Sadly there aren't many besides the ARN (you should join). Luckily I had an amazing director that required continued education modules on neuro, bowel & bladder, mobility and so on and so forth throughout my time as a rehab nurse. Honestly, I learned the most from my PT, OT, and SLP. I utilized their techniques and knowledge and rolled it all into my nursing care. Also, it depends on what area of rehab you will be going into. I worked in an acute inpatient rehab which functioned as more of a med-surg/rehab if you will, so we had a variety of diagnoses we dealt with. Besides the ARN a good place to start is ask your Director about the patient population they most often see. Rehab nursing is it's own world, but was one of the most rewarding and I definitely miss it. Best of luck!