Smart Wireless Charging Heating Insoles: Improving Body Thermal Comfort of Young Males in an Extremely Cold Environment

Chen, Zihao; Li, Jialin; Song, Wenfang; Lu, Yehu; Cao, Bifei

doi:10.1177/0887302x20973960

Cited by 8 publications

(17 citation statements)

References 31 publications

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“…A preliminary review of the literature has been carried out into trials seeking to evaluate the efficacy of heating e-textiles in cold environments. [4][5][6][7][8][9][10][14][15][16][17][18] Relevant keywords related to heating, textile, and cold environments were identified and preliminary results showed that the common body regions heated by thermal e-textiles are: (a) torso, (b) feet/toes, and (c) more than two regions. To examine thermal wear performance, researchers generally had an experimental group (HEAT) placed in a cold environment and a control group (CON) situated in a thermo-neutral or in a cold environment but wearing unheated clothing.…”

Section: Methodsmentioning

confidence: 99%

“…11 In some applications temperature can be adjusted automatically with wireless charging which facilitates remote usage. 7 The results of studies illustrate the effectiveness of each textile product in ameliorating human thermal comfort in different situations. In terms of systematic review and meta-analysis, a number of studies have examined personal comfort systems (PCSs) 12 and the effectiveness of cooling garments in minimizing heat strain.…”

mentioning

confidence: 99%

“…In recent years, applications of heating electronic textiles have expanded from purely personal protection to healthcare and medical usage. 1,2 In academic studies, prototypes discussed include a variety of clothing, [3][4][5] wearables, 6,7 and sleeping bags, [8][9][10] which are aimed at improving blood circulation to achieve thermal comfort during daily activities in cold environments and improving sleep quality. Some of these textiles were developed to provide a foot-heating system to treat certain foot conditions.…”

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confidence: 99%

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The effectiveness of e-textiles in providing thermal comfort: A systematic review and meta-analysis

Lee

Tan

Lam

et al. 2022

Textile Research Journal

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Thermal electronic textiles (e-textiles) are increasingly common in the market and aim to provide thermal comfort in cold environments. Currently, however, there is a paucity of information on the relative effectiveness of the different types of thermal e-textile. This study sets out to compare the effectiveness of a range of such textiles reported in the relevant literature. The study addresses the issue of heating effectiveness in terms of gender and particular body regions. Among the results reported, three primary categories emerged for investigation: (a) metabolic response, comprising metabolic rate and heart rate; (b) respiratory response i.e. mean skin temperature; and (c) perceptual response, including thermal sensation and comfort sensation. Eight eligible studies with a total of 83 subjects aged 23.4 ± 1.49 years, 40.96% male and 37.35% female and 21.69% in which gender was not reported, were investigated for the meta-analysis. Results show a significant improvement in changes in mean skin temperature and thermal sensation between the control and experimental groups via heating intervention ( p < 0.05), but results were not significant for changes in metabolic rate, heart rate, and comfort sensation ( p > 0.05). Regarding gender, thermal e-textiles significantly enhanced the changes in mean skin temperature in males and thermal sensation in both males and females ( p < 0.05). With regard to different body regions being heated, there were significant effects on changes in mean skin temperature, thermal sensation, and comfort sensation in heating the upper torso ( p < 0.05) and on changes in thermal sensation in heating the feet and toes ( p < 0.05). The results reported here may serve as reference points for the further development of smart heating textile technology.

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Section: Methodsmentioning

confidence: 99%

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confidence: 99%

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confidence: 99%

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The effectiveness of e-textiles in providing thermal comfort: A systematic review and meta-analysis

Lee

Tan

Lam

et al. 2022

Textile Research Journal

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“…Although tactile stimulation to the plantar may improve gait, it may be technically difficult to change the shape of the insole and create protrusions during walking. In contrast, heat-generating insoles with electrically heated elements embedded in the insole have been developed and marketed in recent years [ 14 , 15 ]. Most are charged by a power supply from USB or other sources and generate heat in response to the ambient temperature (e.g., in cold environments) to maintain a comfortable plantar temperature.…”

