Relationship between Questionnaire Survey Results of Vibration Complaints of Wheelchair Users and Vibration Transmissibility of Manual Wheelchair

Maeda, S.; Futatsuka, Makoto; YONESAKI, Jiro; Ikeda, Maki

doi:10.1265/ehpm.8.82

Cited by 4 publications

(4 citation statements)

References 5 publications

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“…Sitting for long periods of time and exposure to WBV can cause discomfort. Maeda et al issued a questionnaire to wheelchair users to determine if WBV experienced during wheelchair propulsion caused discomfort [14]. Results showed that the WBV experienced during propulsion did cause discomfort, specifically at the neck, lower back, and buttocks.…”

Section: Discussionmentioning

confidence: 99%

“…In some cases, the ICP surfaces caused lower WBV than the standard poured concrete surface. Maeda et al issued questionnaires to 33 wheelchair users and tested 10 wheelchair users on a vibration platform [14]. Results from the questionnaire revealed that wheelchair users did feel WBV at the neck, back, and buttocks during propulsion and that users sensed differences while traveling over different surfaces and obstacles.…”

Section: Introductionmentioning

confidence: 99%

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Longitudinal assessment of vibrations during manual and power wheelchair driving over select sidewalk surfaces

Wolf¹,

Cooper²,

Pearlman³

et al. 2007

JRRD

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Abstract-Wheelchair users rely on their wheelchairs for mobility for extended periods of time every day. According to the International Standards Organization 2631-1 standard on human vibration, individuals in a seated position when exposed to whole-body vibrations (WBV) are at risk of injury. This study evaluated vibration exposure during manual and power wheelchair driving over nine sidewalk surfaces and differences in vibration exposure over 3 years. Ten nondisabled subjects were asked to drive a manual wheelchair at 1 m/s and a power wheelchair at 1 m/s and 2 m/s over nine sidewalk surfaces while WBV were measured at the seat and footrest of the wheelchair. At 1 m/s, significant differences existed between surfaces and years at both the seat and the footrest for the manual and power wheelchair users. At 2 m/s, significant differences existed between surfaces and years at the seat and the footrest for power wheelchair users. Our results show that both manual and power wheelchair users may be at risk for secondary injuries from WBV when traveling over certain surfaces.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Longitudinal assessment of vibrations during manual and power wheelchair driving over select sidewalk surfaces

Wolf¹,

Cooper²,

Pearlman³

et al. 2007

JRRD

View full text Add to dashboard Cite

show abstract

“…However, tilt-in-space wheelchair users spend large periods of time in their chair, so even small reductions in shock and vibration most likely have positive health benefits. As previously identified, besides improving comfort, potential health benefits include, but are not limited to, reductions in low back pain, neck pain, muscle fatigue, early degeneration of the lumbar spine, herniated lumbar discs, and spinal discomfort and pain [3][4][5][6][7][8][9][10][11]. Future research should explore the mechanisms of injury caused by shock and vibration exposure in the wheelchair population, and determine a reduction necessary for health benefits and a standard protocol for evaluating wheelchair exposure.…”

Section: Discussionmentioning

confidence: 99%

“…Some secondary health conditions may be induced by repeated shock and vibration exposure. Instantaneous peak acceleration, or shock, and wholebody vibration exposure has been correlated to low back pain, neck pain, muscle fatigue, early degeneration of the lumbar spine, herniated lumbar discs, and spinal discomfort and pain [3][4][5][6][7][8][9][10][11]. The International Organization for Standardization (ISO) established methods to quantify shock and whole-body vibration exposure and the risks associated with exposure in ISO 2631-1 [12].…”

Section: Introductionmentioning

confidence: 99%

Effect of Rear Wheel Suspension on Tilt‐in‐Space Wheelchair Shock and Vibration Attenuation

Hischke

Reiser

2018

PM&R

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Survey on the influencing factors of human comfort in a long-period frequent blast vibration environment

Yao¹,

Yang²,

Li³

2017

J. vibroeng.

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Blasting operation exerts adverse effects on the vibration comfort of nearby buildings and structures, and causes a number of civil complaints, discomfort and even lawsuits. Blasting vibration comfort is related not only to the vibration characteristics of blasting and buildings, but also to the non-blasting factors such as, (i) the gender, age, income, psychology, and educational background of the subjects, (ii) the environment they are in, and (iii) the activities in which they are engaged. Based on typical multi-year frequent blasting work cases, three groups of people are selected, and Likert scale method is used to design a detailed comfort survey plan. After tracking, monitoring and surveying over several years, 168 groups of survey data are obtained. The survey results show that, there is a nonlinear relationship between human comfort and blasting vibration amplitude. Moreover, compared with the peak particle vibration velocity (PPV), the absorbed blasting vibration energy (ABVE) index can better reflect the influence of blasting vibration factors. Difference in human comfort between different groups of people and its causes are analyzed. The correlation analysis results show that the correlation coefficients between vibration comfort and four factors (blasting noise, environmental noise, environmental vibration and ongoing activities) range from 0.28 to 0.34. Finally, combining the statistical analysis results, six factors exerting a relatively significant influence on comfort are determined. The outcomes are expected to provide a basis for eventually establishing a multi-level and multi-factor quantitative evaluation model for blasting vibration comfort.

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Relationship between Questionnaire Survey Results of Vibration Complaints of Wheelchair Users and Vibration Transmissibility of Manual Wheelchair

Cited by 4 publications

References 5 publications

Longitudinal assessment of vibrations during manual and power wheelchair driving over select sidewalk surfaces

Longitudinal assessment of vibrations during manual and power wheelchair driving over select sidewalk surfaces

Effect of Rear Wheel Suspension on Tilt‐in‐Space Wheelchair Shock and Vibration Attenuation

Survey on the influencing factors of human comfort in a long-period frequent blast vibration environment

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