NDLI: The effects of running cadence manipulation on plantar loading in healthy runners.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Wellenkotter, J. Kernozek, T. W. Meardon, S. Suchomel, T.
Description	Country affiliation: United States Author Affiliation: Wellenkotter J ( Health Professions, University of Wisconsin-La Crosse, La Crosse, WI, United States.); Kernozek TW ( Health Professions, University of Wisconsin-La Crosse, La Crosse, WI, United States.); Meardon S ( Department of Physical Therapy, East Carolina University, Greenville, NC, United States.); Suchomel T ( Exercise and Sport Sciences, East Tennessee State University, Johnson City, United States.)
Abstract	Our purpose was to evaluate effects of cadence manipulation on plantar loading during running. Participants (n=38) ran on a treadmill at their preferred speed in 3 conditions: preferred, 5% increased, and 5% decreased while measured using in-shoe sensors. Data (contact time [CT], peak force [PF], force time integral [FTI], pressure time integral [PTI] and peak pressure [PP]) were recorded for 30 right footfalls. Multivariate analysis was performed to detect differences in loading between cadences in the total foot and 4 plantar regions. Differences in plantar loading occurred between cadence conditions. Total foot CT and PF were lower with a faster cadence, but no total foot PP differences were observed. Faster cadence reduced CT, pressure and force variables in both the heel and metatarsal regions. Increasing cadence did not elevate metatarsal loads; rather, total foot and all regions were reduced when healthy runners increased their cadence. If a 5% increase in cadence from preferred were maintained over each mile run the impulse at the heel would be reduced by an estimated 565 body weightss (BWs) and the metatarsals 140-170 BW*s per mile run despite the increased steps taken. Increasing cadence may benefit overuse injuries associated with elevated plantar loading.
File Format	HTM / HTML
ISSN	01724622
Issue Number	9
Volume Number	35
e-ISSN	14393964
Journal	International Journal of Sports Medicine
Language	English
Publisher	Thieme
Publisher Date	2014-08-01
Publisher Place	Germany
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Sports Medicine Foot Physiology Gait Running Weight-bearing Adult Female Humans Male Injuries Young Adult Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Orthopedics and Sports Medicine Physical Therapy, Sports Therapy and Rehabilitation Sports Science

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