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Gepubliceerd in: Journal of Foot and Ankle Research 1/2008

Open Access 01-09-2008 | Keynote presentation

Advances in biomechanics of posterior tibial tendon dysfunction and flatfoot deformity

Auteur: Harold B Kitaoka

Gepubliceerd in: Journal of Foot and Ankle Research | bijlage 1/2008

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Introduction

The objective of this presentation is to highlight the clinical and laboratory-based research related to posterior tibial tendon dysfunction (PTTD).

Methods and results

  • Defining the flatfoot: clinical, foot pressure, radiologic
  • Critical evaluation of flatfoot deformity: in vitro
  • How often does the flatfoot occur?
  • Normal arch development
  • Why is the flatfoot a problem?
  • Why does the flatfoot occur?
  • ○ 1. Effects of weightbearing [1]
  • ○ 2. Lost of static support [2]
  • ○ 3. Loss of dynamic support [3]
  • ○ 4. Anatomic predisposition
  • ○ 5. Joint subluxation
  • Causes of flatfoot in adults
  • ○ 1. Posterior tibial tendon dysfunction (PTTD)
  • ○ 2. Arthritis: Midfoot, hindfoot, ankle
  • ○ 3. Hypermobile flatfoot
  • ○ 4. Neuropathic arthropathy
  • ○ 5. Fracture malunion
  • ○ 6. Inflammatory arthropathy
  • ○ 7. Peroneal spastic flatfoot
  • ○ 8. Neuromuscular disorder
  • ○ 9. Other
  • PTTD etiology
  • PT muscle, tendon anatomy
  • PT function
  • PT muscle activity during gait
  • Factors predisposing to PTTD
  • ○ PT gliding resistance
  • PT pathoanatomy
  • Natural history of PTTD
  • PTTD evaluation: symptoms, signs
  • Investigative studies
  • Gait analysis in PTTD patients
  • Simulated walking: Normal, PTTD [4]
  • PTTD treatment
  • PTTD treatment results
  • Failures, complications

Conclusion

  • Current recommendations

Acknowledgements

Kai-Nan An, PhD; Kenton R Kaufman, PhD
Open AccessThis article is published under license to BioMed Central Ltd. This is an Open Access article is distributed under the terms of the Creative Commons Attribution 2.0 International License (https://​creativecommons.​org/​licenses/​by/​2.​0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Metagegevens
Titel
Advances in biomechanics of posterior tibial tendon dysfunction and flatfoot deformity
Auteur
Harold B Kitaoka
Publicatiedatum
01-09-2008
Uitgeverij
BioMed Central
Gepubliceerd in
Journal of Foot and Ankle Research / Uitgave bijlage 1/2008
Elektronisch ISSN: 1757-1146
DOI
https://doi.org/10.1186/1757-1146-1-S1-K1

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