Kinematics and Function of Total Ankle Replacements Versus Normal Ankles

Justin M Kane; Scott Coleman; James W Brodsky

doi:10.1016/j.fcl.2017.01.007

Kinematics and Function of Total Ankle Replacements Versus Normal Ankles

Foot Ankle Clin. 2017 Jun;22(2):241-249. doi: 10.1016/j.fcl.2017.01.007.

Authors

Justin M Kane¹, Scott Coleman², James W Brodsky³

Affiliations

¹ Foot and Ankle Division, Orthopedic Associates of Dallas, Baylor University Medical Center, 3900 Junius Street, Suite 500, Dallas, TX 75246, USA; Foot and Ankle Surgery Fellowship Program, Baylor University Medical Center, 3500 Gaston Avenue, Dallas, TX 75246, USA.
² Human Motion and Performance Laboratory, Department of Orthpaedic Surgery, Baylor University Medical Center, 411 North Washington Avenue, Suite 2100, Dallas, TX 75246, USA.
³ Foot and Ankle Division, Orthopedic Associates of Dallas, Baylor University Medical Center, 3900 Junius Street, Suite 500, Dallas, TX 75246, USA; Foot and Ankle Surgery Fellowship Program, Baylor University Medical Center, 3500 Gaston Avenue, Dallas, TX 75246, USA; Department of Orthopaedic Surgery, University of Texas Southwestern Medical School, Dallas, TX, USA; Texas A & M HSC College of Medicine, BUMC Dallas Campus, 3500 Gaston Avenue, Dallas, TX 75246, USA. Electronic address: [email protected].

PMID: 28502346
DOI: 10.1016/j.fcl.2017.01.007

Abstract

End-stage ankle arthritis produces severe functional disability, quantifiable by gait abnormalities. In all categories of gait parameters, total ankle arthroplasty (TAA) satistically significantly improves function, compared to patients' preoperative function. There are increases in step length, cadence and velocity; in sagittal plane motion of the ankle, as well has hip and knee motion, and in ankle power and moment. These functional gait improvements correspond to clinical improvements of pain relief and satisfaction. Although these improvements fail to reach the functional performance of healthy controls, the improvement over preoperative function is clinically meaningful and statistically significant.

Keywords: Arthritis; Biomechanics; Gait; Kinematics; Total ankle arthroplasty.

Publication types

Review

MeSH terms

Ankle Joint / anatomy & histology
Ankle Joint / physiology*
Arthroplasty, Replacement, Ankle*
Biomechanical Phenomena
Gait / physiology*
Humans
Range of Motion, Articular