Figure S9.

Changes in twitch tension from Fig. 5 B (black line) by ±20% variation in detachment rate, ${\mathit{k}}_{\mathbf{-}\mathbf{A}}^{\mathbf{o}}\mathbf{.}$ Increase in $k_{-A}^o$ increases the rate in tension relaxation. The superscript o is omitted from the figure display for clarity.