The role of foot pronation in the development of femoral and tibial stress fractures: a prospective biomechanical study

Clinical Journal of Sport Medicine : Official Journal of the Canadian Academy of Sport Medicine
Iftach HetsroniM Ayalon

Abstract

To examine whether dynamic parameters of foot pronation are risk factors for the development of stress fractures of the femur and tibia. Observational prospective study. Infantry basic training course. 473 recruits evaluated for stress fractures of the femur and tibia every 2 weeks during 14 weeks of infantry basic training. The final analysis included 405 recruits. Two weeks before commencement of training, the recruits were evaluated during treadmill walking for their subtalar joint kinematics. Five independent variables were measured bilaterally: maximal pronation angle during the stance, pronation range of motion, time from heel strike to maximum pronation, pronation mean angular velocity, and time to maximum pronation as a percent of the total stance time. Stress fractures of the femur and tibia. These were considered positive only when proven by imaging. Ten percent of the participants were diagnosed with stress fractures of the femur and tibia. Recruits with longer duration of foot pronation had reduced odds ratio to develop this injury. Longer duration of foot pronation may have a protective effect from stress fractures of the femur and tibia. This finding may promote the understanding of stress fracture pathomechanism,...Continue Reading

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Citations

Jan 20, 2015·Journal of Foot and Ankle Research·Geoffrey J DowlingNatalie J Collins
Apr 22, 2009·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Rachel C EntwistleSusan M Stover
Mar 24, 2012·Gait & Posture·Vivienne H Chuter, Xanne A K Janse de Jonge
Feb 13, 2013·Evidence-based Complementary and Alternative Medicine : ECAM·Fang WangAlbert Yeung
Oct 10, 2013·Journal of Sports Sciences·Yo ShihTzyy-Yuang Shiang
Nov 2, 2013·Sports Health·Robert A GalloMatthew L Silvis
Feb 19, 2015·Prosthetics and Orthotics International·Amira Abdallah Abd El Megeid Abdallah
Mar 17, 2010·Foot & Ankle International·Iftach HetsroniMoshe Ayalon
Oct 7, 2011·Foot & Ankle International·Andrew BarnesClare E Milner
Jul 9, 2010·The Cochrane Database of Systematic Reviews·Aziz SheikhConstant Paul van Schayck

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