Final answer:
Partial weight bearing allows just touching the floor with the patient's heel to 20-50 percent of the patient's weight on the affected extremity.
Step-by-step explanation:
The weight-bearing category that allows just touching the floor with the patient's heel to 20-50 percent of the patient's weight on the affected extremity is Partial weight bearing. In partial weight bearing, the patient is able to put some weight on the affected extremity but not the full weight. This can be achieved by using assistive devices like crutches or walkers.