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Ophey MJ, Westerweel A, van Oort M, van den Berg R, Kerkhoffs GMMJ, Tak IJR. Near-Infrared Spectroscopy measurements are reliable for studying patellar bone hemodynamics and affected by venous occlusion, but not by skin compression. J Exp Orthop 2023; 10:124. [PMID: 38017345 PMCID: PMC10684445 DOI: 10.1186/s40634-023-00709-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 11/20/2023] [Indexed: 11/30/2023] Open
Abstract
PURPOSE According to the homeostasis model, patellofemoral pain (PFP) results from disturbed homeostasis due to vascular insufficiency in the anterior knee. Near-Infrared Spectroscopy (NIRS) measures relative changes in concentrations (in µmol/cm2) of (de-)oxygenated hemoglobine (HHb and O2Hb). The aims were to: 1) investigate the characteristics of the NIRS signal derived from the patella during experiments affecting hemodynamics in healthy controls, and 2) determine the test-retest reliability of NIRS in positions clinically relevant for PFP patients. METHODS Two experiments were conducted on 10 healthy controls and analysed using Student's t-test. Reliability (ICC2,1) was evaluated for two activities ('Prolonged Sitting' and 'Stair Descent') in five PFP patients and 15 healthy controls, performed twice within five days. RESULTS The NIRS signal (HHb and O2Hb) showed a statistically significant increase (p < .001 - .002) on all optodes (30, 35, 40 mm) during 'Venous Occlusion' (M = 1.0 - 2.0), while it showed no statistically significant change (p = .075 - .61) during 'Skin Compression' (M = -0.9 - 0.9) on the 30 and 35 mm optode. Reliability of NIRS (HHb and O2Hb) ranged from moderate to almost perfect (ICC2,1 = .47 - .95) on the 30 mm optode for 'Prolonged Sitting', and from moderate to substantial (ICC2,1 = .50 - .68) on the 35 mm optode for 'Stair Descent'. CONCLUSIONS Patella NIRS measurements are affected by venous occlusion, but not by skin compression, and are sufficiently reliable as research application to compare real-time patellar bone hemodynamics. These insights may assist to improve effectiveness of evidence-based treatment strategies for PFP. TRIAL REGISTRATION ISRCTN Trial Registration under number: 90377123.
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Affiliation(s)
- Martin J Ophey
- IJsveldFysio - Private Physical Therapy Clinic, Nijmegen, The Netherlands.
- Department of Orthopaedic Surgery and Sports Medicine, Amsterdam UMC Location University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands.
- ESP Science and Education, Vienna, Austria.
| | - Anne Westerweel
- RU - Radboud University, Biomedical Sciences, Nijmegen, The Netherlands
| | - Maxime van Oort
- RU - Radboud University, Biomedical Sciences, Nijmegen, The Netherlands
| | - Robert van den Berg
- ESP Science and Education, Vienna, Austria
- FH Burgenland, Physical Therapy Department, University of Applied Science, Pinkafeld, Austria
- AIM - Austrian Institute of Management, Advanced Physiotherapy & Management, Eisenstadt, Austria
| | - Gino M M J Kerkhoffs
- Department of Orthopaedic Surgery and Sports Medicine, Amsterdam UMC Location University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
- Amsterdam Collaboration On Health & Safety in Sports (ACHSS), IOC Research Center, Amsterdam, The Netherlands
- Academic Center for Evidence-Based Sports Medicine (ACES), Amsterdam, The Netherlands
| | - Igor J R Tak
- ESP Science and Education, Vienna, Austria
- Amsterdam Collaboration On Health & Safety in Sports (ACHSS), IOC Research Center, Amsterdam, The Netherlands
- Academic Center for Evidence-Based Sports Medicine (ACES), Amsterdam, The Netherlands
- Physiotherapy Utrecht Oost - Sports Rehabilitation and Manual Therapy, Utrecht, The Netherlands
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Trejo-Chavez O, Priego-Quesada JI, Gonzalez-Hernandez MP, Morales-Hernandez LA, Cruz-Albarran IA. Knee skin temperature response of patients with bilateral patellofemoral syndrome before and after heat and cold stress. J Therm Biol 2023; 115:103601. [PMID: 37327617 DOI: 10.1016/j.jtherbio.2023.103601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 05/18/2023] [Accepted: 05/20/2023] [Indexed: 06/18/2023]
Abstract
Patellofemoral Pain Syndrome is characterized by the presence of pain in the front area of the knee, which occurs when performing common activities such as climbing stairs, and bending the knees, among others. The objective of this research was to evaluate the detection capability of infrared thermography in patients with Patellofemoral Pain Syndrome, in the baseline state, as well as after the application of thermal stress. The investigation was conducted in 48 patients, who were subdivided into four groups (n = 12). Two subgroups were healthy patients and two with Patellofemoral Pain Syndrome. For the diagnosis of the syndrome, a manual evaluation was performed using the Zohlen test and Q angle measurement. Subsequently, cold stress was applied for 10 min to a healthy subgroup and an experimental subgroup. The remaining two subgroups were subjected to heat stress for 15 min. Thermographic images of the lower extremities were acquired at seven time points, at baseline, immediately after application of thermal stress and then every 3 min until 15 min were completed. It was observed that patients presented Patellofemoral Pain Syndrome bilaterally. After statistical analysis, it was found that there were no significant differences in baseline temperature between the groups. However, for heat stress, a higher temperature was observed in the group with Patellofemoral Pain Syndrome (p < 0.05) in the recovery period, and in the case of cold stress, only a lower temperature in the left knee immediately after the application. In conclusion, it is not possible to detect patellofemoral syndrome bilaterally in the baseline state by thermography and neither is it evident in cold stress. However, after heat stress, thermal recovery is lower for the PFPS group, so it would be susceptible to detection.
