Age-related difference on weight transfer during unconstrained standing

Prado, Janina Manzieri; Dinato, Mauro César Mattos e; Duarte, Marcos

doi:10.1016/j.gaitpost.2010.10.003

Cited by 27 publications

(25 citation statements)

References 21 publications

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“…** Indicates significant difference from POST conditions. by an increase in the number of corrections made while attempting to stably maintain maximal anterior and posterior lean positions during upright stance, particularly in the sagittal plane (Hernandez et al, 2012;Prado, Mauro, & Duarte, 2011;Shummway-Cook & Woollacott, 1995;Winter, 1996). Lastly, COPy sway velocities returned to pre-fatigue levels after 10 min of rest was provided to participants, thus recovery periods were brief in young adults after exhaustive STS exercise.…”

Section: Discussionmentioning

confidence: 99%

Postural stability with exhaustive repetitive sit-to-stand exercise in young adults

Bryanton

Beznoska

2016

Human Movement Science

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Section: Discussionmentioning

confidence: 99%

Postural stability with exhaustive repetitive sit-to-stand exercise in young adults

Bryanton

Beznoska

2016

Human Movement Science

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“…The LOS is the maximum distance a person can displace his/her COM by leaning in a specific direction, without stepping or grasping to restore balance and without falling [15]. The maximal target distance in this study was based on the study of Prado et al (2010) [16]. They found that the LOS of young adults (µ = 25 years) was 0.11 m in anterior-posterior direction and 0.31 m in medio-lateral direction.…”

Section: Methodsmentioning

confidence: 98%

Differences between Young and Older Adults in the Control of Weight Shifting within the Surface of Support

et al. 2014

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An important reason for falling in elderly is incorrect weight-shifting. In many daily life activities quick and accurate weight-shifting is needed to maintain balance and to prevent from falling. The present study aims to gain more insight in age-related differences in the control of weight-shifting. Nine healthy older adults (70.3±6.9 years) and twelve young adults (20.9±0.5 years) participated in the study. They performed a weight shifting task by moving the body's center of pressure, represented by a red dot on a screen, in different directions, towards targets of different sizes and at different distances projected on a screen. Movement time, fluency and accuracy of the movement were determined. Accuracy was quantified by the number of times the cursor hit the goal target before a target switch was realized (counts on goal) and by the time required to realize a target switch after the goal target was hit by the cursor for the first time (dwelling time). Fluency was expressed by the maximal deviation of the performed path with respect to the ideal path and the number of peaks, or inflections in the performed path. Significant main effects of target size, target distance and age on all outcome measures were found. With decreasing target size, increasing target distance and increasing age, movement time significantly increased and fluency and accuracy significantly decreased (i.e. increased number of peaks, maximal deviation, number of times on the goal target and longer dwelling time around the goal target). In addition, significant interaction effects of size*age and distance*age were found. Older adults needed more time to perform the weight-shifting task and their movements were less fluent and accurate compared to younger adults, especially with increasing task difficulty. This indicates that elderly might have difficulties with executing an adequate adaptation to a perturbation in daily life.

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“…They hypothesized that chronic LBP subjects would demonstrate a higher frequency of CoP pattern occurrences as a mechanism to decrease discomfort and fatigue [16]; however, they showed a lower frequency of CoP patterns than healthy controls and this was not affected by time [9]. These differences might be related to an impairment of the somatosensory system, which has also been hypothesized as a reason for less high amplitude body weight shifts in the elderly population [18]. Since many of these studies looked at individuals with pre-existing LBP, it is unknown whether asymptomatic individuals who develop Previous literature has shown that individuals can develop transient low back pain (LBP) during a 2-h bout of unconstrained prolonged standing.…”

Section: Introductionmentioning

confidence: 99%

Do individuals who develop transient low back pain exhibit different postural changes than non-pain developers during prolonged standing?

2011

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Age-related difference on weight transfer during unconstrained standing

Cited by 27 publications

References 21 publications

Postural stability with exhaustive repetitive sit-to-stand exercise in young adults

Postural stability with exhaustive repetitive sit-to-stand exercise in young adults

Differences between Young and Older Adults in the Control of Weight Shifting within the Surface of Support

Do individuals who develop transient low back pain exhibit different postural changes than non-pain developers during prolonged standing?

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