A big skeleton means a stronger skeleton, and the tendons attached to it&; Ligaments are stronger. A person with a small skeleton, even if his muscles are large, even if drugs are used, the bearing capacity of bones, joints, tendons and ligaments will limit his final weight.
The size of the skeleton has an influence on the upper limit. The bigger the skeleton means that more muscles can be attached, and the waist-shoulder ratio will be more ideal. It's part of the gift. However, if you are just an ordinary fan, there is no need to take it too seriously. As long as you train hard, do a good job in basic diet, have enough rest, and constantly pursue better yourself.