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Affiliation(s)
- Omar Trejo-Chavez
- Mechatronics, Engineering Faculty, Campus San Juan del Río, Autonomous University of Queretaro, San Juan del Rio, Queretaro, 76806, Mexico
| | - Jose I Priego-Quesada
- Research Group in Sport Biomechanics (GIBD), Department of Physical Education and Sports, University of Valencia, Valencia, Spain
| | | | - Luis A Morales-Hernandez
- Mechatronics, Engineering Faculty, Campus San Juan del Río, Autonomous University of Queretaro, San Juan del Rio, Queretaro, 76806, Mexico
| | - Irving A Cruz-Albarran
- Mechatronics, Engineering Faculty, Campus San Juan del Río, Autonomous University of Queretaro, San Juan del Rio, Queretaro, 76806, Mexico.
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Aylwin PE, Racinais S, Bermon S, Lloyd A, Hodder S, Havenith G. The use of infrared thermography for the dynamic measurement of skin temperature of moving athletes during competition; methodological issues. Physiol Meas 2021; 42. [PMID: 34320480 DOI: 10.1088/1361-6579/ac1872] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 07/28/2021] [Indexed: 01/28/2023]
Abstract
Objective. To investigate the use of infrared thermography (IRT) for skin temperature measurement of moving athletes during competition and its sensitivity to factors that are traditionally standardised.Approach. Thermograms were collected for 18 female athletes during the 20 km racewalk at the 2019 World Athletics Championships, with a medium-wave, cooled indium antimonide medium wave infrared band (MWIR) and a long-wave, uncooled microbolometer longwave infrared band (LWIR) infrared camera.Main results. The MWIR provided greater clarity images of motion due to a shorter exposure and response time and produced a higher percentage of acceptable images. Analysing acceptable images only, the LWIR and WMIR produced good levels of agreement, with a bias of -0.1 ± 0.6 °C in mean skin temperature for the LWIR. As the surface area of an ROI was reduced, the measured temperature became less representative of the whole ROI. Compared to measuring the whole area ROI, a single central pixel produced a bias of 0.3 ± 0.3 °C (MWIR) and 0.1 ± 0.4 °C (LWIR) whilst using the maximum and minimum temperature pixels resulted in deviations of 1.3 ± 0.4 °C and -1.1 ± 0.3 °C (MWIR) and 1.2 ± 0.3 °C and -1.3 ± 0.4 °C (LWIR). The sensitivity to air and reflected temperatures was lower for the LWIR camera, due to the higher emissivity of skin in its wavelength.Significance. IRT provides an appropriate tool for the measurement of skin temperature during real-world competition and critically during athlete motion. The cheaper LWIR camera provides a feasible alternative to the MWIR in low rate of motion scenarios, with comparable precision and sensitivity to analysis. However, the LWIR is limited when higher speeds prevent the accurate measurement and ability to capture motion.
