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Full-Text Articles in Life Sciences
Suppressing A Blocked Balance Recovery Step: A Novel Method To Assess An Inhibitory Postural Response, David A. E. Bolton, Charlie C. Baggett Iv, Chase A. Mitton, Sara A. Harper, James K. Richardson
Suppressing A Blocked Balance Recovery Step: A Novel Method To Assess An Inhibitory Postural Response, David A. E. Bolton, Charlie C. Baggett Iv, Chase A. Mitton, Sara A. Harper, James K. Richardson
Kinesiology and Health Science Faculty Publications
Stepping to recover balance is an important way we avoid falling. However, when faced with obstacles in the step path, we must adapt such reactions. Physical obstructions are typically detected through vision, which then cues step modification. The present study describes a novel method to assess visually prompted step inhibition in a reactive balance context. In our task, participants recovered balance by quickly stepping after being released from a supported forward lean. On rare trials, however, an obstacle blocked the stepping path. The timing of vision relative to postural perturbation was controlled using occlusion goggles to regulate task difficulty. Furthermore, …
Which Exercise Interventions Can Most Effectively Improve Reactive Balance In Older Adults? A Systematic Review And Network Meta-Analysis, Youngwook Kim, Michael N. Vakula, David A. E. Bolton, Christopher J. Dakin, Brennan J. Thompson, Timothy A. Slocum, Masaru Teramoto, Eadric Bressel
Which Exercise Interventions Can Most Effectively Improve Reactive Balance In Older Adults? A Systematic Review And Network Meta-Analysis, Youngwook Kim, Michael N. Vakula, David A. E. Bolton, Christopher J. Dakin, Brennan J. Thompson, Timothy A. Slocum, Masaru Teramoto, Eadric Bressel
Kinesiology and Health Science Faculty Publications
Background: Reactive balance is the last line of defense to prevent a fall when the body loses stability, and beneficial effects of various exercise-based interventions on reactive balance in older adults have been reported. However, their pooled evidence on the relative effects has yet to be described. Objective: To review and evaluate the comparative effectiveness of various exercise-based interventions on reactive balance in older adults. Methods: Nine electronic databases and reference lists were searched from inception to August 2021. Eligibility criteria according to PICOS criteria were as follows: (1) population: older adults with the mean age of 65 years or …
Motor Preparation For Compensatory Reach-To-Grasp Responses When Viewing A Wall-Mounted Safety Handle, David A.E. Bolton, David M. Cole, Jixun Zhan, Manhoud Mansour, Garrett Rydalch, Douglas W. Mcdannald, Sarah E. Schwartz
Motor Preparation For Compensatory Reach-To-Grasp Responses When Viewing A Wall-Mounted Safety Handle, David A.E. Bolton, David M. Cole, Jixun Zhan, Manhoud Mansour, Garrett Rydalch, Douglas W. Mcdannald, Sarah E. Schwartz
Kinesiology and Health Science Faculty Publications
The present study explored how motor cortical activity was influenced by visual perception of complex environments that either afforded or obstructed arm and leg reactions in young, healthy adults. Most importantly, we focused on compensatory balance reactions where the arms were required to regain stability following unexpected postural perturbation. Our first question was if motor cortical activity from the hand area automatically corresponds to the visual environment. Affordance-based priming of the motor system was assessed using single-pulse Transcranial Magnetic Stimulation (TMS) to determine if visual access to a wall-mounted support handle influenced corticospinal excitability. We evaluated if hand actions were …
Priming Of Grasping Muscles When Viewing A Safety Handle Is Diminished With Age, David A.E. Bolton, Sarah E. Schwartz, Manhoud Mansour, Garrett Rydalch, Douglas W. Mcdannald
Priming Of Grasping Muscles When Viewing A Safety Handle Is Diminished With Age, David A.E. Bolton, Sarah E. Schwartz, Manhoud Mansour, Garrett Rydalch, Douglas W. Mcdannald
Kinesiology and Health Science Faculty Publications
Merely viewing objects within reachable space can activate motor cortical networks and potentiate movement. This holds potential value for smooth interaction with objects in our surroundings, and could offer an advantage for quickly generating targeted hand movements (e.g. grasping a support rail to maintain stability). The present study investigated if viewing a wall-mounted safety handle resulted in automatic activation of motor cortical networks, and if this effect changes with age. Twenty-five young adults (18–30 years) and seventeen older adults (65+ years) were included in this study. Single-pulse, transcranial magnetic stimulation was applied over the motor cortical hand representation of young …