Article

Muscle weakness is common and strongly related to clinical outcome in
patients with knee or hip osteoarthritis. To date, there is no clear overview of
the information on factors associated with muscle strength in knee and hip
osteoarthritis. The aim of this paper is to provide an overview of current
knowledge on factors associated with upper leg muscle strength in this
population. DESIGN: The framework of a scoping review was chosen. MEDLINE
database was searched systematically up to 22 April 2017. Studies that described
a relationship between a factor and muscle strength in knee or hip osteoarthritis
were included. RESULTS: A total of 65 studies met the inclusion criteria. In
studies of knee osteoarthritis, 4 factors were consistently found to be
associated with lower muscle strength. Due to the low number of studies on hip
osteoarthritis no conclusions could be drawn on associations. CONCLUSION: Lower
muscle quality, physical inactivity, more severe joint degeneration, and higher
pain are reported to be associated with lower strength in the upper leg muscles
in knee osteoarthritis. Future research into knee osteoarthritis should focus on
other potential determinants of muscle strength, such as muscle quantity, muscle
activation, nutrition and vitamins, and inflammation. In hip osteoarthritis, more
research is needed into all potential determinants.

Langue : ANGLAIS