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Affiliation(s)
- Polly E Aylwin
- Environmental Ergonomics Research Centre, Loughborough University, United Kingdom
| | | | - Stéphane Bermon
- World Athletics, Health and Science Department, Principality of Monaco, Europe.,LAMHESS, Université Côte d'Azur, France
| | - Alex Lloyd
- Environmental Ergonomics Research Centre, Loughborough University, United Kingdom
| | - Simon Hodder
- Environmental Ergonomics Research Centre, Loughborough University, United Kingdom
| | - George Havenith
- Environmental Ergonomics Research Centre, Loughborough University, United Kingdom
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Liu L, Gisselman AS, Tumilty S. Thermal profiles over the Patella tendon in a cohort of non-injured collegiate athletes over the course of a cross-country season. Phys Ther Sport 2020; 44:47-52. [PMID: 32416581 DOI: 10.1016/j.ptsp.2020.04.034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 04/28/2020] [Accepted: 04/29/2020] [Indexed: 12/30/2022]
Abstract
OBJECTIVES To determine normal temperatures over the Patella tendon over eleven weeks. DESIGN A prospective cohort study with eleven weeks of observation. SETTING University's Human Biomechanics and Physiology Laboratory. PARTICIPANTS Male or female collegiate runners running at least 25 miles per week who did not report pain in the region of the Patella tendon over 11 weeks of data collection. MAIN OUTCOME MEASURES Thermal images taken at the same time and day of the week, were used to measure the temperature of the skin over the Patella tendon. RESULTS Eighteen athletes were eligible for analysis. The mean temperature of the Patella tendon was 30.13 °C (SD = 1.51 °C). Patella tendon temperature changes over time were insignificant (right p = 0.66, left p = 0.90) with ICC right = 0.92, left = 0.94. Mean temperature difference side to side was 0.14 °C (SD = 0.60 °C). Mixed-model Linear regression for mean temperature differences found the effect of (i) time (t = 0.39, p = 0.70, df = 361) and (ii) side (t = -0.89, p = 0.38, df = 361) to be insignificant. CONCLUSIONS This is the first report of normal thermal profiles of collegiate runners over an extended period. Temperature variation above 1.20 °C may represent an abnormal asymmetry in the running population. Variations in Patella tendon temperatures left to right, and over time were not significant.
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Affiliation(s)
- Lizhou Liu
- Centre for Health, Activity, and Rehabilitation Research, School of Physiotherapy, University of Otago, Dunedin, New Zealand
| | | | - Steve Tumilty
- Centre for Health, Activity, and Rehabilitation Research, School of Physiotherapy, University of Otago, Dunedin, New Zealand.
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Alexander J, Richards J, Attah O, Cheema S, Snook J, Wisdell C, May K, Selfe J. Delayed effects of a 20-min crushed ice application on knee joint position sense assessed by a functional task during a re-warming period. Gait Posture 2018; 62:173-178. [PMID: 29554515 DOI: 10.1016/j.gaitpost.2018.03.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Revised: 02/08/2018] [Accepted: 03/06/2018] [Indexed: 02/02/2023]
Abstract
UNLABELLED Delayed effects of a 20-min crushed ice application on knee joint position sense assessed by a functional task during a re-warming period. INTRODUCTION The effect of cryotherapy on joint positioning presents conflicting debates as to whether individuals are at an increased risk of injury when returning to play following cryotherapy application at the lower limb. OBJECTIVES The aim of this study was to investigate whether a 20 min application of crushed ice at the knee affects knee joint kinematics immediately post and up to 20 mins post ice removal, during a small knee bend. METHOD 17 healthy male participants took part in the study performing a functional task. Using three-dimensional motion analysis (Qualisys Medical AB Gothenburg, Sweden), kinematics of the knee were measured during a weight bearing functional task pre and immediately post, 5, 10, 15 and 20 min post cryotherapy intervention. Skin surface temperature (Tsk) cooling was measured via infrared non-contact thermal imaging (Flir Systems, Danderyd, Sweden) over the anterior and medial aspect of the knee. RESULTS Results demonstrated significant reductions in the ability to accurately replicate knee joint positioning. A significant increase (P ≧ 0.05) in rotational movement in the transverse plane occurred, 20 min post ice removal. DISCUSSION A 20-min application of crushed ice to the anterior aspect of the non-dominant knee has an adverse effect on knee joint repositioning and dynamic stability, 20 min after ice is removed. In consideration of returning a land-based athlete to dynamic functional activities, post cryotherapeutic intervention at the knee, clinicians should consider these findings due to the potential increase risk of injury.
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Affiliation(s)
- Jill Alexander
- University of Central Lancashire, Allied Health Professions Research Unit, Brook Building, Preston, Lancashire, PR1 2HE, United Kingdom.
