Speed dependent effects of laterally wedged insoles on gait biomechanics in healthy subjects

Kluge F, Krinner S, Lochmann M, Eskofier B (2017)

Publication Language: English

Publication Type: Journal article, Original article

Publication year: 2017


Book Volume: 55

Pages Range: 145-149

URI: https://www.mad.tf.fau.de/files/2020/12/kluge_2017_gp_proof.pdf

DOI: 10.1016/j.gaitpost.2017.04.012


Laterally wedged insoles have been shown to be effective for the reduction of the knee adduction moment and other biomechanical variables that are associated with the pathogenesis of knee osteoarthritis. However, inconclusive results such as adverse effects in individual subjects or even no group-wise wedge effects have been presented in different studies and it has been suggested to identify variables that potentially confound the wedge effect. The main objective of this study was the investigation of interaction effects of lateral wedges with walking speed, as different self-select speeds have mainly been used in previous studies.

Twenty-two healthy subjects completed gait analysis trials on an instrumented treadmill. They walked in different speed conditions (0.9, 1.1, 1.3, 1.5 m/s) with a neutral and a laterally wedged insole. Kinematics were acquired using infrared cinematography with reflective markers attached to the lower body. From the stance phase we extracted biomechanical parameters that are associated with knee joint loading and osteoarthritis severity.

No interaction effect of lateral wedges and speed was observed for most biomechanical parameters except for the ankle eversion range of motion. The main effects of wedges were reductions of the external knee adduction moment and of the knee adduction angular impulse. All biomechanical variables changed with increasing speed. Only the lateral offset of the center of pressure did not respond to wedge or to speed changes.

Our results suggest that different self-selected speeds do not confound the effect of laterally wedged insoles.

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Kluge, F., Krinner, S., Lochmann, M., & Eskofier, B. (2017). Speed dependent effects of laterally wedged insoles on gait biomechanics in healthy subjects. Gait & Posture, 55, 145-149. https://doi.org/10.1016/j.gaitpost.2017.04.012


Kluge, Felix, et al. "Speed dependent effects of laterally wedged insoles on gait biomechanics in healthy subjects." Gait & Posture 55 (2017): 145-149.

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