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¿Por qué crujen los dedos cuando los estiramos/doblamos? 💥 Dentro de las articulaciones hay un líquido que lubrica y amortigua los movimientos. Cuando estiramos o doblamos un dedo rápido, la presión dentro de la articulación baja de golpe, y eso hace que se forme una burbuja de gas en ese líquido. El sonido que oyes es la formación o el colapso de esa burbuja . Por eso no puedes volver a crujirlos enseguida: tienes qu...
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