Evaluation of sit-to-stand motion using a pressure distribution measurement system – effect of differences in seat hardness on sit-to-stand motion

Sato, Shinsuke; Mizuma, Masazumi; Kawate, Nobuyuki; Kasai, Fumihito; Watanabe, Hideyoshi

doi:10.3109/17483107.2010.522682

Cited by 12 publications

(17 citation statements)

References 21 publications

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“… 11 Alternatively, the pressure-distribution measurement system, BIG-MAT ® (Nitta, Osaka, Japan), is a noninvasive method to measure external pressure (EP) for industrial applications. 12 In our previous studies, we have used the BIG-MAT ® system in the medical field to measure EP in certain fibular regions to investigate the cause of common peroneal nerve paralysis using the KCLH system in the lithotomy position. 13 , 14 …”

Section: Introductionmentioning

confidence: 99%

Male sex, height, weight, and body mass index can increase external pressure to calf region using knee-crutch-type leg holder system in lithotomy position

Mizuno¹,

Takahashi²

2016

TCRM

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BackgroundWell-leg compartment syndrome (WLCS) is one of the catastrophic complications related to prolonged surgical procedures performed in the lithotomy position, using a knee-crutch-type leg holder (KCLH) system, to support the popliteal fossae and calf regions. Obesity has been implicated as a risk factor in the lithotomy position-related WLCS during surgery. In the present study, we investigated the relationship between the external pressure (EP) applied to the calf region using a KCLH system in the lithotomy position and selected physical characteristics.MethodsTwenty-one young, healthy volunteers (21.4±0.5 years of age, eleven males and ten females) participated in this study. The KCLH system used was Knee Crutch®. We assessed four types of EPs applied to the calf region: box pressure, peak box pressure, contact pressure, and peak contact pressure, using pressure-distribution measurement system (BIG-MAT®). Relationships between these four EPs to the calf regions of both lower legs and a series of physical characteristics (sex, height, weight, and body mass index [BMI]) were analyzed.ResultsAll four EPs applied to the bilateral calf regions were higher in males than in females. For all subjects, significant positive correlations were observed between all four EPs and height, weight, and BMI.ConclusionEP applied to the calf region is higher in males than in females when the subject is supported by a KCLH system in the lithotomy position. In addition, EP increases with the increase in height, weight, and BMI. Therefore, male sex, height, weight, and BMI may contribute to the risk of inducing WLCS.

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Section: Introductionmentioning

confidence: 99%

Male sex, height, weight, and body mass index can increase external pressure to calf region using knee-crutch-type leg holder system in lithotomy position

Mizuno¹,

Takahashi²

2016

TCRM

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“…In the analysis of standing up from a sitting position, a three-dimensional motion analysis device8 ) equipped with a camera, an analysis system combining surface electromyography and force plate9 ) , and a pressure distribution measurement system or a floor reaction force meter10, 11 ) have used. In this study, we developed a system to measure the load on the lower limbs of the care-receivers requiring partial assistance during transfer, and then determined the most effective method to leverage the strength or the intrinsic ability of the care-receivers.…”

Section: Discussionmentioning

confidence: 99%

Usefulness of simulation method to improve efficiency of chair-to-wheelchair transfer of patients performed by caregivers

et al. 2019

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[Purpose] We aimed to clarify whether demonstration and simulated experience help the ability of care-receivers to get transferred, such as from the bed to the commode. [Participants and Methods] Participants included 28 nurses and 17 caregivers (34 females and 11 males). We developed a total floor reaction force measurement device to quantify the total loading level of care-receivers and caregivers and force shoes to quantify the loading level of the caregivers. Using these instruments, we constructed a system to measure the load on the lower limbs of the care-receivers during partial assistance. We divided the participants into the control, demonstration, and simulated experience method groups. We examined the differences in the load on the lower limbs before and after the intervention. [Results] The loads on the lower limbs of care-receivers when their buttocks were lifted from the chair were 11.7 ± 69.6, 61.8 ± 79.4, and 101.0 ± 104.0 N in the control, demonstration, and simulated experience groups. [Conclusion] These data suggest that the simulated experience method could help make use of the ability of the care-receiver to get transferred. Even care workers for the sanatorium-type sickbeds could learn to utilize the physical ability of the care-receivers using simulated experience.