| | - Jim Richards
- University of Central Lancashire, Allied Health Professions Research Unit, Brook Building, Preston, Lancashire, PR1 2HE, United Kingdom
| | - Obed Attah
- University of Central Lancashire, Allied Health Professions Research Unit, Brook Building, Preston, Lancashire, PR1 2HE, United Kingdom
| | - Sam Cheema
- University of Central Lancashire, Allied Health Professions Research Unit, Brook Building, Preston, Lancashire, PR1 2HE, United Kingdom
| | - Joanna Snook
- University of Central Lancashire, Allied Health Professions Research Unit, Brook Building, Preston, Lancashire, PR1 2HE, United Kingdom
| | - Chloe Wisdell
- University of Central Lancashire, Allied Health Professions Research Unit, Brook Building, Preston, Lancashire, PR1 2HE, United Kingdom
| | - Karen May
- University of Central Lancashire, Allied Health Professions Research Unit, Brook Building, Preston, Lancashire, PR1 2HE, United Kingdom
| | - James Selfe
- Manchester Metropolitan University, Department of Health Professions, Manchester, Brooks Building, M15 6GX, United Kingdom
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Matos F, Neves EB, Rosa C, Reis VM, Saavedra F, Silva S, Tavares F, Vilaça-Alves J. Effect of Cold-Water Immersion on Elbow Flexors Muscle Thickness After Resistance Training. J Strength Cond Res 2017; 32:756-763. [PMID: 29120980 DOI: 10.1519/jsc.0000000000002322] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Matos, F, Neves, EB, Rosa, C, Reis, VM, Saavedra, F, Silva, S, Tavares, F, and Vilaça-Alves, J. Effect of cold-water immersion on elbow flexors muscle thickness after resistance training. J Strength Cond Res 32(3): 756-763, 2018-Cold-water immersion (CWI) is commonly applied to speed up the recovery process after exercise. Muscle damage may induce a performance reduction and consequence of the intramuscular pressure induced by the muscular swelling. The aim of the study was to verify the CWI effects on muscle thickness (MT) behavior of the elbow flexors after a strength training (ST) protocol. Eleven men were submitted to an ST, performed in 2 different weeks. In one of the weeks, subjects experienced a passive recovery. In the other, subjects were submitted to a CWI (20 minutes at 5-10° C). Ultrasound (US) images were taken before, after, as well as 24, 48, and 72 hours after exercise, to evaluate the MT. Muscle thickness in both exercise arm (EA) and control arm (CA) was significantly higher 48 and 72 hours after exercise when subjects were submitted to a passive recovery compared with the CWI (p = 0.029, p = 0.028, p = 0.009, and p = 0.001, 48 hours, 72 hours, EA, and CA, respectively). When each arm was analyzed with or without using CWI individually, significantly higher MT was observed in the EA with CWI: before exercise in relation to 72 hours after exercise (p = 0.042) and after exercise in relation to the other measurements (p = 0.003, p = 0.003, p = 0.038, and p < 0.0001, before exercise and 24, 48, 72 hours after exercise, respectively). The evaluation of MT by US provides evidence that CWI after ST (and 24 hours after exercise) may reduce muscle swelling in the postexercise days when compared with a passive recovery. Seems to be a paradox between the uses of CWI for an acute reduction of muscle swelling.
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Affiliation(s)
- Filipe Matos
- Research Center for Sports, Health Sciences and Human Development, CIDESD, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | | | - Claudio Rosa
- Research Center for Sports, Health Sciences and Human Development, CIDESD, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - Victor M Reis
- Research Center for Sports, Health Sciences and Human Development, CIDESD, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - Francisco Saavedra
- Research Center for Sports, Health Sciences and Human Development, CIDESD, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - Severiano Silva
- Zootecnia Department, Trás-os-Montes and Alto Douro University, Vila Real, Portugal
| | | | - José Vilaça-Alves
- Research Center for Sports, Health Sciences and Human Development, CIDESD, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
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Moreira DG, Costello JT, Brito CJ, Adamczyk JG, Ammer K, Bach AJ, Costa CM, Eglin C, Fernandes AA, Fernández-Cuevas I, Ferreira JJ, Formenti D, Fournet D, Havenith G, Howell K, Jung A, Kenny GP, Kolosovas-Machuca ES, Maley MJ, Merla A, Pascoe DD, Priego Quesada JI, Schwartz RG, Seixas AR, Selfe J, Vainer BG, Sillero-Quintana M. Thermographic imaging in sports and exercise medicine: A Delphi study and consensus statement on the measurement of human skin temperature. J Therm Biol 2017; 69:155-162. [DOI: 10.1016/j.jtherbio.2017.07.006] [Citation(s) in RCA: 153] [Impact Index Per Article: 21.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Revised: 06/27/2017] [Accepted: 07/17/2017] [Indexed: 11/28/2022]
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Lasanen R, Malo MK, Airaksinen O, Karhu J, Töyräs J, Julkunen P. Infrared thermography reveals effect of working posture on skin temperature in office workers. INTERNATIONAL JOURNAL OF OCCUPATIONAL SAFETY AND ERGONOMICS 2017; 24:457-463. [DOI: 10.1080/10803548.2017.1336299] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Roope Lasanen
