Improper footwear is the primary cause of foot deformities, lower back fatigue, friction injuries, and chronic inflammatory pain and disability. Every day, our feet absorb up to four times our body weight in impact forces with every stride, and bear hundreds of tons of cumulative pressure, as primary shock absorbers, stabilizers, and foundation for the entire skeletal system. Yet, an astonishing three out of four people are wearing high heeled, pointed ended shoes with restricted space within, and hard, stiff, flat soles, that alter natural foot mechanics, forcing the body to adapt by building up protective tissue (Corns and Calluses), shifting bone structures (Bunion), or inflaming ligaments (Plantar Fasciitis). Our shoes are not just fashion pieces; they dictate our posture, gait, and joint longevity. To be pain-free, we must look past the aesthetics, otherwise halfway through our workday or an evening out, a throbbing ache will creep up from the bottom of our feet, through our calves, up into our lower back.
STRUCTURAL DEFORMITIES DUE TO ILLFITTING SHOES
Wearing tight, ill-fitting shoes leads to the collapse of the foot arch, the natural spring of our foot, producing the following deformities:
•Flat Foot (pes planus): When our foot arches collapse in a tight shoe, the entire sole flattens. The ankle and foot roll drastically inward with every single step, forcing the tibia (shin bone) and femur (thigh bone) to rotate internally, which pulls the knees out of alignment, tilts the pelvis, and strains the lower lumbar spine. It may cause aching or soreness in the foot, heel, or inside of the ankle, puffiness along the inner side of the ankle, chronic knee pain or lower back stiffness. Relief requires an arch support-slip orthotic insoles inside your shoes or use “stability” or “motion-control” footwear that have a high-density, rigid foam or plastic, embedded along the inner edge of the midsole, that stops the foot from rolling inward. Avoid flimsy flipflops, standard flats, and soft canvas sneakers that offer zero structural support.
•Bunions (Hallux Valgus): A collapsed flat foot and pointed shoes, deform the big toe joint towards the other toes. This triggers severe end-of-day pain. Relief requires a firm midsole arch support, alongside a toe separator to temporarily realign the joint and extra-wide or square toe box shoes. Avoid high heels and pointed shoes.
•Metatarsalgia, Hammertoes and Claw Toes: Longitudinal compression (up to 80% of body weight) of the toes due to high heels or a short shoe, inflames the joints and nerves in the forefoot (Metatarsalgia), forces longer second toe to bend down and resemble a small hammer, and toes to buckle upward and curl into a rigid claw shape. The chronic, burning ache in the forefoot due to these problems require shoes with high vertical depth in the toe box and soft, seamless uppers.
•Plantar Fasciitis: It is an inflammation and microtearing of the thick band of tissue across the bottom of our foot that connects our heel bone to our toes, and absorbs the impact of walking or running. It causes a sharp, stabbing pain in the heel, typically during the first steps in the morning. The pain, stiffness or ache along the bottom arch of the foot may return after long periods of standing or sitting. It is triggered by overuse of the tissue from running, jumping, or sudden over activity using improper flat footwear lacking arch support. For relief, reduce high-impact activities and roll your foot gently over a cold bottle or ball, perform gentle calf stretches and foot stretches before taking your first steps in the morning. Wear shoes with rigid midsoles, firm arch support and cushioned shock-absorbing heel capsule, or add silicone heel cups or cushioned insoles inside your shoes. Avoid hard, rigid leather soles, worn-out bottoms, or walking completely barefoot, even at home on a hard floor.
•Corns: Narrow footwear, stiff internal shoe seams, or tight socks cause small circles of hardened skin with a distinct, painful central core. Wear well-fitting, cushioned shoes and use protective pads or use Microcellular Rubber (MCR) footwear.
•Calluses (Callosities): Repeated rubbing in hard unyielding soles, or high heels cause painless flat patches of thickened skin on weight-bearing areas like the heel or the ball of the foot. Soak the area in warm water and gently use a pumice stone to remove dead skin.
THE SHORT STATURE DILEMMA
While both high heels and platform shoes add height, they alter your biomechanics and posture in vastly different ways:
•High Heels (The Biomechanical Trap): Traditional high heels push your centre of gravity forward, forcing your ankles, knees, and lower back out of alignment. They place up to 90% of your body weight directly onto the balls of your feet, creating severe pressure points. Limit wear to under 2–3 hours, stick to a maximum heel height of 1.5 to 2 inches, and choose a chunky block heel over a stiletto to increase the contact area.
