Cervical spondylosis is usually an age-related condition that affects the joints in your neck. It develops as a result of the wear and tear of the cartilage and bones are of the cervical spine. While it is largely due to age, it can be caused by other factors as well. Alternative names for it include cervical osteoarthritis and neck arthritis.
Astrologically house number 2 and 3 and its lord would govern neck/shoulder region.
Venus as lord of 2nd natural house.
Planet mercury as ruler of nerves and natural zodiac house number 3.
Saturn/Sun for skeletal and bones.
Mars for muscles and vigor.
Lord of 6th.
Bad transits .
Dushsthana lords 6,8 and 12.