- Department of Applied Physics, University of Eastern Finland, Finland
- Thermidas Ltd, Finland
| | - Markus K.H. Malo
- Department of Applied Physics, University of Eastern Finland, Finland
| | - Olavi Airaksinen
- Department of Physical Medicine and Rehabilitation, Kuopio University Hospital, Finland
| | - Jari Karhu
- Institute of Biomedicine, University of Eastern Finland, Finland
| | - Juha Töyräs
- Department of Applied Physics, University of Eastern Finland, Finland
- Department of Clinical Neurophysiology, Kuopio University Hospital, Finland
| | - Petro Julkunen
- Department of Applied Physics, University of Eastern Finland, Finland
- Department of Clinical Neurophysiology, Kuopio University Hospital, Finland
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Sanz-López F, Martínez-Amat A, Hita-Contreras F, Valero-Campo C, Berzosa C. Thermographic Assessment of Eccentric Overload Training Within Three Days of a Running Session. J Strength Cond Res 2016; 30:504-11. [PMID: 26110350 DOI: 10.1519/jsc.0000000000001071] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The aim of this study was to analyze the changes in patellar and Achilles tendons between a group trained using eccentric overload and an untrained group within 3 days of a running session. To this end, infrared thermography (IRT) will be used. Twenty healthy male subjects were divided into 2 groups. One group performed a 6-week squat training in the flywheel before the running session. During the running intervention, both groups ran in 3 different days, for 1 hour each, at 80% maximal heart rate. Before, just after, and after 10 minutes of the running intervention, participants were assessed using IRT. Eccentrically trained groups showed a statistically significant difference (analysis of variance, p = 0.0049) expressed as a smaller bilateral increase in temperature in the patellar tendon just before the first running day (right side, 0.11 °C; left side, 0.29 °C). On the other days of running and in the Achilles tendon groups, similar changes were observed: an increase in the temperature after running and no significant difference between contralateral limbs. Our results point at eccentric overload training providing a better adaptation for the first day of running. IRT is an easy-to-apply noninvasive tool to analyze and compare the effects of performance on tendon tissues.
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Affiliation(s)
- Fernando Sanz-López
- 1Valora Research Group, Health Sciences Faculty, San Jorge University, Zaragoza, Spain; 2Department of Health Sciences, Faculty of Health Sciences, University of Jaén, Jaén, Spain; and 3Research Group CTS-026 "Study Group on Physical Activity, Physiotherapy and Health," Jaén, Spain
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Bach AJE, Stewart IB, Minett GM, Costello JT. Does the technique employed for skin temperature assessment alter outcomes? A systematic review. Physiol Meas 2015; 36:R27-51. [DOI: 10.1088/0967-3334/36/9/r27] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Maniar N, Bach AJE, Stewart IB, Costello JT. The effect of using different regions of interest on local and mean skin temperature. J Therm Biol 2015; 49-50:33-8. [PMID: 25774024 DOI: 10.1016/j.jtherbio.2015.01.008] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2014] [Revised: 01/30/2015] [Accepted: 01/30/2015] [Indexed: 11/25/2022]
Abstract
The dynamic nature of tissue temperature and the subcutaneous properties, such as blood flow, fatness, and metabolic rate, leads to variation in local skin temperature. Therefore, we investigated the effects of using multiple regions of interest when calculating weighted mean skin temperature from four local sites. Twenty-six healthy males completed a single trial in a thermonetural laboratory (mean ± SD): 24.0 (1.2)°C; 56 (8%) relative humidity; <0.1 m/s air speed). Mean skin temperature was calculated from four local sites (neck, scapula, hand and shin) in accordance with International Standards using digital infrared thermography. A 50 mm × 50 mm, defined by strips of aluminium tape, created six unique regions of interest, top left quadrant, top right quadrant, bottom left quadrant, bottom right quadrant, centre quadrant and the entire region of interest, at each of the local sites. The largest potential error in weighted mean skin temperature was calculated using a combination of a) the coolest and b) the warmest regions of interest at each of the local sites. Significant differences between the six regions interest were observed at the neck (P<0.01), scapula (P<0.001) and shin (P<0.05); but not at the hand (P = 0.482). The largest difference (± SEM) at each site was as follows: neck 0.2 (0.1)°C; scapula 0.2 (0.0)°C; shin 0.1 (0.0)°C and hand 0.1 (0.1)°C. The largest potential error (mean ± SD) in weighted mean skin temperature was 0.4 (0.1)°C (P<0.001) and the associated 95% limits of agreement for these differences was 0.2-0.5 °C. Although we observed differences in local and mean skin temperature based on the region of interest employed, these differences were minimal and are not considered physiologically meaningful.
