I have pain in my wrist 7 weeks after a car accidnt, its mainly when i do a pouring movement, ?

Tendonitis : Tendonitis in the base of the thumb, check it out , also we have to find out if you have problem in the bones especially the scaphoid bone.

Wrist pain delayed: after injury can be due to a nondisplaced fracture such as in the scaphoid, where intitial xrays were negative, a cartilage or ligament injury, a avulsion injury on the back of the hand with a tiny fracture, a ligament injury between wrist bones, or just a very bad bruise in bone or in the joint. If pain and swelling are present and the cause is unknown then an evaluation and imaging is needed