Comfort effects of a new car headrest with neck support

Franz, Matthias; Durt, A.; Zenk, Raphael; Desmet, Pieter

doi:10.1016/j.apergo.2011.06.009

Cited by 47 publications

(24 citation statements)

References 7 publications

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“…On the other hand, movements could also be used to prevent discomfort over time and to create comfort. Both active and passive motion during sitting seem to have a positive effect on comfort as well as decrease discomfort (Hiemstra-van Mastrigt et al 2015;Van Dieën, De Looze, and Hermans 2001;Van Deursen et al 2000;Franz et al 2012). Discomfort in sitting occurs due to prolonged and monotonous low-level mechanical load imposed by a seated posture (Van Dieën, De Looze, and Hermans 2001).…”

Section: Effect Of Interface Pressure On Comfort and Discomfortmentioning

confidence: 99%

“…Discomfort in sitting occurs due to prolonged and monotonous low-level mechanical load imposed by a seated posture (Van Dieën, De Looze, and Hermans 2001). Several studies have shown that passive motion has positive effects on preventing discomfort in office seats (Van Deursen et al 2000;Franz et al 2012). Franz et al (2012) showed that comfort was higher and the muscle activity of the trapezius area was significantly lower when driving with a massage system.…”

Section: Effect Of Interface Pressure On Comfort and Discomfortmentioning

confidence: 99%

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Predicting passenger seat comfort and discomfort on the basis of human, context and seat characteristics: a literature review

et al. 2016

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This literature review focused on passenger seat comfort and discomfort in a human-product-context interaction. The relationships between anthropometric variables (human level), activities (context level), seat characteristics (product level) and the perception of comfort and discomfort were studied through mediating variables, such as body posture, movement and interface pressure. It is concluded that there are correlations between anthropometric variables and interface pressure variables, and that this relationship is affected by body posture. The results of studies on the correlation between pressure variables and passenger comfort and discomfort are not in line with each other. Only associations were found between the other variables (e.g. activities and seat characteristics). A conceptual model illustrates the results of the review, but relationships could not be quantified due to a lack of statistical evidence and large differences in research set-ups between the reviewed papers. Practitioner Summary: This literature review set out to quantify the relationships between human, context and seat characteristics, and comfort and discomfort experience of passenger seats, in order to build a predictive model that can support seat designers and purchasers to make informed decisions. However, statistical evidence is lacking from existing literature.

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Section: Effect Of Interface Pressure On Comfort and Discomfortmentioning

confidence: 99%

Section: Effect Of Interface Pressure On Comfort and Discomfortmentioning

confidence: 99%

Predicting passenger seat comfort and discomfort on the basis of human, context and seat characteristics: a literature review

et al. 2016

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“…Development of automotive seat with the ideal and optimal interface pressure is essential element as it is the huge contact area between human body and the seat. In addition, there an extensive study regarding to contact surface particularly focuses in the driver's seat [9,10]. Interface pressure contribute to experience the comfort level with the influencing of anthropometric framework fluctuate related to age, cultures, and gender as well as different sitting conducted [11].…”

Section: Introductionmentioning

confidence: 99%

Pattern of Pressure Distribution on the Car Seat Under Static Condition and Its Relationship with Driving Posture

Khamis¹,

Tee

Tahir³

et al. 2019

IJITEE

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Abstract: Assessment of sitting condition on the car seat is important as the driver requires to remain seated while maneuvering the car. The seating situation with relatively restricted position and posture can lead to discomfort and fatigue among drivers. When the driver is getting fatigue, it may reduce the performance, and hence increase the risk of road accident. Up to this date, numerous study were conducted to solve this issue. However, majority of these studies performed the study in the laboratory. Furthermore, majority of the experiment were not used the actual car and provide clear interaction between driving posture and pressure distribution pattern. Hence, this study aims to determine the onset level of driver's condition in term of discomfort rating scale and pressure distribution on the car seat under static condition by using actual car. Forty-four participants involved in this study by integrating discomfort rating assessment for the subjective evaluation and Pressure Sensor for the objective assessment. There were two main sections for subjective assessment that required the participant to provide the feedback on general discomfort level and body part discomfort while seating. Meanwhile, objective assessment used pressure map byTactilus with 32 x 32 sensor matrix. All participants were required to sit on the car seat for five minutes. Findings showed that the driver's discomfort and pressure pattern increased with time. In addition, the peak pressure distribution was found at the right buttock of the participant. Driving posture also influence the pattern of pressure distribution. This study provides a guideline for the automotive manufacturer to provide the optimal design of the car seat by maximizing the seat materials in term of quantity and quality with the highest pressure distribution levels. This adjustment can help to minimize the load concentration by providing a good pressure distribution.

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“…Participants indicate on a body map to what extent the seat causes discomfort in a specific part of the human body (local postural discomfort) scale. Another frequently used way of measuring discomfort is the CP-50 category partitioning scale described by Shen and Parsons (1997) and used, for instance, by Franz, Durt, Zenk, and Desmet (2012). They studied the sensitivity of the head and neck area.…”

Section: Introductionmentioning

confidence: 99%

Expected versus experienced neck comfort

Bouwens

Schultheis

Mastrigt

et al. 2017

Hum Ftrs & Erg Mfg Svc

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There is certainly room for economy-class travelers to make their trips more pleasant. A travel pillow might improve comfort. In this study, the comfort expectations and experience of travel pillows were examined. Comparing these 2 aspects indicated that it is not always possible to predict the comfort experience associated with a product based on a picture, and that there is a discrepancy between expected and experienced comfort. Experienced comfort is highest for travel pillows that restrict head movements in all directions in order to maintain a neutral posture. The results of this study also support earlier studies that suggested that discomfort experience can be predicted by observing the number of participants' in-seat movements; more movements result in higher experienced discomfort.

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Comfort effects of a new car headrest with neck support

Cited by 47 publications

References 7 publications

Predicting passenger seat comfort and discomfort on the basis of human, context and seat characteristics: a literature review

Predicting passenger seat comfort and discomfort on the basis of human, context and seat characteristics: a literature review

Pattern of Pressure Distribution on the Car Seat Under Static Condition and Its Relationship with Driving Posture

Expected versus experienced neck comfort

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