Everything is connected...

The strength of the neck determines how heavy a crown the head can carry. The strength of the neck depends on the sturdiness of the shoulders. The sturdiness of the shoulders relies on the fortitude of the core body. The fortitude of the core body depends on the composure of the hips. The composure of the hips is influenced by the steadiness of the knees and legs. the feet carry all their weight, crown included. And under the feet spreads the Earth... Nothing depends on just one factor.
Everything is connected.