lˈɛɡɪd ɹˈoʊbɑːts wɜːɹ ɪnˈɪʃəli kənsˈɛptʃuːəlˌaɪzd tə pɹəvˈaɪd mˈoːɹ ɪfˈɛktɪv tɹænspoːɹtˈeɪʃən əkɹˌɑːs ɹˈʌf tɚɹˈeɪnz ʌnɹˈiːtʃəbəl baɪ kənvˈɛnʃənəl wˈiːld ɔːɹ tɹˈækt vˈiəkəlz.
Legged robots were initially conceptualized to provide more effective transportation across rough terrains unreachable by conventional wheeled or tracked vehicles.