NDLI: Effects of age on neuromuscular knee joint control

Content Provider	Springer Nature Link
Author	Melnyk, M. Luebken, F. v. Hartmann, J. Claes, L. Gollhofer, A. Friemert, B.
Copyright Year	2008
Abstract	Age-related changes in neuromuscular function may have adverse effects on hamstring reflex activity and may impair knee joint stability. The aim of this study was to investigate whether increasing age affects hamstring short latency responses (SLR), medium latency responses (MLR), and anterior tibial translation. In 40 healthy subjects ranging from 20 to 70 years of age we assessed hamstring muscle latencies and integrals for both hamstring reflex components (SLRs and MLRs) as well as anterior tibial translation in order to quantify knee joint stability in response to induced tibial translation during stance. The results showed no significant differences within the subject population in hamstring SLR and MLR latencies and integrals or anterior tibial translation. More precisely, regression analysis did not reveal any correlation between age and the aforementioned parameters. Our findings suggest that functional knee stability in terms of anterior tibial translation appears to be unaffected from people 20 to 70 years of age. Thus, as compared with younger people, older people – at least those under 70 years of age – do not appear to have a higher risk of ligamentous knee injuries associated with hamstring dysfunction. Further studies should be conducted to assess whether the present findings also apply to dynamic real-world situations. This would improve the understanding of the relationship between knee stability and ageing.
Starting Page	523
Ending Page	527
Page Count	5
File Format	PDF
ISSN	14396319
Journal	European Journal of Applied Physiology
Volume Number	103
Issue Number	5
e-ISSN	14396327
Language	English
Publisher	Springer-Verlag
Publisher Date	2008-04-19
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ageing effects Injury prevention Anterior tibial translation Hamstring reflex activity Connective tissue Sports Medicine Occupational Medicine/Industrial Medicine Human Physiology
Content Type	Text
Resource Type	Article
Subject	Orthopedics and Sports Medicine Physiology (medical) Public Health, Environmental and Occupational Health Sports Science

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