Push-ups can reduce symptoms of arthritis.
They can never reduce bone density, they can only reduce your weight. They cannot increase amount of cholesterol, food does that. Although they can increase back pain, the more pushups you do, the less pain you will feel. So D is the correct answer for sure.
Cervical - this usually pertains to the individual's neck or to the female's cervix.
Thoracic - The thoracic is located on an individual's chest area in which the ribs connects to in order to protect the human's organs.
Lumbar - The lumbar area is located in the lower area of an individual's back
The answer to your question would be “C”