The Motion Analysis of Transferring from Bed to Wheelchair Conducted in the Nursing Field with Focusing on the Body Pressure Distribution

2017 ◽  
pp. 141-159 ◽  
Author(s):  
Hiromi Nakagawa ◽  
Kazuyuki Mori ◽  
Koshiro Takahashi ◽  
Kazuaki Yamashiro ◽  
Yoichiro Ogura ◽  
...  
Keyword(s):  
Pressure Distribution ◽  
Motion Analysis ◽  
The Body ◽  
Body Pressure Distribution

Measurement and Analysis of Pressure Distribution on the Bed

1995 ◽  
Vol 39 (5) ◽  
pp. 297-300 ◽  
Author(s):  
Se Jin Park ◽  
Min Cheol Whang ◽  
Chang Bum Kim
Keyword(s):  
Pressure Distribution ◽  
Subjective Evaluation ◽  
The Body ◽  
Force Sensing ◽  
Objective Data ◽  
Short Term ◽  
Measurement And Analysis ◽  
Verification Test ◽  
The Difference ◽  
Body Pressure Distribution

A new measurement system for body pressure on a bed was developed in this study. The thin film pressure sensor (PSR: Force Sensing Resistor) of an elastomer-type was used to prevent the distortion of contact pressure. The pressure distribution was measured by FSR and displayed on the monitor by color-coded contour patterns. The body pressure distribution and the objective data for four beds with different firmness were observed for possible correlation with the subjective evaluation. Ninety-eight occupants subjectively evaluated five beds for a short-term lying session about 1 hour. The pattern of the pressure distribution was analyzed to correlate approximately with the difference between comfortable and uncomfortable bed. The verification test on the recommended bed was performed by other twenty subjects through one week.

Study on Resilience of Mattress Foam and Body Pressure Distribution Characteristic of Mattress

2011 ◽  
Vol 415-417 ◽  
pp. 281-284
Author(s):  
Yu Ding Zhu ◽  
Li Ming Shen ◽  
Jian Jun Hou ◽  
Jie Song
Keyword(s):  
Pressure Distribution ◽  
Distribution System ◽  
Reference Value ◽  
The Body ◽  
Distribution Characteristic ◽  
Foam Layer ◽  
Human Comfort ◽  
Test Instrument ◽  
Study Results ◽  
Body Pressure Distribution

The resilience of mattress foam has influenced on body pressure distribution characteristic of mattress and human comfort. This paper dealt with resilience of foam and body pressure distribution through resilience test instrument for mattress foam and body pressure distribution system. The results showed that the resilience of latex foam was better and the body pressure distribution of mattress with latex foam layer was better. This study results have important reference value to the flexibility of mattress and comfort design.

Research on Body Pressure Distribution at Different Angles of Wheelchair Seat Surface

2013 ◽  
Vol 477-478 ◽  
pp. 345-348 ◽  
Author(s):  
Tian Qin ◽  
Jian Guo Zhang ◽  
Yu Xing Dai
Keyword(s):  
Pressure Distribution ◽  
Contact Area ◽  
The Body ◽  
Maximum Pressure ◽  
Average Pressure ◽  
Comfort Evaluation ◽  
Angle Change ◽  
Seat Angle ◽  
Body Pressure Distribution ◽  
Statistical Analysis Software

The objective of the present study was to study the effect of seat angle change on body pressure distribution. The body pressure distribution and body subjective comfort evaluation were recorded in five angles of wheelchair seat surface(0 °, 3 °, 6 °, 9 °and 12 °) by using X-Sensor system. 20 healthy volunteers (10 males and 10 females) were tested to obtain the average pressure of back, the maximum pressure of back, the contact area of back, the average pressure of buttock, the maximum pressure of buttock, the contact area of buttock. The experimental data were analyzed by statistical analysis software SPSS 19.0 and MATLAB. Finally the comfort indicator of wheelchair was determined based on body pressure distribution, and the more comfortable angle of wheelchair seat surface was also obtained, which was 3.17°. The study should provide a strong help for the comfortable wheelchair designing.

scholarly journals Pillow Support Model with Partitioned Matching Based on Body Pressure Distribution Matrix

Healthcare ◽  
2021 ◽  
Vol 9 (5) ◽  
pp. 571
Author(s):  
Yu Li ◽  
Jianfeng Wu ◽  
Chunfu Lu ◽  
Zhichuan Tang ◽  
Chengmin Li
Keyword(s):  
Pressure Distribution ◽  
Head And Neck ◽  
The Body ◽  
Support Surface ◽  
Pressure Sensitivity ◽  
Distribution Matrix ◽  
Ideal Body ◽  
Body Pressure Distribution ◽  
The Ideal ◽  
Support Model

