Influence of Trunk Posture on Lower Extremity Energetics during Running

Teng, Hsiang‐Ling; Powers, Christopher M.

doi:10.1249/mss.0000000000000436

Cited by 43 publications

(33 citation statements)

References 36 publications

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“…In contrast, increased trunk flexion shifted demand away from the knee joint, and to the hip and ankle (although the latter was not statistically higher). 25 However, the authors warn that this study was performed in healthy subjects and more work is necessary to understand the relationship between trunk lean and running injuries. Furthermore, the authors noted that the trunk lean in these subjects was not purely from the ankles, as is recommended by some running styles, but rather a combination of hip flexion, pelvis anterior tilt, and other small kinematic adjustments.…”

Section: Side Viewmentioning

confidence: 99%

An Evidence-Based Videotaped Running Biomechanics Analysis

Souza

2016

Physical Medicine and Rehabilitation Clinics of North America

107

104

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Section: Side Viewmentioning

confidence: 99%

An Evidence-Based Videotaped Running Biomechanics Analysis

Souza

2016

Physical Medicine and Rehabilitation Clinics of North America

107

104

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“…Anterior trunk lean is also commonly suggested as a gait modification to soften footfalls (Arendse et al, 2004) and was originally proposed by Romanov in the Pose Method (Fletcher et al, 2008). While fewer studies have been performed investigating the relationship between anterior trunk lean and impact loading, it has been shown that knee joint energetics (Arendse et al, 2004;Teng and Powers, 2014a), knee muscles activity (Teng and Powers, 2016), and patellofemoral joint stress (Teng and Powers, 2014b) are linked to anterior trunk lean in runners.…”

Section: Introductionmentioning

confidence: 99%

Foot strike pattern, step rate, and trunk posture combined gait modifications to reduce impact loading during running

Huang

Xia

Chen

et al. 2019

Journal of Biomechanics

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Elevated impact loading can be detrimental to runners as it has been linked to the increased risk of tibial stress fracture and plantar fasciitis. The objective of this study was to investigate the combined effects of foot strike pattern, step rate, and anterior trunk lean gait modifications on impact loading in runners. Nineteen healthy runners performed 12 separate gait modification trials involving: three foot strike patterns (rearfoot, midfoot, and forefoot strike), two step rates (natural and 10% increased), and two anterior trunk lean postures (natural and 10-degree increased flexion). Overall, forefoot strike combined with increased step rate led to the lowest impact loading rates, and rearfoot strike combined with anterior trunk lean led to the highest impact loading rates. In addition, there were interaction effects between foot strike pattern and step rate on awkwardness and effort, such that it was both more natural and easier to transition to a combined gait modification involving forefoot strike and increased step rate than to an isolated gait modification involving either forefoot strike or increased step rate. These findings could help to inform gait modifications for runners to reduce impact loading and associated injury risks.

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“…Specifically, a more upright trunk posture has been associated with higher knee-extensor moments and patellofemoral-joint stress during running. 3,4 Moreover, incorporating a forward-lean trunk posture has been shown to reduce knee-extensor moment, knee energy absorption, and patellofemoral stress during running. [4][5][6] The hip and knee extensors work in conjunction to decelerate and accelerate the body's center of mass during the stance phase of running.…”

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confidence: 99%