Muscle weakness is associated with non-contractile muscle tissue of the vastus medialis muscle in knee osteoarthritis.
Josien C van den NoortMarike van der LeedenGerard StapperWolfgang WirthMario MaasLeo D RoordaWillem F LemsJoost DekkerMartin van der EschPublished in: BMC musculoskeletal disorders (2022)
A high percentage of non-contractile muscle tissue in the vastus medialis muscle measured by clinical T1-weighted 3T MRI is associated with muscle weakness. The association is confounded by sex and BMI. Non-contractile muscle tissue seems to be an important compositional property of the vastus medialis muscle underlying quadriceps weakness.