Effect of shoes with rounded soft soles in the anterior–posterior direction on the center of pressure during static standing

Demura, Tomohiro; Demura, Shin Ichi; Uchiyama, Masanobu; Kitabayashi, Tamotsu; Takahashi, Kei

doi:10.1016/j.foot.2015.02.004

Cited by 4 publications

(4 citation statements)

References 16 publications

(27 reference statements)

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“…Our results show that the unstable shoes produced significantly higher ES, RA, and OI (2,15). Effects in the mediolateral direction have also been noted in asymptomatic adults (2,3), and as a result, higher EMG lower-limb and trunk-muscle activity (involved in maintaining joint movement and positional control) has also been reported (2)(3)(4)(5).…”

Section: Discussionsupporting

confidence: 68%

“…Firstly, specific variations in unstable-sole construction challenge the postural-control system differently(4). The angular degree of the curved sole is closely related to the stability of standing posture and muscular activity while walking (15). Consequently, the changes established for spine kinematics and trunk muscle activity while wearing a particular unstable shoe model may not extrapolate well to other types of related footwear.…”

Section: Discussionmentioning

confidence: 99%

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Effects of unstable shoes on trunk muscle activity in patients with chronic low back pain

et al. 2018

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Section: Discussionsupporting

confidence: 68%

Section: Discussionmentioning

confidence: 99%

Effects of unstable shoes on trunk muscle activity in patients with chronic low back pain

et al. 2018

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“…Softness of insoles might compromise stability in patients with DPN since CoP control of healthy people is dependent on the rigidity of the material on which someone is standing. Several studies already found better CoP control in soft shoes compared to rigid shoes, suggesting the same results for soft insoles compared to rigid insoles [29,30]. In addition, insoles with a moulded arch fills have a larger contact area with the foot.…”

Section: Insolesmentioning

confidence: 83%

Effects of offloading devices on static and dynamic balance in patients with diabetic peripheral neuropathy: A systematic review

Horstink

Woude

Hijmans

2021

Rev Endocr Metab Disord

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Patients with diabetic peripheral neuropathy (DPN) usually have reduced somatosensory information and altered perception in feet and ankles. Somatosensory information acts as feedback for movement control and loss of somatosensation leads to altered plantar pressure patterns during gait and stance. Offloading devices are used to reduce peak plantar pressure and prevent diabetic foot ulcers. However, offloading devices can unfortunately have negative effects on static and dynamic balance. It is important to investigate these unwanted effects, since patient with DPN already are at high risk of falling and offloading devices could potentially increase this risk. The aim of this systematic review is to investigate the effects of plantar offloading devices used for ulcer prevention on their role in static and dynamic balance control in patients with DPN. PubMed and Embase were systematically searched using relevant search terms. After title selection, abstract selection, and full-text selection only five articles could be included for further analysis. Two articles included static balance measurements, two articles included dynamic balance measurements, and one article included both. Results suggested that static balance control is reduced when rocker bottom shoes and different insole configurations are used, however, toe-only rockers showed less evidence for reduced static balance control. There was no evidence for reduced dynamic balance control in combination with offloading devices. However, these results should be interpreted with care, since the number of studies was very small and the quality of the studies was moderate. Future research should evaluate balance in combination with different offloading devices, so that clinicians subscribing them are more aware of their potential unwanted consequences.

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“…However, this problem has not been fully examined. In contrast, the postural sway has basically been measured for one minute (Demura et al, 2008;Hara et al, 2007;Demura et al, 2015). In the case of a similar stepping tempo to walking, subjects can continue stepping steadily from the measurement start, but when enforced to step with an unfamiliar and slow tempo, they may feel difficulty in stepping while matching the tempo during the early stage of measurement; hence, the step error and postural sway may become large.…”

Section: Introductionmentioning

confidence: 99%

Differences between Tempos of Step Error and Postural Sway in the Stipulated Tempo Step Test for Children and Their Relationships

Aoki¹,

Demura²,

Takahashi³

et al. 2021

WJE

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Recently, to evaluate dynamic balance ability, a stipulated tempo step test has been developed, and a step error between tempo and contact time of feet has been used as an evaluation variable. The step error, postural sway, and their relationships may differ between the slow tempo (40 bpm) and fast tempo (120 bpm). This study aimed to examine the aforementioned problem with 62 participant children (30 boys and 32 girls). The step error and postural sway variables (X-axis path length, Y-axis path length, total path length, peripheral area, and rectangular area) during stepping while matching both tempos were measured. Means of one minute and three intervals (0–20 sec, 20–40 sec, and 40–60 sec) for each variable were calculated in both tempos. The results of the paired t-test showed that means of all variables were larger in the 40 bpm tempo than in the 120 bpm tempo. In the multiple comparison tests after the results of the two-way repeated measures ANOVA, the means of three intervals in all variables were larger in the 40 bpm tempo than in the 120 bpm tempo; the means of the sway variables, excluding that of the X-axis path length, in the 40 bpm tempo were larger in the 0–20 sec interval than in the 20–40 sec interval or the 40–60 sec interval. Correlations between step errors and those between the step error and sway variables of both tempos were insignificant or under moderation. The correlations between the step error and sway variables in both tempos were insignificant or significant but low, and those among sway variables were high, except between the X- and Y-axis path lengths. The relationship between both axis path lengths differed according to the tempo. In conclusion, in the case of the stipulated tempo step test targeting children, the slow tempo has a greater step error and postural sway than the fast tempo, and the sway in the early step stage is greater in the slow tempo. The relationships between step errors and between the step error and sway variables of both tempos are low; hence, the ability related to the test may differ in both tempos. The relationships among sway variables in both tempos are high, except between the X- and Y-axis path lengths.

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Effect of shoes with rounded soft soles in the anterior–posterior direction on the center of pressure during static standing

Cited by 4 publications

References 16 publications

Effects of unstable shoes on trunk muscle activity in patients with chronic low back pain

Effects of unstable shoes on trunk muscle activity in patients with chronic low back pain

Effects of offloading devices on static and dynamic balance in patients with diabetic peripheral neuropathy: A systematic review

Differences between Tempos of Step Error and Postural Sway in the Stipulated Tempo Step Test for Children and Their Relationships

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