Mean ± SD force (% of MVC) at which early (T1), mid (T2) and late (T3) motor units were recruited during the submaximal isometric trapezoidal contraction.
1from reference [22].2A repeat represents a 38.7 nm length of the thin filament.3Includes out-of-target-zone attachments on actin subunit G.4Based on 5.7×108 thick filaments/fiber cross section and 7.
