Usually, ankylosing spondylitis (AS) starts in the lower spine, but it can also affect the upper spine and neck. For some, the neck is where AS symptoms begin, which may cause stiffness and pain.
Source: Medical News Today
Usually, ankylosing spondylitis (AS) starts in the lower spine, but it can also affect the upper spine and neck. For some, the neck is where AS symptoms begin, which may cause stiffness and pain.
Source: Medical News Today