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Published on: August 30, 2016
Lower limb kinematics of unicompartmental knee arthroplasty individuals during stair ascent
Rumit Singh Kakar1, Yang-Chieh Fu2, Tracy L Kinsey3
1School of Rehabilitation Sciences, Old Dominion University, Norfolk, VA, USA.
Objective:
Purpose of the study was to compare lower-limb kinematics and interlimb asymmetry during stair ascent in individuals post-medial or lateral unicompartmental knee arthroplasty (UKA).
Methods:
60 patients (20 medial; 10 lateral) post-UKA and 30 matched healthy controls performed stair ascent. Spatio-temporal, lower-limb kinematics and interlimb asymmetries during stair ascent were compared.
Results:
Medial-UKA group displayed 5° less knee extension of the UKA limb than controls (p = 0.005) and 2° less than the contralateral limb during stance phase. No interlimb asymmetries were found for lateral-UKA.
Conclusion:
Patients post-UKA demonstrate satisfactory lower-limb kinematics and minimal interlimb asymmetry during stair ascent compared to healthy individuals.
