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. 2019 Jan 31;151(5):645–659. doi: 10.1085/jgp.201812200

Table 1. Skeletal muscle fiber preparation characteristics.

Fibers Length (µm) Width (µm) SL (µm) Passive tension (kN/m2) Maximal Ca2+-activated tension (kN/m2)
Slow-twitch fibers (n = 18) 1,071 ± 38 76 ± 2 2.43 ± 0.02 0.66 ± 0.09 121 ± 6
Fast-twitch fibers (n = 9) 1,104 ± 85 92 ± 3 2.43 ± 0.04 0.25 ± 0.03 145 ± 4