There are numerous symptoms of neck and low back problems. Every single person is different because of lifestyle, posture and the underlying affect of pain.
Low back trouble and neck trouble are as common as each other and as you are aware can cause a lot of suffering, distress, days off work, it's always there, it never goes away, you have good/bad days, you cannot get out of be some days and can't do the sporting activities you used to be able to do.
The nerves on the illustration refer pain. Early assessment, advice and treatment is the most suitable approach to relieving symptoms. You should always be aware that neck pain and back pain can receive physiotherapy to gain relief, recovery or management of the problem.
The spine is a very complex structure but thankfully through years of research from different countries such as Australia, New Zealand, Germany, the US and the UK. From observing the back and neck, clinically assessing, statistics, evaluation, cadavers etc. Every symptom, every problem can be identified.
James Cyriax an orthopaedic surgeon who was based in St. Thomas hospital in London was one of the pioneers of working out why the human being damages their back. All the symptoms and pain, pins and needles, numbness, weakness and why patients are unable to walk. He worked out how to treat all these types of symptoms.
He began the society of orthopaedic medicine which has many members in Great Britain and all over the world that are doctors and physiotherapists.
Robin McKenzie a physiotherapist form New Zealand worked out exercise techniques for the neck and back. These techniques are instructed to patients in physiotherapy departments and practices in great Britain and all over the world. The McKenzie technique is based on self help and excercise.