•Platform Shoes (The Stability Trap): Platforms keep the foot relatively flat, reducing forefoot pressure. However, their ultra-rigid soles prevent the natural flexing and rolling of the foot during your stride. This stiffness significantly increases the risk of severe ankle sprains and rolling. Instead choose “flatforms” with a slight, built-in flexibility, allowing the sole to bend slightly at the toe joint, not the middle arch.
•Monochromatic configurations (matching shoe colour to trousers) and lowvamp designs that expose a large portion of the top of the foot, visually elongate the leg safely.
LARGE & HIGH-VOLUME FEET
Individuals with larger feet should prioritize Blucher (open-lacing) systems that allow the shoe’s throat to expand widely, over Oxford (closed-lacing) constructions. Many adults rely on a size number they were assigned in their late teens, forgetting that gravity, weight changes, and aging cause the feet to naturally flatten and elongate over time. To ensure optimal health, you must measure your feet accurately at home using a standardized system.
EXTREME PROTECTION AND SAFETY FOOTWEAR
When entering industrial, or hazardous environments, footwear operates as Personal Protective Equipment (PPE).
•Chemical-Resistant & Acid Proof Footwear: Corrosive industrial chemicals, acids, and petroleumbased solvents instantly dissolve standard rubber and nylon glues. The entire shoe must be seamlessly moulded from high-grade Nitrile Rubber or Polyvinyl Chloride (PVC) compounds with no exposed threads.
•Waterproof & Snow proof Boots: True snow proofing requires a three-layer system: an outer layer of hydrophobic leather, an internal waterproof-breathable membrane (like Gore-Tex) to let sweat escape while blocking water, and thick synthetic insulation (like Thinsulate).
•Tactical & Security Footwear: Security personnel face long hours of static standing interspersed with explosive sprints. They require a puncture-resistant composite or Kevlar midsole shank to stop sharp objects from piercing the sole, paired with non-metallic composite safety toes that protect the joints without tripping metal detectors.
•Diabetic foot wear: Peripheral neuropathy in diabetes damages the nerves in the feet, and peripheral arterial disease restricts blood flow, leaving the foot vulnerable to injuries that get infected and may need amputation. Microcellular Rubber (MCR) bottom, a custom designed fully enclosed ultra-soft genuine leather or stretchable medical-grade neoprene top with adjustable Velcro straps, and a seamless interior lining are essential for diabetics and others with deformed or numb feet.
•Moulded Orthopaedic EVA Slide (Chappal): In many cultures, the flat, loose “Hawaii slipper” (flipflop) is an everyday footwear at home, and on wet areas. It is deeply damaging to a compromised foot, and is very slippery on wet flat surfaces due to lack of active water channels. Moulded Orthopaedic EVA Slide has a broad horizontal top band and a moulded arch support, preventing the flat foot from collapsing inward, eliminates the toeclawing reflex, and retains a clean, formal profile both at home and outside.
THE GOLDEN RULES OF FOOTWEAR SELECTION
•Measurement: Put your foot with socks on a large blank sheet of paper, and holding a pencil perpendicular to the floor, trace the outline of your foot. Measure the longest and widest parts of the outline in centimetres, and repeat this for the other foot and use the size of the larger foot when buying footwear. As UK, USA, and Europe sizes vary, use the centimetre chart instead.
•The Late-Day Rule: Always shop for shoes at the end of the day when feet are naturally swollen to their largest volume.
· The Standing Test: Always stand-up during measurement and trial to let the foot spread naturally under full body weight. There must be a 3/8” to 1/2” gap (a thumb’s width) between the longest toe and the front tip of the shoe.
•The Twist & Flex Test: A supportive shoe should bend easily only at the ball of the foot where the toes naturally flex. If you can easily twist the entire midarch or wring the shoe like a wet towel, it lacks the foundational stability required for structural protection.
Strategic footwear modifications, specialty shoes, and mindful shopping habits (correct choice of top and sole material and design) can entirely reverse or manage foot problems, while providing safety and comfort.
Dr. P.S.Venkatesh Rao is a Consultant Surgeon, Former Faculty CMC (Vellore), AIIMS (New Delhi), and a polymath in Bengaluru, drpsvrao.com
