Self-reported foot strike patterns and sonographic evidence of achilles tendinopathy in asymptomatic marathon runners - Marberry, S. M.; Filmalter, S. E.; Pujalte, G. G.; Presley, J. C.; DeMatas, K. F.; Montero, D. P.; Israni, K.; Ball, C. T.; Maynard, J. R. (Journal of Sports Sciences, 2022)