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The patellar tendon force-elongation (A) and stress-strain (B) relationships according to hip and knee angles during MVIC. SUP60 (closed square blue line); SIT60 (closed square green line); SUP20 (closed circle red line) and SIT20 (closed circle purple line). Data are presented as mean (SD). Legend: SUP60: supine with 60° of knee flexion; SIT60: seated with 60° of knee flexion; SUP20: supine with 20° of knee flexion; SIT20: seated with 20° of knee flexion.