(1) Objective: Sleep problems have become one of the current serious public health issues. The purpose of this research was to construct an ideal pressure distribution model for head and neck support through research on the partitioned support surface of a pillow in order to guide the development of ergonomic pillows. (2) Methods: Seven typical memory foam pillows were selected as samples, and six subjects were recruited to carry out a body pressure distribution experiment. The average value of the first 10% of the samples in the comfort evaluation was calculated to obtain the relative ideal body pressure distribution matrix. Fuzzy clustering was performed on the ideal matrix to obtain the support surface partition. The ideal body pressure index of each partition was calculated, and a hierarchical analysis of each partition was then performed to determine the pressure sensitivity weight of each partition. Using these approaches, the key ergonomic node coordinates of the partitions of four different groups of people were extracted. The ergonomic node coordinates and the physical characteristics of the material were used to design a pillow prototype. Five subjects were recruited for each of the four groups to repeat the body pressure distribution experiment to evaluate the pillow prototype. (3) Results: An ideal support model with seven partitions, including three partitions in the supine position and four partitions in the lateral position, was constructed. The ideal body pressure distribution matrix and ideal body pressure indicators and pressure sensitivity weights for each partition were provided. The pillow that was designed and manufactured based on this model reproduced the ideal pressure distribution matrix evaluated by various groups of people. (4) Conclusion: The seven-partition ideal support model can effectively describe the head and neck support requirements of supine and lateral positions, which can provide strong support for the development of related products.

Study on Influence of Back Angle on Human Body Pressure Distribution

2013 ◽  
Vol 655-657 ◽  
pp. 2088-2092
Author(s):  
Hao Chen ◽  
Hai Yan Song ◽  
Jian Guo Zhang ◽  
Fang Wang
Keyword(s):  
Pressure Distribution ◽  
Human Body ◽  
Test System ◽  
The Body ◽  
Maximum Pressure ◽  
Comfort Evaluation ◽  
Back Angle ◽  
Body Pressure Distribution ◽  
Statistical Analysis Software ◽  
Office Chair

Through the study of the seat size parameter change on the body pressure distribution effect, the powerful references to comfort design of office chair were explored. By using Canadian XSENSOR X3 PRO V6 test system, human body pressure distribution and subjective comfort evaluation in different back angle of 6 objects were tested. The data were processed by statistical analysis software SPSS 16. Then the change of maximum pressure, average pressure, contact area of seat surface and backrest, as well as the vertical pressure distribution curve with the back angle were obtained. Finally the comfort indicators of daily office chair were determined based on body pressure distribution, and the most comfortable back angle of office chair were also solved. Thereby it can provide reference for those who want to design comfortable daily office chair.

BIOMECHANICAL ANALYSIS OF THE STANDING LONG JUMP

2003 ◽  
Vol 15 (05) ◽  
pp. 186-192 ◽  
Author(s):  
WEN-LAN WU ◽  
JIA-HROUNG WU ◽  
HWAI-TING LIN ◽  
GWO-JAW WANG
Keyword(s):  
Knee Joint ◽  
Motion Analysis ◽  
Joint Angle ◽  
Three Dimensional ◽  
The Body ◽  
Initial Angle ◽  
Knee Joint Angle ◽  
Standing Long Jump ◽  
Long Jump ◽  
Arm Motion

The purposes of the present study were to (1) investigate the effects of the arm movement and initial knee joint angle employed in standing long jump by the ground reaction force analysis and three-dimensional motion analysis; and (2) investigate how the jump performance of the female gender related to the body configuration. Thirty-four healthy adult females performed standing long jump on a force platform with full effort. Body segment and joint angles were analyzed by three-dimensional motion analysis system. Using kinetic and kinematic data, the trajectories on mass center of body, knee joint angle, magnitude of peak takeoff force, and impulse generation in preparing phase were calculated. Average standing long jump performances with free arm motion were +1.5 times above performance with restricted arm motion in both knee initial angles. The performances with knee 90° initial flexion were +1.2 times above performance with knee 45° initial flexion in free and restricted arm motions. Judging by trajectories of the center mass of body (COM), free arm motion improves jump distance by anterior displacement of the COM in starting position. The takeoff velocity with 90° knee initial angle was as much as 11% higher than in with 45° knee initial angle. However, the takeoff angles on the COM trajectory showed no significant differences between each other. It was found that starting jump from 90° bend knee relatively extended the time that the force is applied by the leg muscles. To compare the body configurations and the jumping scores, there were no significant correlations between jump scores and anthropometry data. The greater muscle mass or longer leg did not correlated well with the superior jumping performance.

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