lˈɛɡ swˈiːp lˈɔsᵻz kˈʌm fɹʌmðə nˈiːd tʊ ɐksˈɛlɚɹˌeɪt ðə fˈʊt tə mˈætʃ ðə spˈiːd ʌvðə ɡɹˈaʊnd mˈuːvɪŋ pˈæst ɪt, ænd ɪɾ ɪz kˈɛpt mˈɪnɪməl baɪ jˈuːzɪŋ ɐ vˈɛɹi lˈaɪt lˈɛɡ ðæt dʌznˌɑːt hˈoʊld mˈʌtʃ ɪnˈɜːʃə ðæt nˈiːdz təbi fˈɔːt ɐɡˈɛnst.
Leg sweep losses come from the need to accelerate the foot to match the speed of the ground moving past it, and it is kept minimal by using a very light leg that does not hold much inertia that needs to be fought against.