Fatiguing Upper Body Aerobic Exercise Impairs Balance

Douris, Peter C.; Handrakis, John P.; Gendy, Joseph; Salama, Mina; Kwon, Dae Gyu; Brooks, Roy L.; Salama, Nardine; Southard, Veronica

doi:10.1519/jsc.0b013e318215fa07

Cited by 13 publications

(17 citation statements)

References 27 publications

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“…Total CoP displacements, velocity and sway area increased with increasing levels of physical exhaustion. This finding is in line with previous research showing impaired balance performance in healthy young adults following local [ 6 , 7 , 29 ] and whole-body fatigue [ 7 , 30 ]. In our study, postural control deteriorated by 23–41% at maximal exertion.…”

Section: Discussionsupporting

confidence: 93%

Postural Control in Dual-Task Situations: Does Whole-Body Fatigue Matter?

et al. 2016

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Postural control is important to cope with demands of everyday life. It has been shown that both attentional demand (i.e., cognitive processing) and fatigue affect postural control in young adults. However, their combined effect is still unresolved. Therefore, we investigated the effects of fatigue on single- (ST) and dual-task (DT) postural control. Twenty young subjects (age: 23.7 ± 2.7) performed an all-out incremental treadmill protocol. After each completed stage, one-legged-stance performance on a force platform under ST (i.e., one-legged-stance only) and DT conditions (i.e., one-legged-stance while subtracting serial 3s) was registered. On a second test day, subjects conducted the same balance tasks for the control condition (i.e., non-fatigued). Results showed that heart rate, lactate, and ventilation increased following fatigue (all p < 0.001; d = 4.2–21). Postural sway and sway velocity increased during DT compared to ST (all p < 0.001; d = 1.9–2.0) and fatigued compared to non-fatigued condition (all p < 0.001; d = 3.3–4.2). In addition, postural control deteriorated with each completed stage during the treadmill protocol (all p < 0.01; d = 1.9–3.3). The addition of an attention-demanding interference task did not further impede one-legged-stance performance. Although both additional attentional demand and physical fatigue affected postural control in healthy young adults, there was no evidence for an overadditive effect (i.e., fatigue-related performance decrements in postural control were similar under ST and DT conditions). Thus, attentional resources were sufficient to cope with the DT situations in the fatigue condition of this experiment.

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Section: Discussionsupporting

confidence: 93%

Postural Control in Dual-Task Situations: Does Whole-Body Fatigue Matter?

et al. 2016

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“…It is unlikely, however, that this occurred in the present study, as the maximum amount of time the subjects were carrying the loads for was for two minutes per gait trial. Fatiguing the upper body in young subjects has been found to affect dynamic balance [30]. Assuming application of these results to older population, prolonged duration of shopping carriage (or increase in load) could result in different findings to the present study.…”

Section: Gait Assessmentcontrasting

confidence: 45%

Carrying shopping bags does not alter static postural stability and gait parameters in healthy older females

Bampouras

Dewhurst

2016

Gait & Posture

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Bampouras, Theodoros and Dewhurst, Susan (2016) Carrying shopping bags does not alter static postural stability and gait parameters in healthy older females. Gait and Posture, Downloaded from: http://insight.cumbria.ac.uk/id/eprint/2055/ Usage of any items from the University of Cumbria's institutional repository 'Insight' must conform to the following fair usage guidelines.Any item and its associated metadata held in the University of Cumbria's institutional repository Insight (unless stated otherwise on the metadata record) may be copied, displayed or performed, and stored in line with the JISC fair dealing guidelines (available here) for educational and not-for-profit activities provided that• the authors, title and full bibliographic details of the item are cited clearly when any part of the work is referred to verbally or in the written form Antero-posterior and medio-lateral displacement, and 95% ellipse area from a 30s quiet standing were used for postural stability assessment. Stride length and its coefficient of variation, total double support time, step asymmetry and gait stability ratio were calculated from one minute treadmill walking at self-selected speed for gait assessment. Carrying shopping bags did not negatively affect postural stability or gait variables, in either group.Further, in older individuals, a decrease in sway velocity was found when holding bags during the postural stability assessment (p<0.05), suggesting that carriage of bags, irrespective of the load distribution, may have a stabilising effect during quiet standing.. These results should help to alleviate concerns regarding safety of carrying shopping bags and help encourage shopping, both as a social and as a physical activity.

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“…Previous reports have shown the contribution of the upper limb to human postural control. Studies employing axillary nerve blockage with anesthetics (Kjaergård et al, 1984 ), upper limb immobilization (Coleman and Clifft, 2010 ; Lui et al, 2013 ) or fatiguing arm exercises (Douris et al, 2011 ) have shown that decreases in upper limb function negatively affect postural control and balance, as observed by increases in body sway or reduced performance in dynamic balance tests. Altered postural control and body alignment were also found in individuals who have undergone radical mastectomy, which usually results in lymphatic edemas, restriction of movement and strength loss in the arms (Rostkowska et al, 2006 ; Ciesla and Polom, 2010 ).…”

Section: Introductionmentioning

confidence: 99%

Balance Impairments after Brachial Plexus Injury as Assessed through Clinical and Posturographic Evaluation

Souza

Lemos

Silva

et al. 2016

Front. Hum. Neurosci.

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Objective: To investigate whether a sensorimotor deficit of the upper limb following a brachial plexus injury (BPI) affects the upright balance.Design: Eleven patients with a unilateral BPI and 11 healthy subjects were recruited. The balance assessment included the Berg Balance Scale (BBS), the number of feet touches on the ground while performing a 60 s single-leg stance and posturographic assessment (eyes open and feet placed hip-width apart during a single 60 s trial). The body weight distribution (BWD) between the legs was estimated from the center of pressure (COP) lateral position. The COP variability was quantified in the anterior-posterior and lateral directions.Results: BPI patients presented lower BBS scores (p = 0.048) and a higher frequency of feet touches during the single-leg stance (p = 0.042) compared with those of the healthy subjects. An asymmetric BWD toward the side opposite the affected arm was shown by 73% of BPI patients. Finally, higher COP variability was observed in BPI patients compared with healthy subjects for anterior-posterior (p = 0.020), but not for lateral direction (p = 0.818).Conclusions: This study demonstrates that upper limb sensorimotor deficits following BPI affect body balance, serving as a warning for the clinical community about the need to prevent and treat the secondary outcomes of this condition.

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Fatiguing Upper Body Aerobic Exercise Impairs Balance

Cited by 13 publications

References 27 publications

Postural Control in Dual-Task Situations: Does Whole-Body Fatigue Matter?

Postural Control in Dual-Task Situations: Does Whole-Body Fatigue Matter?

Carrying shopping bags does not alter static postural stability and gait parameters in healthy older females

Balance Impairments after Brachial Plexus Injury as Assessed through Clinical and Posturographic Evaluation

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