Coccyx injuries from rear impacts cause tailbone pain when sitting or standing from a seated position

https://pr.walnutcreekmagazine.com/article/Atlantas-Hurt-911-Injury-Centers-Revolutionizes-Car-Accident-Recovery-with-Doctor-Led-Care-and-Legal-Support?storyId=6827816017bc4f0008d9ab83

Coccyx injuries from rear impacts cause tailbone pain when sitting or standing from a seated position, often requiring cushions and time to heal.