AFTER SITTING ON A HARD KITCHEN CHAIR WHEN I WENT TO GET UP MY TAILBONE WAS HURTING, CONTINUED TO HURT THROUGHOUT NIGHT AND STILL TODAY. COULD IT BE A PULLED MUSCLE OR PINCHEDNERVE. i WAS SITTING IN AN AWKWARD POSITION WHILE HELPING MY SON WITH HIS HOMEWORK
Hi, It seems that you are having coccydynia, always sit on a soft surface, give hot fomentation or site bath, take over the counter anti-inflammatory, if not relieved by these measures get in depose Chat Doctor.  Hope I have answered your question. Let me know if I can assist you further.