Fig. 2From: Assessment of causal effects of physical activity on the risk of osteoarthritis: a two-sample Mendelian randomization studySchematic diagram of a bidirectional MR study of LST, MVPA and OA. Abbreviations: LST, leisure screen time. MVPA, moderate to vigorous intense physical activity during leisure screen time. OA, osteoarthritis. LD, linkage disequilibrium. KOA, knee osteoarthritis. HOA, hip osteoarthritis. SNPs, single-nucleotide polymorphisms. MR, Mendelian randomization. IVW, inverse variance weightedBack to article page