Section: Introductionmentioning

confidence: 99%

Gait Improvement by Alerted Push-Off via Heating of Insole Tip

Oshita

2022

Healthcare

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This study investigated the change in the joint angles of the lower limb during gait by heating the tip of the insole to make a conscious push-off with the warm part. Fifteen healthy males performed treadmill walking under three different conditions: CONTROL walked as usual, INST was instructed to extend the stride with a push-off from the ball of foot to the toe, and HEAT was asked to walk while attempting to push off the warm area, which was attached to the disposable warmer to the area from the ball of foot to the toe of the insole. A 3D-motion capture system with infrared cameras was used to analyze the gait. The hip joint angle increased significantly under the INST and HEAT. Although the ankle dorsi-flexion at heel strike did not differ significantly for these conditions, ankle plantar-flexion significantly increased at toe-off under the INST and HEAT. Especially, effect size (d) in increased plantar-flexion was large in HEAT (=1.50), whereas it was moderate in INST (=0.68). These results suggest that a heated stimulus during gait enhanced the consciousness of push-off and increased leg swing and ankle plantar-flexion during the terminal stance phase, which may increase the stride length.

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“…Some studies also compared the superiority of planter stretch over stretch of tendon Achilles and the result revealed the stretch of planter fascia is relatively more effective than tendon Achilles stretch in patient of planter fascia. Combination of both stretch (planter fascia stretch and calf stretch) are very effective in resolving the issue, restoring the normal range of motion and decreasing the pressure from stiff and tight planter fascia.But there is no study has identifi ed the independent effi ciency of these exercises [10,11]. Some studies show that non-steroidal anti-infl ammatory drugs in decreasing pain and reducing the infl ammation of planter fascia, but the effi ciency of these drugs in patient with chronic issue still remain obscure [12].…”

Section: Introductionmentioning

confidence: 99%

A comparative study to analyze the effect of planter fascia stretch and heel pad with moist heat in the patients of planterfascitis

Razzaq¹,

Arif²,

Tahir³

et al. 2021

Glob J Medical Clin Case Rep

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Background: This study investigated the effect of planter fascia stretch and heel pad with moist heat in the patients of planterfascitis among subjects aged 20-40. Planter fascia is a thickened fi brous sheet of connective tissue which begins from medial tubercle on undersurface of calcaneus and fans out joining to the metatarsophalangeal joints plates to form longitudinal foot arch. Manual active stretching or passive stretching of planter fascia and Achilles tendon are effective treatment option for patient with planter fasciitis. Aims and objectives: objectives of this study were to see the effect of planter fascia stretch and heel pad with moist heat in the patients of planterfascitis. Material and methodology:This study was quasi experimental study. It took samples by convenient method from 80 subjects among Faisalabad private hospitals community. The study was completed in the duration of 3 months. Data was conducted through convenient sampling from Faisalabad private hospitals. This study explored the effect of planter fascia stretch and heel pad with moist heat on subjects aging 20-40 years old. Subjects were allocated to group A (n=40) and group B (n=40). Group A received treatment as planter fascia stretch and group B received treatment as heel pad with moist heat. Follow up were taken after 4 weeks in 3 month duration study.Results: Statistical Analysis Data were analyzed using SPSS version 23.0. Intragroup comparison of differences between pre and post intervention scores of FFI and FADI was analyzed using independent T Test. The results were considered statistically signifi cant if p values were less than 0.05). No statistically signifi cant difference was observed in pre intervention score between the groups on FADI (p = 0.211) and FFI (p = 0.365), but, statistically signifi cant difference was observed between all the groups on post intervention score with respect to FADI (p=0.000) and FFI (p=.001) as analyzed by independent t test. Conclusion:After applying the entire treatments and measuring pre and post value it conducted that planter fascia stretch has more signifi cant effect on planterfascitis than heel pad with moist heat.

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Smart Wireless Charging Heating Insoles: Improving Body Thermal Comfort of Young Males in an Extremely Cold Environment

Cited by 8 publications

References 31 publications

The effectiveness of e-textiles in providing thermal comfort: A systematic review and meta-analysis

The effectiveness of e-textiles in providing thermal comfort: A systematic review and meta-analysis

Gait Improvement by Alerted Push-Off via Heating of Insole Tip

A comparative study to analyze the effect of planter fascia stretch and heel pad with moist heat in the patients of planterfascitis

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