Muscles move by Contracting and Relaxing the body parts. Muscles Pulls the bone But They can't push them back to their original situation so Muscles perform in pairs of Flexors and Extensors in which Flexors Contract to bend a limb and joints after successful movement of bone flexor relax and extensor contract to back in their position.
Muscles Helps in keeping bone in their place. With regard to the movement the relationship between muscles and bones are Muscle assist the movement by contracting and pulling on the bones.
For Movement Different bones are connected by joints that are connected to other bones and muscle fibers through Tendons And ligaments.
Therefore the Answer is Muscle Moves the bone by Contracting and Relaxation process and the relationship between Bone and muscle with regard to the movement is muscle performs assistance to movement of bones