RESEARCH ARTICLE
Head and Tibial Acceleration as a Function of Stride Frequency and Visual Feedback during Running Michael A. Busa1,2, Jongil Lim1,2*, Richard E. A. van Emmerik2, Joseph Hamill1 1 Biomechanics Laboratory, Department of Kinesiology, University of Massachusetts Amherst, Amherst, Massachusetts, United States of America, 2 Motor Control Laboratory, Department of Kinesiology, University of Massachusetts Amherst, Amherst, Massachusetts, United States of America * [email protected]
Abstract a11111
OPEN ACCESS Citation: Busa MA, Lim J, van Emmerik REA, Hamill J (2016) Head and Tibial Acceleration as a Function of Stride Frequency and Visual Feedback during Running. PLoS ONE 11(6): e0157297. doi:10.1371/ journal.pone.0157297 Editor: Mani Alikhani, Harvard School of Dental Medicine, UNITED STATES Received: March 1, 2016 Accepted: May 26, 2016 Published: June 7, 2016 Copyright: © 2016 Busa et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Individuals regulate the transmission of shock to the head during running at different stride frequencies although the consequences of this on head-gaze stability remain unclear. The purpose of this study was to examine if providing individuals with visual feedback of their head-gaze orientation impacts tibial and head accelerations, shock attenuation and headgaze motion during preferred speed running at different stride frequencies. Fifteen strides from twelve recreational runners running on a treadmill at their preferred speed were collected during five stride frequencies (preferred, ±10% and ±20% of preferred) in two visual task conditions (with and without real-time visual feedback of head-gaze orientation). The main outcome measures were tibial and head peak accelerations assessed in the time and frequency domains, shock attenuation from tibia to head, and the magnitude and velocity of head-gaze motion. Decreasing stride frequency resulted in greater vertical accelerations of the tibia (p
Head and Tibial Acceleration as a Function of Stride Frequency and Visual Feedback during Running Michael A. Busa1,2, Jongil Lim1,2*, Richard E. A. van Emmerik2, Joseph Hamill1 1 Biomechanics Laboratory, Department of Kinesiology, University of Massachusetts Amherst, Amherst, Massachusetts, United States of America, 2 Motor Control Laboratory, Department of Kinesiology, University of Massachusetts Amherst, Amherst, Massachusetts, United States of America * [email protected]
Abstract a11111
OPEN ACCESS Citation: Busa MA, Lim J, van Emmerik REA, Hamill J (2016) Head and Tibial Acceleration as a Function of Stride Frequency and Visual Feedback during Running. PLoS ONE 11(6): e0157297. doi:10.1371/ journal.pone.0157297 Editor: Mani Alikhani, Harvard School of Dental Medicine, UNITED STATES Received: March 1, 2016 Accepted: May 26, 2016 Published: June 7, 2016 Copyright: © 2016 Busa et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Individuals regulate the transmission of shock to the head during running at different stride frequencies although the consequences of this on head-gaze stability remain unclear. The purpose of this study was to examine if providing individuals with visual feedback of their head-gaze orientation impacts tibial and head accelerations, shock attenuation and headgaze motion during preferred speed running at different stride frequencies. Fifteen strides from twelve recreational runners running on a treadmill at their preferred speed were collected during five stride frequencies (preferred, ±10% and ±20% of preferred) in two visual task conditions (with and without real-time visual feedback of head-gaze orientation). The main outcome measures were tibial and head peak accelerations assessed in the time and frequency domains, shock attenuation from tibia to head, and the magnitude and velocity of head-gaze motion. Decreasing stride frequency resulted in greater vertical accelerations of the tibia (p
