The effects of acute arm crank ergometry and cycle ergometry on postural sway and attentional demands during quiet bipedal standing

Hill, Matthew; Pereira, Christopher; Talbot, Chris J.; Oxford, Samuel W.

doi:10.1007/s00221-015-4252-6

Cited by 2 publications

(2 citation statements)

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“…The current study found significant M-L variability following upper body fatigue; however, previous studies investigating postural sway following upper body fatigue identified no significant differences in M-L variability [9][10][11]. The findings of the study supported previous research in that A-P variability and path length showed no significant difference following upper-body fatigue [9][10][11].…”

Section: Discussionsupporting

confidence: 69%

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The Effects of Upper-Body and Lower-Body Fatigue on Standing Balance

2016

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The purpose of our study was to analyze the effects of upper-body fatigue and lower-body fatigue on post-exercise standing balance. Force plates were used to assess static balance by measuring the displacement of the Center of Pressure (COP) while subjects stood on the plate. Ten healthy male undergraduate students (mean age 20.7 years, SD = 1.3) each participated in one session. All subjects were considered to be physically fit, as determined by self-reported vigorous physical activity in hours per week (mean activity 7.1 hours, SD = 3.7). During sessions, participants performed two control trials and two fatigue trials, with each trial consisting of subjects standing motionless on a force plate for 20 seconds. Participants completed one upper-body fatiguing protocol and one lower-body fatiguing protocol in random order. Standing balance trials were completed before and immediately following each fatigue protocol. Lower-body fatigue was achieved by participants performing a maximum number of body-weight squats, while upper-body fatigue was attained by participants performing a maximum number of push-ups. Subjects reported their Rate of Perceived Exertion (RPE), which was used to determine individuals' subjective level of exhaustion on a scale of 6-20 (mean squat RPE = 14.9, SD = 2.2; mean push-up RPE = 15.4, SD = 1.3). Each subject was required to rest during a 15-minute recovery period between each fatigue protocol. The upper-body fatigue protocol produced significant (p < 0.05) mediolateral variability of the COP when compared to the control condition, and additionally, the lower-body fatigue protocol resulted in a significantly greater path length in comparison to the control trials. There was no significant difference in standing balance between upper and lower-body fatigue trials. The most paramount findings of the present study indicate that the selective fatigue of upper-body musculature greatly impairs standing balance, particularly by causing significant mediolateral deviations.

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Section: Discussionsupporting

confidence: 69%

“…Previous research has found that upper-body fatigue produced no significant balance impairments [9][10][11]. However, this previous literature has only employed the arm crank ergometer as the mode of exercise to attain upper body fatigue [9][10][11].…”

Section: The Effects Of Upper -Body and Lower -Body Fatigue On Standimentioning

confidence: 95%

The Effects of Upper-Body and Lower-Body Fatigue on Standing Balance

2016

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Exercise intensity-dependent effects of arm and leg-cycling on cognitive performance

et al. 2019

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Physiological responses to arm and leg-cycling are different, which may influence psychological and biological mechanisms that influence post-exercise cognitive performance. The aim of this study was to determine the effects of maximal and submaximal (absolute and relative intensity matched) arm and leg-cycling on executive function. Thirteen males (age, 24.7 ± 5.0 years) initially undertook two incremental exercise tests to volitional exhaustion for arm-cycling (82 ± 18 W) and leg-cycling (243 ± 52 W) for the determination of maximal power output. Participants subsequently performed three 20-min constant load exercise trials: (1) arm-cycling at 50% of the ergometer-specific maximal power output (41 ± 9 W), (2) leg-cycling at 50% of the ergometer-specific maximal power output (122 ± 26 W), and (3) leg-cycling at the same absolute power output as the submaximal arm-cycling trial (41 ± 9 W). An executive function task was completed before, immediately after and 15-min after each exercise test. Exhaustive leg-cycling increased reaction time (p < 0.05, d = 1.17), while reaction time reduced following exhaustive arm-cycling (p < 0.05, d = -0.62). Improvements in reaction time were found after acute relative intensity arm (p < 0.05, d = -0.76) and leg-cycling (p < 0.05, d = -0.73), but not following leg-cycling at the same absolute intensity as arm-cycling (p > 0.05). Improvements in reaction time following arm-cycling were maintained for at least 15-min post exercise (p = 0.008, d = -0.73). Arm and leg-cycling performed at the same relative intensity elicit comparable improvements in cognitive performance. These findings suggest that individuals restricted to arm exercise possess a similar capacity to elicit an exercise-induced cognitive performance benefit.

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The effects of acute arm crank ergometry and cycle ergometry on postural sway and attentional demands during quiet bipedal standing

Cited by 2 publications

References 37 publications

The Effects of Upper-Body and Lower-Body Fatigue on Standing Balance

The Effects of Upper-Body and Lower-Body Fatigue on Standing Balance

Exercise intensity-dependent effects of arm and leg-cycling on cognitive performance

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