Foot pain or discomfort can appear suddenly or develop gradually, but it almost always has an underlying cause. Understanding   why   a problem started is the first step toward effective treatment. At Whitby Family Footcare Clinic, assessments focus on identifying which structures of the   foot and lower leg   are involved bones, joints, tendons, ligaments, nerves, skin, or nails and how they are functioning together. This anatomy‑based approach helps pinpoint the true source of your symptoms. Person rubbing the front of their painful foot Common Reasons Foot Problems Develop Most foot issues arise when one or more tissues become irritated, strained, or overloaded. The most frequent contributors include: Mechanical stress or overuse  — walking, standing, running, or repetitive movements can overload structures like the plantar fascia, Achilles tendon, or forefoot joints. Footwear that doesn’t match your foot type or activity  — shoes that are too tig...