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Affiliation(s)
- Nirav Maniar
- Institute of Health and Biomedical Innovation and School of Exercise and Nutrition Sciences, Queensland University of Technology, Brisbane 4059, Queensland, Australia; School of Exercise Science, Faculty of Health Sciences, Australian Catholic University, Melbourne 3065, Victoria, Australia.
| | - Aaron J E Bach
- Institute of Health and Biomedical Innovation and School of Exercise and Nutrition Sciences, Queensland University of Technology, Brisbane 4059, Queensland, Australia
| | - Ian B Stewart
- Institute of Health and Biomedical Innovation and School of Exercise and Nutrition Sciences, Queensland University of Technology, Brisbane 4059, Queensland, Australia
| | - Joseph T Costello
- Institute of Health and Biomedical Innovation and School of Exercise and Nutrition Sciences, Queensland University of Technology, Brisbane 4059, Queensland, Australia; Extreme Environments Laboratory, Department of Sport and Exercise Science, University of Portsmouth, Portsmouth PO1 2ER, United Kingdom
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Wrobel JS, Ammanath P, Le T, Luring C, Wensman J, Grewal GS, Najafi B, Pop-Busui R. A novel shear reduction insole effect on the thermal response to walking stress, balance, and gait. J Diabetes Sci Technol 2014; 8:1151-6. [PMID: 25107709 PMCID: PMC4455476 DOI: 10.1177/1932296814546528] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Shear stresses have been implicated in the formation of diabetes-related foot ulcers. The aim of this study was to evaluate the effect of a novel shear-reducing insole on the thermal response to walking, balance, and gait. Twenty-seven diabetes peripheral neuropathy patients were enrolled and asked to take 200 steps in both intervention and standard insoles. Thermal foot images of the feet were taken at baseline (1) following a 5-minute temperature acclimatization and (2) after walking. Testing order was randomized, and a 5-minute washout period was used between testing each insole condition. Sudomotor function was also assessed. Gait and balance were measured under single and dual task conditions using a validated body worn sensor system. The mean age was 65.1 years, height was 67.3 inches, weight was 218 pounds, and body mass index was 33.9, 48% were female, and 82% had type 2 diabetes. After walking in both insole conditions, foot temperatures increased significantly in standard insoles. The intervention insole significantly reduced forefoot and midfoot temperature increases (64.1%, P = .008; 48%, P = .046) compared to standard insoles. There were significant negative correlations with sudomotor function and baseline temperatures (r = .53-.57). The intervention demonstrated 10.4% less gait initiation double support time compared to standard insoles (P = .05). There were no differences in static balance measures. We found significantly lower forefoot and midfoot temperature increases following walking with shear-reducing insoles compared to standard insoles. We also found improvements in gait. These findings merit future study for the prevention of foot ulcer.
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Affiliation(s)
- James S Wrobel
- Metabolism, Endocrinology and Diabetes (MEND), University of Michigan, Ann Arbor, MI, USA
| | - Peethambaran Ammanath
- Michigan Orthotics and Prosthetics Center, University of Michigan, Ann Arbor, MI, USA
| | - Tima Le
- Metabolism, Endocrinology and Diabetes (MEND), University of Michigan, Ann Arbor, MI, USA
| | - Christopher Luring
- Michigan Orthotics and Prosthetics Center, University of Michigan, Ann Arbor, MI, USA
| | - Jeffrey Wensman
- Michigan Orthotics and Prosthetics Center, University of Michigan, Ann Arbor, MI, USA
| | | | | | - Rodica Pop-Busui
- Metabolism, Endocrinology and Diabetes (MEND), University of Michigan, Ann Arbor, MI, USA
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Reliability and validity of skin temperature measurement by telemetry thermistors and a thermal camera during exercise in the heat. J Therm Biol 2014; 45:141-9. [PMID: 25436963 DOI: 10.1016/j.jtherbio.2014.08.010] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2014] [Revised: 08/07/2014] [Accepted: 08/21/2014] [Indexed: 11/21/2022]
Abstract
New technologies afford convenient modalities for skin temperature (TSKIN) measurement, notably involving wireless telemetry and non-contact infrared thermometry. The purpose of this study was to investigate the validity and reliability of skin temperature measurements using a telemetry thermistor system (TT) and thermal camera (TC) during exercise in a hot environment. Each system was compared against a certified thermocouple, measuring the surface temperature of a metal block in a thermostatically controlled waterbath. Fourteen recreational athletes completed two incremental running tests, separated by one week. Skin temperatures were measured simultaneously with TT and TC compared against a hard-wired thermistor system (HW) throughout rest and exercise. Post hoc calibration based on waterbath results displayed good validity for TT (mean bias [MB]=-0.18 °C, typical error [TE]=0.18 °C) and reliability (MB=-0.05 °C, TE=0.31 °C) throughout rest and exercise. Poor validity (MB=-1.4 °C, TE=0.35 °C) and reliability (MB=-0.65 °C, TE=0.52 °C) was observed for TC, suggesting it may be best suited to controlled, static situations. These findings indicate TT systems provide a convenient, valid and reliable alternative to HW, useful for measurements in the field where traditional methods may be impractical.
