Greater Quadriceps Strength May Benefit Those With Knee Osteoarthritis
ScienceDaily — Studies on the influence of quadriceps strength on knee osteoarthritis (OA), one of the leading causes of disability among the elderly, have shown conflicting results. In some studies, decreased quadriceps strength is associated with greater knee pain and impaired function, while other studies show mixed results on the effect of quadriceps strength on the structural progression of knee OA.
Most studies to date have used X-rays to indirectly measure cartilage loss in knee OA and have focused on the tibiofemoral joint (the main joint in the knee where the thigh and shin bones meet). A new study has examined the effect of quadriceps strength on cartilage loss (measured using magnetic resonance imaging [MRI]) at both the tibiofemoral joint and the patellofemoral joint (where the thigh bone and knee cap meet) as well as on knee OA symptoms.
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