Abstract
Contact areas and peak pressures in the posterior facet of the subtalar and the talonavicular joints were measured in cadaver lower limbs for both the normal limb and after fixation of the tibiotalar joint. Six joints were fixed in neutral, in 5-7 degrees of varus and of valgus. Ten degrees of equinus angulation was also studied. Each position of fixation was tested independently. Neutral was defined as fixation without coronal or sagittal plane angulation compared with prefixation alignment of the specimen. When compared with normal unfused condition, peak pressures increased, and contact areas decreased in the subtalar joint for specimens fixed in neutral, varus, and valgus. However, the change in peak pressure for neutral fusion compared with normal control was not statistically significant (P > 0.07). Peak pressures for varus and valgus fixation were significantly different from normal (P < 0.001). Contact areas for all positions of fixation were significantly different from normal (P < 0.001). Coronal plane angulation, however, also resulted in significantly lower contact areas compared with neutral fixation (P < 0.001). Contact areas and peak pressures in the talonavicular joint did not appear to be substantially affected...Continue Reading
References
Jul 1, 1992·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·U A WagnerA F Tencer
Jul 1, 1992·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·B J SangeorzanA F Tencer
Aug 1, 1991·Foot & Ankle·A J BeaudoinR S Adelaar
Apr 1, 1987·Foot & Ankle·A J TingC Resnick
Jan 1, 1966·Acta Orthopaedica Scandinavica·R KivilaaksoP Salenius
Jan 1, 1994·Journal of Biomechanics·G A AteshianV C Mow
Mar 1, 1995·Journal of Biomechanics·C L WangT K Liu
May 1, 1993·Foot & Ankle·M S Myerson, M R Henderson
Oct 1, 1995·Foot & Ankle International·B Hintermann, B M Nigg
Citations
Aug 10, 2007·BMC Musculoskeletal Disorders·A SuckelN Wulker
Apr 2, 2011·Operative Orthopädie und Traumatologie·R P M HendrickxR K Marti
Mar 12, 2011·Clinical Biomechanics·Reinhard SchuhHans-Joerg Trnka
May 1, 2007·Gait & Posture·A SuckelN Wulker
Oct 17, 2003·Foot and Ankle Clinics·Anish R Kadakia, Steven L Haddad
Oct 23, 2004·Foot and Ankle Clinics·William R Ledoux, Bruce J Sangeorzan
Jul 15, 2015·Foot & Ankle International·Laurens W van der PlaatC Niek van Dijk
Feb 3, 2005·The Journal of Bone and Joint Surgery. American Volume·Dimitris KatsenisJohn E Herzenberg
Jun 30, 2016·Foot & Ankle International·Dustin A BrueningStephanie M Galey
Jan 30, 2007·Foot & Ankle International·Hong-Geun JungLew C Schon
Jan 10, 2012·Foot & Ankle International·Roel P M HendrickxGino M M J Kerkhoffs
Aug 25, 2017·Foot & Ankle International·Daniel R SturnickJosh R Baxter
Jan 22, 2005·Journal of the American Podiatric Medical Association·Robert W MendicinoDror Paley
Sep 11, 2019·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Sheri I ImsdahlWilliam R Ledoux
Oct 3, 2002·Foot & Ankle International·Heikki MäenpääEero A Belt
Apr 12, 2017·JBJS Essential Surgical Techniques·Robert G Dekker, Anish R Kadakia
Jul 9, 2004·Clinical Orthopaedics and Related Research·Justin GreisbergSigvard T Hansen
Jun 29, 2001·Foot & Ankle International·H MäenpääE A Belt