Michael Browne

Michael Browne
Kennedy Krieger Institute/Johns Hopkins University School of Medicine · Center for Movement Studies/Department of Physical Medicine and Rehabilitation

Doctor of Philosophy

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6
Publications
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207
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Publications

Publications (6)
Article
The plantarflexor muscles are critical for forward propulsion and leg swing initiation during the push-off phase of walking, serving to modulate step length and walking speed. However, reduced ankle power output is common in aging and gait pathology and is considered a root biomechanical cause of compensatory increases in hip power generation and i...
Article
Full-text available
Introduction Compared to young adults, older adults walk with smaller propulsive forces and a redistribution to more proximal leg muscles for power generation during push-off. Despite this deficit in propulsive function, older adults can increase push-off intensity when encouraged to via real-time biofeedback. However, the specific joint-level modi...
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Article
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Before succumbing to slower speeds, older adults may walk with a diminished push-off to prioritize stability over mobility. However, direct evidence for trade-offs between push-off intensity and balance control in human walking, independent of changes in speed, has remained elusive. As a critical first step, we conducted two experiments to investig...
Article
Walking speed is modulated using propulsive forces (FP) during push-off and both preferred speed and FP decrease with aging. However, even prior to walking slower, reduced FP may be accompanied by potentially unfavorable changes in joint power generation. For example, compared to young adults, older adults exhibit a redistribution of mechanical pow...

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