Circumstantial evidence in the literature points towards a relationship between heavy labour and arthrosis of the knee.
The aim of this study was to demonstrate which occupational activities yield the greatest knee moments and thus indicate possible gonarthrosis-inducing occupational hazards.
Twelve healthy and uninjured medical students were studied in set occupational situations in a laboratory for gait analysis, using a force plate with video display of force vectors and knee joints (VIFOR).
With normal walking as a baseline for moment it was found that activities involving knee flexion, such as lifting objects from one level to the other, climbing stairs and ladders, and jumping down, revealed a significant increase in moment.
On the other hand, carrying objects in one or both hands did not yield significant increase in knee moment compared with normal walking.
Flexed knee lifting had significantly lower moment than jumping down from a height of 0.5 m on to one or both feet.
Three levels of knee moment could thus be identified, i.e., normal walking, flexed knee lifting and jumping down.
Mots-clés Pascal : Activité professionnelle, Genou, Moment, Biomécanique, Exposition professionnelle, Charge travail, Condition travail, Arthrose, Membre inférieur, Médecine travail, Système ostéoarticulaire pathologie, Arthropathie, Maladie dégénérative, Homme
Mots-clés Pascal anglais : Professional activity, Knee, Moment, Biomechanics, Occupational exposure, Workload, Working condition, Osteoarthritis, Lower limb, Occupational medicine, Diseases of the osteoarticular system, Arthropathy, Degenerative disease, Human
Notice produite par :
Inist-CNRS - Institut de l'Information Scientifique et Technique
Cote : 95-0441511
Code Inist : 002B15E. Création : 01/03/1996.