
Bushra Jalil ◽  
Valentina Hartwig ◽  
Davide Moroni ◽  
Ovidio Salvetti ◽  
Antonio Benassi ◽  
...  
Keyword(s):  
Pilot Study ◽  
Glucose Tolerance ◽  
Oral Glucose Tolerance Test ◽  
Infrared Thermography ◽  
Glucose Tolerance Test ◽  
Tolerance Test ◽  
Oral Glucose ◽  
Temperature Profiles ◽  
Oral Glucose Tolerance ◽  
Overweight Subjects

Obesity is recognized as a major public health issue, as it is linked to the increased risk of severe pathological conditions. The aim of this pilot study is to evaluate the relations between adiposity (and biophysical characteristics) and temperature profiles under thermoneutral conditions in normal and overweight females, investigating the potential role of heat production/dissipation alteration in obesity. We used Infrared Thermography (IRT) to evaluate the thermogenic response to a metabolic stimulus performed with an oral glucose tolerance test (OGTT). Thermographic images of the right hand and of the central abdomen (regions of interests) were obtained basally and during the oral glucose tolerance test (3 h OGTT with the ingestion of 75 g of oral glucose) in normal and overweight females. Regional temperature vs BMI, % of body fat and abdominal skinfold were statistically compared between two groups. The study showed that mean abdominal temperature was significantly greater in lean than overweight participants (34.11 ± 0.70 °C compared with 32.92 ± 1.24 °C, p < 0.05). Mean hand temperature was significantly greater in overweight than lean subjects (31.87 ± 3.06 °C compared with 28.22 ± 3.11 °C, p < 0.05). We observed differences in temperature profiles during OGTT between lean and overweight subjects: The overweight individuals depict a flat response as compared to the physiological rise observed in lean individuals. This observed difference in thermal pattern suggests an energy rate imbalance towards nutrients storage of the overweight subjects.

Infrared thermography processing to characterize emotional stress: a pilot study

2017 ◽  
Author(s):  
E. Gomez de Mariscal ◽  
A. Munoz-Barrutia ◽  
J. de Frutos ◽  
A.P. Gonzalez-Marcos ◽  
A.M. Ugena Martinez
Keyword(s):  
Pilot Study ◽  
Infrared Thermography ◽  
Emotional Stress

scholarly journals Multimodal Imaging for the Detection of Brown Adipose Tissue Activation in Women: A Pilot Study Using NIRS and Infrared Thermography

2017 ◽  
Vol 2017 ◽  
pp. 1-6 ◽  
Author(s):  
Valentina Hartwig ◽  
Letizia Guiducci ◽  
Martina Marinelli ◽  
Laura Pistoia ◽  
Tommaso Minutoli Tegrimi ◽  
...  
Keyword(s):  
Adipose Tissue ◽  
Pilot Study ◽  
Brown Adipose Tissue ◽  
Infrared Thermography ◽  
Pharmacological Intervention ◽  
Oral Glucose ◽  
Cold Stimulation ◽  
Standard Clinical Practice ◽  
Obesity And Diabetes ◽  
Brown Adipose

Purpose. A clear link between obesity and brown adipose tissue (BAT) dysfunction has been recently demonstrated. The purpose of this pilot study is to determine if near-infrared spectroscopy (NIRS) 2D imaging together with infrared thermography (IRT) is capable of identifying thermal and vascular response in the supraclavicular (SCV) areas after the ingestion of an oral glucose load as a thermogenic stimulation. Method. We studied two groups of women (obese versus lean) for discerning their different responses. NIRS and IRT images were acquired on the neck in the left SCV region during a 3 h oral glucose tolerance test (OGTT) and immediately after a cold stimulation. Results. We detected a significant thermal response of BAT in SCV fossa in both groups. Both during OGTT and after cold stimulation, skin temperature was persistently higher in lean versus obese. This response was not coupled with changes in oxygen saturation of subcutaneous tissue in that area. Discussion and Conclusion. The results show that NIRS/IRT may be a novel, noninvasive, radiation-free, easy to use, and low-cost method for monitoring, during the standard clinical practice, the diet and pharmacological intervention which aims to stimulate BAT as a potential therapeutic target against obesity and diabetes.

scholarly journals Testing eye temperature assessed with infrared thermography to evaluate stress in meat goats raised in a semi-intensive farming system: a pilot study

2019 ◽  
Vol 62 (1) ◽  
pp. 199-204
Author(s):  
Ester Bartolomé ◽  
Florencia Azcona ◽  
María Cañete-Aranda ◽  
Davinia I. Perdomo-González ◽  
Joana Ribes-Pons ◽  
...  
Keyword(s):  
Pilot Study ◽  
Infrared Thermography ◽  
Stress Test ◽  
Farming Systems ◽  
Farming System ◽  
High Positive Correlation ◽  
Intensive Farming ◽  
Meat Goats ◽  
Stress Levels ◽  
Eye Temperature

Abstract. The Blanca Serrana goat is selected for meat production and usually raised in an extensive farm system. The meat goat industry is getting bigger in Spain, evolving to more intensive farming systems. The negative influence of stress produced by daily management on animal welfare is even bigger in these animals as they are not used to getting so close to humans. Eye temperature has recently appeared as an appropriate and noninvasive tool for welfare assessment in cattle, but no previous studies have been developed in goats. Thus, the main aim of this pilot study was to test eye temperature as a noninvasive tool to explore stress levels associated with a semi-intensive farming system for meat goats in comparison with the standard measurements of stress. For that, 24 Blanca Serrana goats were used. Heart rate (HR), respiratory rate (RR) and eye temperature (ET), assessed with infrared thermography samples, were collected just before and just after a stressful situation created to check how the routine management of semi-intensive farming systems affected this species. A factorial ANOVA, least square means and Scheffé post hoc comparison analyses found statistically significant differences due to the stress test moment for RR (p < 0.05) and ET (p < 0.001) with higher values shown after the stress test than before it. Differences due to age were found just for HR (p < 0.05) and RR (p < 0.01) stress parameters, with kids showing higher results than adults. Pearson correlations between HR, RR and ET parameters showed a medium–high positive correlation of 0.56 between RR and ET. Thus, ET appears as an appropriate and noninvasive tool to explore stress levels associated with a semi-intensive farming system for meat goats.

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