Final answer:
The most common deformity after a talus neck fracture is clubfoot, also known as talipes equinovarus. Clubfoot is a congenital disorder where the foot and ankle are twisted inward at a sharp angle. It affects about 1 out of every 1,000 births.
Step-by-step explanation:
After a talus neck fracture, the most common deformity is known as talipes equinovarus, or clubfoot. Clubfoot is a congenital (present at birth) disorder where the foot and ankle are twisted inward at a sharp angle. It affects the foot and ankle, causing the foot to be twisted inward like the head of a golf club. Clubfoot has a frequency of about 1 out of every 1,000 births.