[updated] | Feet

[Ape Foot: Grasping] ---> [Evolutionary Transition] ---> [Human Foot: Propulsive] - Opposable big toe - Aligned big toe - Flat, flexible sole - Rigidity & rigid arches

This is a fungal infection that usually begins between the toes. It commonly occurs in people whose feet have become very sweaty while confined within tight-fitting shoes. Symptoms include a scaly red rash, itching, and burning. Proper Foot Care and Maintenance

Even with perfect engineering, are prone to specific issues. Ignoring them can lead to knee, hip, and back pain due to altered gait.

Cut toenails straight across, not curved with the shape of the toe. Curved cuts increase the risk of ingrown toenails, which can become infected and require surgical removal.