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Differences in 10-20 Hz ‘shock’ attenuation emerge between injured and uninjured runners across a 30-minute run
Differences in 10-20 Hz ‘shock’ attenuation emerge between injured and uninjured runners across a 30-minute run
Kiernan D, Hawkins DA, & Christiansen BA
Journal of Biomechanics, accepted
Running is associated with high rates of injury. One mechanism that has been proposed to contribute to running injury is greater exposure to 10-20 Hz frequencies. Typically, these frequencies are attenuated (decreased in power) as they travel up the body, however, attenuation may be compromised as runners become fatigued. Here, we report the first ever comparison of 10-20 Hz frequency attenuation in injured and uninjured runners across a fatiguing run.
A 0.05 m change in inertial measurement unit placement alters time and frequency domain metrics during running
A 0.05 m change in inertial measurement unit placement alters time and frequency domain metrics during running
Kiernan D, Katzman Z, Hawkins DA, & Christiansen BA
Sensors, 2024
https://pubmed.ncbi.nlm.nih.gov/38276348/
Inertial measurement units (IMUs) provide exciting opportunities to collect large volumes of running biomechanics data in the real world. IMU signals may, however, be affected by variation in the initial IMU placement or movement of the IMU during use. To quantify the effect that changing an IMU’s location has on running data, a reference IMU was ‘correctly’ placed on the shank, pelvis, or sacrum of 74 participants. A second IMU was ‘misplaced’ 0.05 m away, simulating a ‘worst-case’ misplacement or movement. Participants ran over-ground while data were simultaneously recorded from the reference and misplaced IMUs.
Acceleration-based estimation of vertical ground reaction forces during running: A comparison of methods across running speeds, surfaces, and foot strike patterns
Acceleration-based estimation of vertical ground reaction forces during running: A comparison of methods across running speeds, surfaces, and foot strike patterns
Kiernan D, Ng B, & Hawkins DA
Sensors, 2023
https://pubmed.ncbi.nlm.nih.gov/37960420/
Twenty-seven methods of estimating vertical ground reaction force first peak, loading rate, second peak, average, and/or time series from a single wearable accelerometer worn on the shank or approximate center of mass during running were compared. Force estimation errors were quantified for 74 participants across different running surfaces, speeds, and foot strike angles and biases, repeatability coefficients, and limits of agreement were modeled with linear mixed effects to quantify the accuracy, reliability, and precision.
Unsupervised gait event identification with a single wearable accelerometer and/or gyroscope: A comparison of methods across running speeds, surfaces, and foot strike patterns
Unsupervised gait event identification with a single wearable accelerometer and/or gyroscope: A comparison of methods across running speeds, surfaces, and foot strike patterns
Kiernan D, Dunn Siino K, & Hawkins DA
Sensors, 2023
Accelerometer-based prediction of running injury in National Collegiate Athletic Association track athletes
Accelerometer-based prediction of running injury in National Collegiate Athletic Association track athletes
Kiernan D, Hawkins DA, Manoukian MAC, McKallip M, Oelsner L, Caskey CF, & Coolbaugh CL
Journal of Biomechanics, 2018
Amputee locomotion: Frequency content of prosthetic vs. intact limb vertical ground reaction forces during running and the effects of filter cut-off frequency
Amputee locomotion: Frequency content of prosthetic vs. intact limb vertical ground reaction forces during running and the effects of filter cut-off frequency
Kiernan D, Miller RH, Kwon HJ, Baum B, & Shim JK
J Biomech, 2017
Corrections in saccade endpoints scale to the amplitude of target displacements in a double-step paradigm
Corrections in saccade endpoints scale to the amplitude of target displacements in a double-step paradigm
Kiernan D, Manson G, Heath M, Tremblay L, & Welsh TN
Neurosci Lett, 2016
Abnormal surround inhibition does not affect asymptomatic limbs in people with cervical dystonia
Abnormal surround inhibition does not affect asymptomatic limbs in people with cervical dystonia
McDougall L, Kiernan D, Kiss ZHT, Suchowersky O, & Welsh TN
Neurosci Lett, 2015
How one breaks Fitts’ Law and gets away with it: Moving further involves more efficient online control
How one breaks Fitts’ Law and gets away with it: Moving further involves more efficient online control
Glazebrooke CM, Kiernan D, Welsh TN, & Tremblay L
Hum Mov Sci, 2015
On mechanisms, methods, and measures: A response to Guagnano, Rusconi, and Umilta
On mechanisms, methods, and measures: A response to Guagnano, Rusconi, and Umilta
Welsh TN, Kiernan D, Neyedli HF, Ray M, Pratt J, & Weeks DJ
J Mot Behav, 2013
https://www.tandfonline.com/doi/full/10.1080/00222895.2012.746560
Joint Simon Effects in extrapersonal space
Joint Simon Effects in extrapersonal space
Welsh TN, Kiernan D, Neyedli HF, Ray M, Pratt J, Potruff A, & Weeks DJ
J Mot Behav, 2013
Inverting the Joint Simon Effect by intention
Inverting the Joint Simon Effect by intention
Kiernan D, Ray M, & Welsh TN
Psychon Bull Rev, 2012
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