Sagittal plane bending moments acting on the lower leg during running

Gait & Posture
Affendi Haris PhuahMark W Creaby

Abstract

Sagittal bending moments acting on the lower leg during running may play a role in tibial stress fracture development. The purpose of this study was to evaluate these moments at nine equidistant points along the length of the lower leg (10% point-90% point) during running. Kinematic and ground reaction force data were collected for 20 male runners, who each performed 10 running trials. Inverse dynamics and musculoskeletal modelling techniques were used to estimate sagittal bending moments due to reaction forces and muscle contraction. The muscle moment was typically positive during stance, except at the most proximal location (10% point) on the lower leg. The reaction moment was predominantly negative throughout stance and greater in magnitude than the muscle moment. Hence, the net sagittal bending moment acting on the lower leg was principally negative (indicating tensile loads on the posterior tibia). Peak moments typically occurred around mid-stance, and were greater in magnitude at the distal, compared with proximal, lower leg. For example, the peak reaction moment at the most distal point was -9.61+ or - 2.07%Bw.Ht., and -2.73 + or - 1.18%Bw.Ht. at the most proximal point. These data suggest that tensile loads on the poste...Continue Reading

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Citations

Aug 10, 2012·European Journal of Applied Physiology·Marlène GiandoliniJean-Benoît Morin
May 10, 2011·Medicine and Science in Sports and Exercise·Katharina E SchnackenburgSteven K Boyd
Oct 15, 2013·Medicine and Science in Sports and Exercise·Melinda M Franettovich SmithMark W Creaby
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Aug 19, 2015·Clinical Biomechanics·Stacey A MeardonTimothy R Derrick
Oct 19, 2016·Medicine and Science in Sports and Exercise·Mark W CreabyKay M Crossley
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Oct 22, 2019·Medicine and Science in Sports and Exercise·Hannah RiceJoseph Hamill
Oct 8, 2020·World Journal of Clinical Cases·Krzysztof FicekGrzegorz Hajduk

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