The Mark Coventry Award: In Vivo Knee Forces During Recreation and Exercise After Knee Arthroplasty

Knee forces directly affect arthroplasty component survivorship, wear of articular bearing surfaces, and integrity of the bone-implant interface. It is not known which activities generate forces within a range that is physiologically desirable but not high enough to jeopardize the survivorship of th...

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Bibliographic Details
Published in:Clinical orthopaedics and related research 2008-11, Vol.466 (11), p.2605-2611
Main Authors: D’Lima, Darryl D., Steklov, Nikolai, Patil, Shantanu, Colwell, Clifford W.
Format: Article
Language:English
Subjects:
Aged
Aged, 80 and over
Arthroplasty, Replacement, Knee - methods
Awards and Prizes
Biological and medical sciences
Conservative Orthopedics
Diseases of the osteoarticular system
Exercise - physiology
Exercise Test
Female
Follow-Up Studies
Humans
Male
Medical sciences
Medicine
Medicine & Public Health
Orthopedics
Osteoarthritis, Knee - physiopathology
Osteoarthritis, Knee - rehabilitation
Osteoarthritis, Knee - surgery
Postoperative Period
Range of Motion, Articular - physiology
Recreation - physiology
Societies, Medical
Sports Medicine
Surgery
Surgical Orthopedics
Symposium: Papers Presented at the Annual Meetings of the Knee Society
Time Factors
Treatment Outcome
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Description
Summary:Knee forces directly affect arthroplasty component survivorship, wear of articular bearing surfaces, and integrity of the bone-implant interface. It is not known which activities generate forces within a range that is physiologically desirable but not high enough to jeopardize the survivorship of the prosthetic components. We implanted three patients with an instrumented tibial prosthesis and measured knee forces and moments in vivo during exercise and recreational activities. As expected, stationary bicycling generated low tibial forces, whereas jogging and tennis generated high peak forces. On the other hand, the golf swing generated unexpectedly high forces, especially in the leading knee. Exercise on the elliptical trainer generated lower forces than jogging but not lower than treadmill walking. These novel data allow for a more scientific approach to recommending activities after TKA. In addition, these data can be used to develop clinically relevant structural and tribologic testing, which may result in activity-specific knee designs such as a knee design more tolerant of golfing by optimizing the conflicting needs of increased rotational laxity and conformity.
ISSN:0009-921X
1528-1132
DOI:10.1007/s11999-008-0345-x