English would just say I broke my leg , without a reflexive pronoun.
Verb + se (e.g., lavarse , peinarse , levantarse ) verbo reflexivo
To conjugate these verbs, you must use a reflexive pronoun that matches the subject. These pronouns are: : me (myself) Tú : te (yourself) Él/Ella/Usted : se (himself/herself/itself) Nosotros/as : nos (ourselves) Vosotros/as : os (yourselves) Ellos/Ellas/Ustedes : se (themselves/yourselves) Conjugation Steps English would just say I broke my leg