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Article
Effects of Foot Orthoses on Skeletal Motion During Running
Clinical Biomechanics
  • A. Stacoff, University of Calgary
  • C. Reinschmidt, University of Calgary
  • B. M. Nigg, University of Calgary
  • Antonie J. van den Bogert, Cleveland State University
  • A. Lundberg, University Hospital, Huddinge, Sweden
  • J. Denoth, ETH Zurich
  • E. Stüssi, ETH Zurich
Document Type
Article
Publication Date
1-1-2000
Abstract
Objective. To quantify the effects of medial foot orthoses on skeletal movements of the calcaneus and tibia during the stance phase in running. Design. Kinematic effects of medial foot orthoses (anterior, posterior, no support) were tested using skeletal (and shoe) markers at the calcaneus and tibia. Background. Previous studies using shoe and skin markers concluded that medially placed orthoses control/reduce foot eversion and tibial rotation. However, it is currently unknown if such orthoses also affect skeletal motion at the lower extremities. Methods. Intracortical Hofman pins with reflective marker triads were inserted under standard local anesthetic into the calcaneus and tibia of five healthy male subjects. The three-dimensional tibiocalcaneal rotations were determined using a joint coordinate system approach. Eversion (skeletal and shoe) and tibial rotation were calculated to study the foot orthoses effects. Results. Orthotic effects on eversion and tibial rotations were found to be small and unsystematic over all subjects. Differences between the subjects were significantly larger (pp<0.05). Conclusions. This in vivo study showed that medially placed foot orthoses did not change tibiocalcaneal movement patterns substantially during the stance phase of running. Relevance Orthoses may have only small kinematic effects on the calcaneus and tibia (measured with bone pins) as well as on the shoes (measured with shoe markers) during running of normal subjects. Present results showed that orthotic effects were subject specific and unsystematic across conditions. It is speculated that orthotic effects during the stance phase of running may be mechanical as well as proprioceptive.
Comments

This study was supported by the Swedish Defense Material Administration, the Swiss Federal Sports Commission (ESK), the Olympic Oval Endowment Fund of Calgary and ADIDAS America.

DOI
10.1016/S0268-0033(99)00028-5
Version
Postprint
Citation Information
Stacoff, A., Reinschmidt, C., Nigg, B. M., 2000, "Effects of Foot Orthoses on Skeletal Motion during Running," Clinical Biomechanics, 15(1) pp. 54-64.