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Selfe J, Alexander J, Costello JT, May K, Garratt N, Atkins S, Dillon S, Hurst H, Davison M, Przybyla D, Coley A, Bitcon M, Littler G, Richards J. The effect of three different (-135°C) whole body cryotherapy exposure durations on elite rugby league players. PLoS One 2014; 9:e86420. [PMID: 24489726 PMCID: PMC3906033 DOI: 10.1371/journal.pone.0086420] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2013] [Accepted: 12/13/2013] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Whole body cryotherapy (WBC) is the therapeutic application of extreme cold air for a short duration. Minimal evidence is available for determining optimal exposure time. PURPOSE To explore whether the length of WBC exposure induces differential changes in inflammatory markers, tissue oxygenation, skin and core temperature, thermal sensation and comfort. METHOD This study was a randomised cross over design with participants acting as their own control. Fourteen male professional first team super league rugby players were exposed to 1, 2, and 3 minutes of WBC at -135°C. Testing took place the day after a competitive league fixture, each exposure separated by seven days. RESULTS No significant changes were found in the inflammatory cytokine interleukin six. Significant reductions (p<0.05) in deoxyhaemoglobin for gastrocnemius and vastus lateralis were found. In vastus lateralis significant reductions (p<0.05) in oxyhaemoglobin and tissue oxygenation index (p<0.05) were demonstrated. Significant reductions (p<0.05) in skin temperature were recorded. No significant changes were recorded in core temperature. Significant reductions (p<0.05) in thermal sensation and comfort were recorded. CONCLUSION Three brief exposures to WBC separated by 1 week are not sufficient to induce physiological changes in IL-6 or core temperature. There are however significant changes in tissue oxyhaemoglobin, deoxyhaemoglobin, tissue oxygenation index, skin temperature and thermal sensation. We conclude that a 2 minute WBC exposure was the optimum exposure length at temperatures of -135°C and could be applied as the basis for future studies.
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Affiliation(s)
- James Selfe
- Allied Health Research Unit, University of Central Lancashire, Preston, United Kingdom
| | - Jill Alexander
- AHRu, University of Central Lancashire, Preston, United Kingdom
| | - Joseph T. Costello
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Kelvin Grove, Queensland, Australia
| | - Karen May
- AHRu, University of Central Lancashire, Preston, United Kingdom
| | - Nigel Garratt
- SSTO, University of Central Lancashire, Preston, United Kingdom
| | - Stephen Atkins
- SENS, University of Central Lancashire, Preston, United Kingdom
| | | | - Howard Hurst
- SENS, University of Central Lancashire, Preston, United Kingdom
| | - Matthew Davison
- SENS, University of Central Lancashire, Preston, United Kingdom
| | - Daria Przybyla
- SENS, University of Central Lancashire, Preston, United Kingdom
| | - Andrew Coley
- Wigan Warriors Rugby League, Central Park, Montrose Avenue, Wigan, United Kingdom
| | - Mark Bitcon
- Wigan Warriors Rugby League, Central Park, Montrose Avenue, Wigan, United Kingdom
| | - Greg Littler
- AHRu, University of Central Lancashire, Preston, United Kingdom
| | - Jim Richards
- AHRu, University of Central Lancashire, Preston, United Kingdom
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Costello JT, Culligan K, Selfe J, Donnelly AE. Muscle, skin and core temperature after -110°c cold air and 8°c water treatment. PLoS One 2012; 7:e48190. [PMID: 23139763 PMCID: PMC3491015 DOI: 10.1371/journal.pone.0048190] [Citation(s) in RCA: 90] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2012] [Accepted: 09/27/2012] [Indexed: 11/18/2022] Open
Abstract
The aim of this investigation was to elucidate the reductions in muscle, skin and core temperature following exposure to −110°C whole body cryotherapy (WBC), and compare these to 8°C cold water immersion (CWI). Twenty active male subjects were randomly assigned to a 4-min exposure of WBC or CWI. A minimum of 7 days later subjects were exposed to the other treatment. Muscle temperature in the right vastus lateralis (n = 10); thigh skin (average, maximum and minimum) and rectal temperature (n = 10) were recorded before and 60 min after treatment. The greatest reduction (P<0.05) in muscle (mean ± SD; 1 cm: WBC, 1.6±1.2°C; CWI, 2.0±1.0°C; 2 cm: WBC, 1.2±0.7°C; CWI, 1.7±0.9°C; 3 cm: WBC, 1.6±0.6°C; CWI, 1.7±0.5°C) and rectal temperature (WBC, 0.3±0.2°C; CWI, 0.4±0.2°C) were observed 60 min after treatment. The largest reductions in average (WBC, 12.1±1.0°C; CWI, 8.4±0.7°C), minimum (WBC, 13.2±1.4°C; CWI, 8.7±0.7°C) and maximum (WBC, 8.8±2.0°C; CWI, 7.2±1.9°C) skin temperature occurred immediately after both CWI and WBC (P<0.05). Skin temperature was significantly lower (P<0.05) immediately after WBC compared to CWI. The present study demonstrates that a single WBC exposure decreases muscle and core temperature to a similar level of those experienced after CWI. Although both treatments significantly reduced skin temperature, WBC elicited a greater decrease compared to CWI. These data may provide information to clinicians and researchers attempting to optimise WBC and CWI protocols in a clinical or sporting setting.
