english: They have two types of flight muscle: so-called power muscle, which is stretch-activated, which means that it activates itself and does not need to be controlled on a contraction-by-contraction basis by the nervous system.
non_english: One imaju dve vrste mišića za letenje: takozvane mišiće snage, koji se aktiviraju zatezanjem, što znači da se oni sami aktiviraju i nervni sistem ih ne mora kontrolisati od kontrakcije do kontrakcije.