Obtaining repeatability of natural extended upper body positions: Its use in comparisons of the functional comfort of garments

Aldrich, Winifred; Smith, Brian L.; Dong, Feng

doi:10.1108/eb022538

Cited by 16 publications

(6 citation statements)

References 1 publication

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“…Ideally, the garment should maintain the wearing comfort and fulfil the space demand of the bent joint in various postures as it is in the standing straight posture and still help to achieve the desired level of comfort and the needed protection against external hazards. Nevertheless, the body dimensions change with a posture change (Aldrich 1998;Lee and Ashdown 2005;Choi and Ashdown 2011) and the garment needs to drape to allow room for the body in the changed posture. In some cases, the clothing can restrict the mobility of the body (Dorman and Havenith 2009) or even further change the body shape by a compression (Pheasant 2003).…”

Section: Introductionmentioning

confidence: 99%

The effect of body postures on the distribution of air gap thickness and contact area

et al. 2016

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The heat and mass transfer in clothing is predominantly dependent on the thickness of air layer and the magnitude of contact area between the body and the garment. The air gap thickness and magnitude of the contact area can be affected by the posture of the human body. Therefore, in this study, the distribution of the air gap and the contact area were investigated for different body postures of a flexible manikin. In addition, the effect of the garment fit (regular and loose) and style (t-shirts, sweatpants, jacket and trousers) were analysed for the interaction between the body postures and the garment properties. A flexible manikin was scanned using a three-dimensional (3D) body scanning technique, and the scans were post-processed in dedicated software. The body posture had a strong effect on the air gap thickness and the contact area for regions where the garment had a certain distance from the body. Furthermore, a mathematical model was proposed to estimate the possible heat transfer coefficient for the observed air layers and their change with posture. The outcome of this study can be used to improve the design of the protective and functional garments and predict their effect on the human body.

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Section: Introductionmentioning

confidence: 99%

The effect of body postures on the distribution of air gap thickness and contact area

et al. 2016

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“…Most garment distortions happen due to the active movements of the upper body, such as shoulder movements, arm extension, and elbow diameter change 46,50 . According to Hatch, the typical stretchability range of textiles for a tailored garment is 15-25%, for sportswear is 20-35%, and for a form-fit compression garment is between 30-40% 51,52 . Based on these ranges, we expect our E-TeCS to withstand a strain of up to 30%.…”

Section: Discussionmentioning

confidence: 99%

A tailored, electronic textile conformable suit for large-scale spatiotemporal physiological sensing in vivo

et al. 2020

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The rapid advancement of electronic devices and fabrication technologies has further promoted the field of wearables and smart textiles. However, most of the current efforts in textile electronics focus on a single modality and cover a small area. Here, we have developed a tailored, electronic textile conformable suit (E-TeCS) to perform large-scale, multimodal physiological (temperature, heart rate, and respiration) sensing in vivo. This platform can be customized for various forms, sizes and functions using standard, accessible and high-throughput textile manufacturing and garment patterning techniques. Similar to a compression shirt, the soft and stretchable nature of the tailored E-TeCS allows intimate contact between electronics and the skin with a pressure value of around~25 mmHg, allowing for physical comfort and improved precision of sensor readings on skin. The E-TeCS can detect skin temperature with an accuracy of 0.1°C and a precision of 0.01°C, as well as heart rate and respiration with a precision of 0.0012 m/ s 2 through mechano-acoustic inertial sensing. The knit textile electronics can be stretched up to 30% under 1000 cycles of stretching without significant degradation in mechanical and electrical performance. Experimental and theoretical investigations are conducted for each sensor modality along with performing the robustness of sensor-interconnects, washability, and breathability of the suit. Collective results suggest that our E-TeCS can simultaneously and wirelessly monitor 30 skin temperature nodes across the human body over an area of 1500 cm 2 , during seismocardiac events and respiration, as well as physical activity through inertial dynamics.npj Flexible Electronics (2020) 4:5 ; https://doi.

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“…3D scanning allows the capture of the body in static functional postures, which has been done in previous studies [2,4,10,13], to determine functional ease requirements for pattern development. However, there are limitations to the accuracy of the results if the intention is to replicate movement [10,11,14,15]. As the body moves into and holds the static, functional postures, the body tenses muscles that may not necessarily be utilized when the body in performing the natural movement [11].…”

Section: Motion Centred Designmentioning

confidence: 99%

Analysis of Dimensional Changes in the Lower Limbs During Movement for Sizing and Fit Development

Hatch¹,

Klepser²,

Brubacher³

et al. 2021

Proceedings of 3DBODY.TECH 2021 - 12th International Conference and Exhibition on 3D Body Scanning and Processing Technologies,

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The aim of this research is to improve sizing and fit of compression sports leggings for an athletic female population. Using 3D and 4D body scan technology, it is possible to understand how the body's dimensions change during movement, which can provide information to enhance the fit of compression garments, that are commonly worn for physical activity. The Hohenstein Institut collaborated with this research and conducted body scanning using their Vitus Smart Laser scanner and Little Alice 4D scanner. Six German amateur football players were recruited and scanned in two static postures and two corresponding dynamic postures. Dimensional changes around key measurements for pattern creation were analysed and compared. It was hypothesised that lower body dimensions would change substantially from the standard scan posture to the functional postures, and results would present a difference between the static functional postures and the dynamic posture.

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Obtaining repeatability of natural extended upper body positions: Its use in comparisons of the functional comfort of garments

Cited by 16 publications

References 1 publication

The effect of body postures on the distribution of air gap thickness and contact area

The effect of body postures on the distribution of air gap thickness and contact area

A tailored, electronic textile conformable suit for large-scale spatiotemporal physiological sensing in vivo

Analysis of Dimensional Changes in the Lower Limbs During Movement for Sizing and Fit Development

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