Scaling exponents and 95% confidence intervals for individual pelvic limb tendons. (A) Tendon mass. (B) Tendon length. (C) Tendon CSAA. Vertical dotted lines group tendons by muscle–tendon unit function, which from left to right are: (1) ankle extension and knee flexion; (2) ankle extension and digital flexion; (3) ankle extension; (4) ankle flexion; (5) digital extension. Horizontal dashed lines represent predicted isometric scaling exponents. Muscle abbreviations: G, gastrocnemius; FPPD3, flexor perforans et perforatus digiti III; FPD3, flexor perforatus digiti III; FPD4, flexor perforatus digiti IV; FDL, flexor digitorum longus; FL, fibularis longus; TC, tibialis cranialis; EDL, extensor digitorum longus.