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The large four-part extensor muscle at the front of the thigh.

quad′ri·cip′i·tal (-sĭp′ĭ-tl) adj.
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2]) a nivel quadricipital, sin cambios en el resto de datos analizados (% grasa abdominal, peso graso, peso magro, agua corporal total).
It was summarised that the vertical groove or quadricipital groove was present in all the seventy tibiae.