Movement The arrangement of bones is very important in this function. Each of Chloe's littie hands at birth contained 14 phalanges, so she could grasp Maria's finger. She would not be able to grasp anything if her fingers did not have multiple bones and joints Chloe's spine would be nice and straight if it were a single bone, but her adult spinal column will have 26 bones. The joint between each bone allows slight motion. Added together, the motions of all the joints between vertebrae will allow Chloe to touch her toes when standing