La pression appliquée sur votre cou quand vous regardez votre portable, est la même que si vous aviez un poids de 30 kg sur votre colonne vertébrale.
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C’est pour ça que j’ai mal au dos le soir en rentrant du lycée ? :(
Non. C’est à cause de la mauvaise posture que tu adoptes en cours à cause des chaises pourries. c:
C’est vrai que les chaises ne sont pas aussi confortables que celle de mon bureau :’)
Ma chaise de bureau date de Jérusalem :c