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Randomised comparative trial to compare the functional outcome in the standard NexGen lagacy knee replacement to the nexGen lagacy flex knee replacement: preliminary results and comparison with an age matched control group

Van der Linden, M.L. and Rowe, P.J. and Nutton, R.W. (2005) Randomised comparative trial to compare the functional outcome in the standard NexGen lagacy knee replacement to the nexGen lagacy flex knee replacement: preliminary results and comparison with an age matched control group. In: Institution of Mechanical Engineers Knee Arthroplasty: Engineering Functionality, 2005-04-07 - 2005-04-09.

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Abstract

This paper reports on the characteristics of a sample of patients on the waiting list for total knee replacement surgery. Maximum knee flexion in sitting and standing, knee motion during functional tasks derived from electrogoniometry, and muscle strength were recorded in addition to the WOMAC and the American Knee Score questionnaires. The patients' daily physical mobility was measured using an activity monitor. Patients used less knee range of motion during functional tasks compared to age-matched controls and also took less steps during the day. Maximum flexion in standing was more strongly associated with knee motion during functional tasks than maximum flexion in sitting.