so, i spoke to ashleyjames from the uk's charter society of physiotherapy to ask if there is anythinge is nothing wrong with sitting up perfectly straight. what we know is there is no right or wrong position to sit in. there are only positions that are held for too long. positions that are held for too lonu. �* . positions that are held for too lonu. �* , ., , positions that are held for too lonu.�* , , positions that are held for too lonu.�* , long. i've seen those posts on social media _ long. i've seen those posts on social media that _ long. i've seen those posts on social media that see - long. i've seen those posts on social media that see if - long. i've seen those posts on social media that see if you i social media that see if you use your phone too much or use it badly in a chair, you are permanently changing the shape of your necks and spine, is that true?— of your necks and spine, is that true? ., ., , that true? yeah, no, there is no good _ that true? yeah, no, there is no good evidence _ that true? yeah, no, there is no good evidence that - that true? yeah, no, there is