Yes — poor footwear is a clinically recognised cause of knee pain. The foot is the foundation of the kinetic chain. When foot mechanics are compromised by unsupportive footwear, the altered forces travel through the ankle and tibia to directly affect load distribution in the knee. This is particularly relevant for the medial (inner) compartment of the knee, where most degenerative knee conditions develop.

The Foot-Knee Kinetic Chain

When the foot overpronates (rolls inward), the tibia internally rotates. Internal tibial rotation causes the patella (kneecap) to track medially and increases valgus stress on the medial knee compartment. Over time, this chronic loading pattern contributes to patellofemoral pain syndrome, medial collateral ligament stress, and medial compartment osteoarthritis.

Specific Footwear Problems That Drive Knee Pain

Flat, unsupportive soles allow maximum overpronation. Worn-out footwear loses cushioning and support within 6-12 months. High heels shift weight forward onto the forefoot, altering knee flexion angle. Excessively flexible soles provide no torsional stability, allowing the midfoot to collapse.

The Evidence Base

Multiple clinical studies have demonstrated that foot orthoses reducing overpronation significantly reduce medial knee pain in patients with knee osteoarthritis. Reducing tibial internal rotation by 2-3 degrees reduces medial compartment knee load by a clinically meaningful amount. A 2020 systematic review in the Journal of Orthopaedic and Sports Physical Therapy found foot orthoses combined with appropriate footwear effective for patellofemoral pain.

When Knee Pain May Be Foot-Driven

Consider a foot-origin contribution if: you have flat feet or excessive pronation, your knee pain worsens in flat footwear, you have medial (inner) knee pain, or the pain developed following a change in footwear or activity surface.

Frequently Asked Questions

Can changing my footwear fix knee pain?
Footwear changes can significantly reduce knee pain driven by overpronation — often within 4 to 8 weeks. However, if knee pain is severe, involves significant swelling, or does not respond to footwear changes, seek assessment from a chiropractor, physiotherapist, or orthopaedic specialist.

How does overpronation damage the knee?
Overpronation causes internal tibial rotation with each step, increasing valgus stress on the medial knee compartment and causing the kneecap to track incorrectly. Over years, this contributes to cartilage wear and knee osteoarthritis.

Article reviewed by Dr. Angus Poh, Chiropractor, BP Chiro. Published by OZHealth by Trimax Healthcare Sdn Bhd.