Chiropractors, massage therapy, acupuncture, physiotherapy - which is the best treatment for back pain?

All and none. Everything depends what is the cause for pain. If your family doctors rules out serious pathology, i.e. Fracture, cancer, infection, etc., then try acupuncture, pt, chiropractor, depending on your preferences. Stay away from motrin, alive, celebrex, (celecoxib) etc. There is no inflammation with back pain. Use of this type of drugs actually proven to delay healing in spite of "helping"(more like masking) pain.
None. You should see an orthopedic specialist for initial and proper diagnosis and treatment plan. This md can than decide whether your best option is one of the above. Do not go to them first as none of them do diagnosis.
Cause First. See a doctor to find the cause first, before testing therapies.

Related Questions

Is acupuncture or massage therapy more effective for joint and low back pain?

Acupuncture. The cause of your back pain is what will determine what you should do. Both of the approaches you mentioned treat symptoms. You need to find out what is causing your pain. Injury, misuse, over use, congenital. Issues are all possibilities.. Read more...
Both can be. Beneficial. If the back pain was due to muscular problems - then those would both be good options. Acupuncture can often pinpoint care to specific locations. It can also treat an array of conditions beyond muscular issues. Massage and acupuncture can work quite well together. Read more...

Would an irritate nerve cause my neck to seize up? I tried stretching, heat, physical therapy, acupuncture, chiropractors and my neck is still seized

Yes. You are alluding to a pinched nerve as in a herniated disc? This could cause muscle spasms, and from what i understand of your question, seizing of the muscles. Have you seen and MD for an evaluation of the neck and it's nerves? Read more...

What do you think is the best treatment for bad back condition. Acupuncture, physiotherapy. Pt?

Therapy. I believe that after making a diagnosis a physical therapist is best versed to help both alleviate the symptoms which usuallly involve pain and spasm. However, i believe it is just as important to work on increasing flexibility and core strength to prevent reinjury to the affected area. Read more...
See below. In my experience, physical therapy is able to help back pain in the majority of cases. The most common reason for physical therapy to fail in my experience is the failure of the patient to do their "homework" exercises in between therapy sessions as well as to continue with their home exercise program once pt has finished. (physiotherapy and pt are the same thing). Read more...
Combination. Acupuncture can relieve pain and spasm faster than pt, but pt will help with functional recovery. Read more...