The cellular composition and underlying spatiotemporal transformation processes of subchondral bone in osteoarthritis (OA) remain unknown. Herein, various cell subsets from tibial plateau of patients ...

Where m musc is the muscle mass, σ is the maximum tension developed in the muscle fibers, cos(αo) is the cosine of the pennation angle at fiber length, ρ is the density of the muscle tissue and ℓo is ...