Please choose the correct ending to complete the given sentence: Health: [header] How to know if you have spondylosis [title] Look for neck and back pain. [step] Spondylosis often has no symptoms. However, if it does produce symptoms, pain along the neck and spine is one of the most common.

Ending1: [substeps] Keep your neck and back straight; if your neck is sore it means that you have spondylosis. If it is described as being sore and swollen, then you may have spondylosis. Ending2: The pain may only appear on the shoulders or pinched areas on the forearms or beneath the elbow. [substeps] Neck and back pain includes discomfort when you make a fist and your fingers tense. Ending3: The pain should be mild, usually not unbearable. [substeps] To detect if you have spondylosis, but do not be suspicious of it, look out for joint issues or other discomfort. Ending4: This pain is the result of the spinal discs dehydrating and creating friction between the vertebral bones and/or pressure on the nerves. The pain in your back or neck pain may also radiate to your limbs.

Answer format: ending1/ending2/ending3/ending4