The Correlation between Dynamic Balance Measures and Stance Sub-phase COP          Displacement Time in Older Adults during Obstacle Crossing

Park, Seol; Ko, Yu-Min; Park, Ji Won

doi:10.1589/jpts.25.1193

Cited by 21 publications

(14 citation statements)

References 23 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…That is, individuals with a lower BBS also had a lower DGI, indicating poorer overall mobility and balance control. This finding was in agreement with previous studies where positive correlations were reported between BBS and DGI in post-stroke individuals (e.g., Jonsdottir and Cattaneo, 2007; Nott et al, 2014), older adults (Park et al, 2013) and individuals with vestibular dysfunction (Whitney et al, 2003). Also, MoS (sum from both legs) and the range of H were positively correlated.…”

Section: Discussionsupporting

confidence: 93%

Correlations between measures of dynamic balance in individuals with post-stroke hemiparesis

Vistamehr

Kautz

Bowden

et al. 2016

Journal of Biomechanics

View full text Add to dashboard Cite

Mediolateral balance control during walking is a challenging task in post-stroke hemiparetic individuals. To detect and treat dynamic balance disorders, it is important to assess balance using reliable methods. The Berg Balance Scale (BBS), Dynamic Gait Index (DGI), margin-of-stability (MoS), and peak-to-peak range of angular-momentum (H) are some of the most commonly used measures to assess dynamic balance and fall risk in clinical and laboratory settings. However, it is not clear if these measures lead to similar conclusions. Thus, the purpose of this study was to assess dynamic balance in post-stroke hemiparetic individuals using BBS, DGI, MoS and the range of H and determine if these measure are correlated. BBS and DGI were collected from 19 individuals post-stroke. Additionally, kinematic and kinetic data were collected while the same individuals walked at their self-selected speed. MoS and the range of H were calculated in the mediolateral direction for each participant. Correlation analyses revealed moderate associations between all measures. Overall, a higher range of angular-momentum was associated with a higher MoS, wider step width and lower BBS and DGI scores, indicating poor balance control. Further, only the MoS from the paretic foot placement, but not the nonparetic foot, correlated with the other balance measures. Although moderate correlations existed between all the balance measures, these findings do not necessarily advocate the use of a single measure as each test may assess different constructs of dynamic balance. These findings have important implications for the use and interpretation of dynamic balance assessments.

show abstract

Section: Discussionsupporting

confidence: 93%

Correlations between measures of dynamic balance in individuals with post-stroke hemiparesis

Vistamehr

Kautz

Bowden

et al. 2016

Journal of Biomechanics

View full text Add to dashboard Cite

show abstract

“…However, it is not clear if this is actually 52 effective in terms of compensating for a decrease in stability or will 53 even further increase the risk of a fall. A conservative strategy 54 results in a slower walking speed when crossing an obstacle, which 55 in turn increases the time the centre of pressure (CoP) displaces 56 under the trailing foot (Park et al, 2013). Consequently, the dis-57 tance between CoP and centre of mass (CoM) at the instant of obstacle crossing is smaller resulting in decreased forward angular momentum.…”

mentioning

confidence: 99%

The concept of margins of stability can be used to better understand a change in obstacle crossing strategy with an increase in age

Hak¹,

Hettinga

Duffy

et al. 2019

Journal of Biomechanics

View full text Add to dashboard Cite

The purpose of the current study was to use the margins of stability (MoS) to investigate how older adults choose between minimizing the risk of a forward fall when crossing an obstacle and the ease of maintaining forward progression during the steps taken behind the obstacle. In the current study 143 communitydwelling older adults aged between 55 and 83 years old, were divided into three age groups based on tertials of age. All participants were asked to complete five trials of obstacle walking and five trials of normal walking. For the trials of normal walking, the main difference between groups was that MoS at initial contact was lower in the older age groups. For the trials of obstacle crossing the MoS at the instants of obstacle crossing with both the leading and trailing limb became smaller with an increase in age. This result might imply that older people choose to use a strategy during obstacle crossing that results in smaller chance of falling forward if an obstacle was struck. A negative consequence of this more conservative strategy was a smaller MoS at the instants of initial contact after crossing the obstacle, thus a larger chance of a backward fall. These findings provide more insight into the regulation of stability during obstacle crossing and specifically in the differences in strategy between younger and older people, and therefore these results might be used for further research to investigate whether obstacle crossing strategies are trainable in older adults, which could be used as advisory programs aimed at fall prevention and/ or engagement in an active lifestyle.

show abstract

“…Our results demonstrate that independent of age, TT, S1, and S2 increased while crossing an obstacle. An explanation of these ndings consists of the fact that stepping over obstacles increases gait challenges at every age, even in the middle-age population [21,22]; however, this motor task is still more demanding for the elderly compared to young adults [23]. Previous studies reported that the elderly used a more conservative strategy for crossing obstacles relative to young adults, including a slower crossing speed and higher foot clearance while crossing over obstacles [24,25].…”

Section: Discussionmentioning

confidence: 99%

Age-Related Changes in Postural Control: transitional task

Michalska

Kamieniarz

Sobota

et al. 2020

Preprint

View full text Add to dashboard Cite

Background Aging, being a natural process, involves many functional and structural changes within the body. Identifying the onset of age-related postural changes will provide insight into the role of aging on postural control during locomotion. The aim of this study was to identify age-related postural changes during a transitional task under different conditions. Methods Sixty healthy females divided into three age groups: A (50–60 y/o), B (60–70 y/o), and C (70–80 y/o). The transitional task was measured by two force platforms. The procedure consisted of three phases: quiet standing, transfer onto a second platform, and quiet standing on the second platform. Four different conditions were applied: unperturbed transfer, obstacle crossing, step-up, and step-down. Double-support time, transit time, and stability time before and after the step task were analyzed. Results The transit time was longer by 30% for subjects over 70 y/o. The double-support time was longer by 11% among adults 60–70 y/o, while in people over 70 y/o it was longer by almost 50% compared to the 50–60 y/o subjects. The stability time before the transitional task was longer by 17% among adults over 60 y/o compared to middle-age subjects. The stability times before and after the transitional task were longer for adults in the 50–60 y/o category. Conclusion The proposed procedure is adequate for assessing age-related changes in postural control while undergoing a transitional task. An analysis of the double-support time and stability time before and after the step task enabled the detection of early signs of balance changes in middle-age adults. Independent of age, the transitional task parameters changed with the increasing difficulty of the tasks.

show abstract

The Correlation between Dynamic Balance Measures and Stance Sub-phase COP Displacement Time in Older Adults during Obstacle Crossing

Cited by 21 publications

References 23 publications

Correlations between measures of dynamic balance in individuals with post-stroke hemiparesis

Correlations between measures of dynamic balance in individuals with post-stroke hemiparesis

The concept of margins of stability can be used to better understand a change in obstacle crossing strategy with an increase in age

Age-Related Changes in Postural Control: transitional task

Contact Info

Product

Resources

About