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Affiliation(s)
- Joseph Thomas Costello
- Centre for Physical Activity and Health Research, Department of Physical Education and Sport Sciences, University of Limerick, Castletroy, Limerick, Ireland.
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Holey LA, Dixon J, Selfe J. An Exploratory Thermographic Investigation of the Effects of Connective Tissue Massage on Autonomic Function. J Manipulative Physiol Ther 2011; 34:457-62. [DOI: 10.1016/j.jmpt.2011.05.012] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2011] [Revised: 04/28/2011] [Accepted: 05/12/2011] [Indexed: 11/16/2022]
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Selfe J, Sutton C, Hardaker NJ, Greenhalgh S, Karki A, Dey P. Anterior knee pain and cold knees: a possible association in women. Knee 2010; 17:319-23. [PMID: 19884010 DOI: 10.1016/j.knee.2009.10.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2009] [Revised: 10/08/2009] [Accepted: 10/09/2009] [Indexed: 02/02/2023]
Abstract
Abnormal reactions to environmental cold have been observed in some patients with Anterior Knee Pain (AKP). The aims of this study were to investigate whether palpation of the knee could classify patients into those with and those without cold knees; whether this classification could be objectively validated using thermal imaging; whether the cold and not cold knee groups varied in response to a cold stress test and in patient-reported measures. Fifty eight patients were recruited; palpation classified them into cold and not cold groups. Twenty-one (36%) patients were classified as having a cold knee by palpation: fourteen (36%) females and seven males (37%). Preliminary analysis suggested gender might be an effect modifier and the number of men was small, therefore the analysis focussed on females. Women with cold knees had a significantly smaller patellar skin fold, lower levels of activity and worse scores on the MFIQ, there also appeared to be an association with a traumatic onset. Women with cold knees were more likely to report cold weather affected their knees and they preferred a hot water bottle compared to an ice-pack on their knee; there was also a trend towards having to wear extra tights/long johns in the winter. This study has helped to define a clinical profile for a group of females with AKP and cold knees. This group appears to demonstrate a mild form of Reflex Sympathetic Dystrophy.
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Affiliation(s)
- James Selfe
- School of Public Health and Clinical Sciences, University of Central Lancashire, Preston, Lancashire, United Kingdom.
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Hildebrandt C, Raschner C, Ammer K. An overview of recent application of medical infrared thermography in sports medicine in Austria. SENSORS (BASEL, SWITZERLAND) 2010; 10:4700-15. [PMID: 22399901 PMCID: PMC3292141 DOI: 10.3390/s100504700] [Citation(s) in RCA: 141] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2010] [Revised: 04/02/2010] [Accepted: 04/20/2010] [Indexed: 11/17/2022]
Abstract
Medical infrared thermography (MIT) is used for analyzing physiological functions related to skin temperature. Technological advances have made MIT a reliable medical measurement tool. This paper provides an overview of MIT's technical requirements and usefulness in sports medicine, with a special focus on overuse and traumatic knee injuries. Case studies are used to illustrate the clinical applicability and limitations of MIT. It is concluded that MIT is a non-invasive, non-radiating, low cost detection tool which should be applied for pre-scanning athletes in sports medicine.
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Affiliation(s)
- Carolin Hildebrandt
- Department of Sport Science, University of Innsbruck, Fuerstenweg 185, A-6020 Innsbruck, Austria; E-Mail:
| | - Christian Raschner
- Department of Sport Science, University of Innsbruck, Fuerstenweg 185, A-6020 Innsbruck, Austria; E-Mail:
| | - Kurt Ammer
- Institute for Physical Medicine and Rehabilitation of the Hanuschspital, Heinrich-Collin-Street 30, A-1140 Vienna, Austria; E-Mail:
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Thermal imaging of an ice burn over the patella following clinically relevant cryotherapy application during a clinical research study. Phys Ther Sport 2007. [DOI: 10.1016/j.ptsp.2007.04.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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