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“…Twenty-one volunteers (eleven males and ten females) provided written informed consent for participation in this study. The pressure-distribution measurement system Big-Mat ® (Nitta, Osaka, Japan) 8 , 9 was used for external pressure measurement.…”

Section: Methodsmentioning

confidence: 99%

Factors that increase external pressure to the fibular head region, but not medial region, during use of a knee-crutch/leg-holder system in the lithotomy position

Mizuno¹,

Takahashi²

2015

TCRM

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BackgroundParalysis of the common peroneal nerve is one of the relatively common nerve injuries related to the lithotomy position with the use of a knee-crutch/leg-holder system. Several risk factors have been implicated in lithotomy position-related common peroneal nerve paralysis during operation.Materials and methodsIn the present study, 21 young healthy volunteers participated in the investigation of the causes of the paralysis of the common peroneal nerve in the lithotomy position using a knee-crutch/leg-holder; Knee Crutch. We assessed the external pressure applied to the fibular head and medial regions using the Big-Mat pressure-distribution measurement system. Relationships between the peak contact pressure and physical characteristics, such as sex, height, weight, body mass index (BMI), and fibular head circumference, were analyzed.ResultsThe peak contact pressure to the fibular head region was greater for males than for females. For all subjects, significant positive correlations were observed between the peak contact pressure to the fibular head region and weight, BMI, or fibular head circumference. However, there was no significant difference between the peak contact pressure to the fibular head region and height for any subjects. Moreover, there was no sex-related difference in the peak contact pressure to the fibular medial region, and no significant differences between the peak contact pressure to the fibular medial region and height, weight, BMI, or fibular head circumference.ConclusionExternal pressure to the fibular head region is greater for males than for females using a knee-crutch/leg-holder system in the lithotomy position. In addition, the external pressure to the fibular head region, but not the fibular medial region, increases with increasing weight, BMI, and fibular head circumference. Therefore, these patient-related characteristics may contribute to the risk of developing lower-extremity neuropathy, leading to injury or ischemia of the common peroneal nerve.

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Evaluation of sit-to-stand motion using a pressure distribution measurement system – effect of differences in seat hardness on sit-to-stand motion

Abstract: Time from hindfoot peak to forefoot peak and percent change in forefoot pressure at forefoot peak and hindfoot peak were the best indicators of STS motion difficulty.

Cited by 12 publications

References 21 publications

Male sex, height, weight, and body mass index can increase external pressure to calf region using knee-crutch-type leg holder system in lithotomy position

Male sex, height, weight, and body mass index can increase external pressure to calf region using knee-crutch-type leg holder system in lithotomy position

Usefulness of simulation method to improve efficiency of chair-to-wheelchair transfer of patients performed by caregivers

Factors that increase external pressure to the fibular head region, but not medial region, during use of a knee-crutch/leg-holder system in the lithotomy position

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Evaluation of sit-to-stand motion using a pressure distribution measurement system – effect of differences in seat hardness on sit-to-stand motion

Abstract: Time from hindfoot peak to forefoot peak and percent change in forefoot pressure at forefoot peak and hindfoot peak were the best indicators of STS motion difficulty.

Cited by 12 publications

References 21 publications

Male sex, height, weight, and body mass index can increase external pressure to calf region using knee-crutch-type leg holder system in lithotomy position

Male sex, height, weight, and body mass index can increase external pressure to calf region using knee-crutch-type leg holder system in lithotomy position

Usefulness of simulation method to improve efficiency of chair-to-wheelchair transfer of patients performed by caregivers

Factors that increase external pressure to the fibular head region, but not medial region, during&nbsp;use of a knee-crutch/leg-holder system in&nbsp;the lithotomy position

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Factors that increase external pressure to the fibular head region, but not medial region, during use of a knee-crutch/leg-holder system in the lithotomy position