Effect of boot shaft stiffness on stability joint energy and muscular co-contraction during walking on uneven surface

Böhm, Harald; Hösl, Matthias

doi:10.1016/j.jbiomech.2010.05.029

Cited by 57 publications

(61 citation statements)

References 28 publications

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“…Footwear design characteristics that have been shown to aid in postural stability include a high boot shaft [20,21], lower mass [4], low heel height [14,15] and firm-hard midsoles [14,22]. The lowered balance performance in the LT may be attributed to the below ankle boot shaft height.…”

Section: Discussionmentioning

confidence: 99%

Postural Control in Workplace Safety: Role of Occupational Footwear and Workload

Chander

Garner

Wade

et al. 2017

Safety

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Abstract:Maintaining postural stability is crucial, especially in hazardous occupational environments. The purpose of the study was to assess the role of three occupational footwear (low top shoe (LT); tactical work boot (TB) and steel-toed work boot (WB)) on postural stability when exposed to an occupational workload (4-h) involving standing/walking using the sensory organization test (SOT) equilibrium (EQ) scores and comparing current results with previously published postural sway variables from the same study. Fourteen male adults were tested on three separate days wearing a randomized occupational footwear, at the beginning (pre) and every 30 min of the 4-h workload until 240th min. SOT EQ scores were analyzed using a 3 × 9 repeated measures analysis of variance at an alpha level of 0.05. Significant differences between footwear was found in eyes open (p = 0.03) and eyes closed (p = 0.001) conditions. Pairwise comparisons revealed that LT had significantly lower postural stability compared to TB and WB. No other significant differences were found between footwear and over time. Significant differences between footwear can be attributed to design characteristics of footwear. Lack of significant differences over time suggests that, even though the average EQ scores decreased during the workload implying less postural stability, SOT EQ scores alone may not be sufficient to detect postural stability changes over the 4-h workload.

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Section: Discussionmentioning

confidence: 99%

Postural Control in Workplace Safety: Role of Occupational Footwear and Workload

Chander

Garner

Wade

et al. 2017

Safety

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“…The footwear's geometrical design characteristics have been shown to affect human balance and gait (Chander et al, 2014;Perry et al, 2007;Menant et al, 2008;Menant et al, 2008;Divert et al, 2005;Bohm and Hosl, 2010) and especially the sole design parameters such as the depth, width and orientation of the tread groove have been demonstrated as important factors affecting the coefficient of friction between the footwear-floor interface (Li and Chen, 2005;Li et al, 2006). Certain commonly worn alternative footwear, such as flip flops were found to be hazardous as they slowed down reactions to perturbations and also had adverse effects on postural reaction (Hosoda et al, 1997(Hosoda et al, , 1998 leading to an increased risk of falls.…”

Section: Extrinsic Factors E Footwear Design Characteristics As Predimentioning

confidence: 99%

“…Conversely, footwear design features that include soft soles, elevated heels and a heavier mass have been shown to have lowered balance and gait performance (Menant et al, 2008;Divert et al, 2005;Bohm and Hosl, 2010). Moreover, anticipation of the slippery conditions, including attentiveness or alertness and mental workload can influence the outcome of slip events (DiDomenico et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

“…The effect of different footwear, different flooring conditions and the footwear-floor interactions on the biomechanics of gait and balance have also been identified (Li et al, 2006;Shroyer and Weimar, 2010;Perry et al, 2007;Menant et al, 2008;Divert et al, 2005;Bohm and Hosl, 2010). While extensive literature exists on biomechanics of balance, gait and slips and the influence of footwear on these, there is still dearth of literature on the effect of much commonly used alternative footwear on the biomechanics of gait and slips.…”

Section: Introductionmentioning

confidence: 99%

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Heel contact dynamics in alternative footwear during slip events

Chander

Garner

Wade

2015

International Journal of Industrial Ergonomics

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“…The type of footwear is also an important determinant of balance as it serves as the medium between the foot and support surface and affects somatosensory feedback mechanisms. Design characteristics of footwear, such as midsole hardness, shoe elevation, heel elevation, boot shaft height, and boot shaft stiffness have been shown to heavily impact postural control strategies and balance (Robbins et al 1992, Hosoda et al 1998, Cikajlo and Matjacic 2007, Hijmans et al 2007, Menant et al 2008a, Bohm and Hosl 2010. Occupational footwear, while designed for safety and protection may not be best suited for balance maintenance.…”

Section: Introductionmentioning

confidence: 99%

Impact on balance while walking in occupational footwear

2013

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Hazards and challenges present in the workplace pose a number of potential balance risks for injuries and illness. Purpose: The purpose of the study was to examine the differences in balance while walking for extended durations with different types of occupational footwear. Methods: Participants were tested for balance prior to walking session (Pre) and then again every 30 minutes until the 240 th minute in three types of occupational footwear; work boots, tactical boots and low top shoes. Sway velocity and rootmean-square sway in the anterior-posterior and medial-lateral directions were evaluated using a 3 Â 9 repeated measures analysis of variance to identify any existing differences within exposure time and footwear types. Results: Significant differences in postural sway were found over time in medial-lateral sway and between footwear in anterior-posterior and medial-lateral sway. Significant differences were found between the work boots, tactical boots and low top shoes, with the low top shoes exhibiting an increased postural sway. Conclusion: The changes in balance over time may be attributed to the workload placed on the individual resulting from the extended durations of walking/standing. Use of low top shoes resulted in a relatively greater balance decrement. The work boots and tactical boots despite having a greater mass, resulted in less of a balance decrement, which may be attributed to their elevated boot shaft height.

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Effect of boot shaft stiffness on stability joint energy and muscular co-contraction during walking on uneven surface

Cited by 57 publications

References 28 publications

Postural Control in Workplace Safety: Role of Occupational Footwear and Workload

Postural Control in Workplace Safety: Role of Occupational Footwear and Workload

Heel contact dynamics in alternative footwear during slip events

Impact on balance while walking in occupational footwear

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