The structure of the upper limbs (the arms) and the lower limbs (the legs) follow a similar pattern. Which of the following statements comparing the limbs is not accurate?

Between the girdle and the wrist/ankle, the lower limbs have more bones.

The radius and ulna bear weight roughly equally, where the tibia bears much more weight than the fibula.

The humerus articulates with both bones of the forearm at the elbow, while the femur only articulates with one bone of the lower leg.

The radius and ulna have less mobility between them than the tibia and fibula.