What is Flat Feet?

Flat feet is a term often used to describe feet that are hypermobile or roll in excessively. When your feet “roll in” excessively during stance, this gives the appearance that there is a loss of arch contour of the foot. This however is a misnomer… most feet when studied in the sitting position have an arch. Only during weight bearing do they collapse, hence these feet are said to be compensating for a particular condition and are displaying a movement called Pronation – they are not really flat at all. The arch is present but, it collapses during weight bearing.

What causes Flat Feet?

There are many causes of abnormal pronation, the most common being:

  • Hypermobility is one of the most common causes. This is present in approximately 10% of the population.
  • Hereditary bony or soft tissue conditions within the foot that disrupt normal walking patterns. This causes the foot to “unlock” allowing the arch to fall closer to the ground.
  • Abnormal muscle length
  • Abnormal leg rotations
  • Poor pelvic alignment causing leg length difference
  • Spinal conditions (e.g. Scoliosis)
  •  Muscle spasticity (e.g. Cerebral Palsy)

The result of pronation can vary from patient to patient but it should be noted that this abnormal force on the body is a major contributor of a myriad of bony and soft tissue problems; often leading to pain!

When flat feet or pronation forces become excessive, symptoms can occur in the:

  • Feet (e.g. bunions, hammer toes, corns, calluses)
  • Heels (e.g. plantar fasciitis, heel spurs and heel pain)
  • Shins (e.g. shin splints)
  • Knees (e.g. patellofemoral syndrome, chondromalacia or runners knee)
  •  Thighs (e.g. Iliotibial band syndrome)
  • Hips (e.g. greater trochanter bursitis)
  • Upper and lower back (e.g. sciatica, disc protrusion)
  •  Neck and head secondary to poor postural alignment which can occur with kyphosis.

How to treat Flat Feet?

Your Podiatrist will carry out a detailed biomechanical assessment of your feet, legs, knees and hips to identify the cause.

An analysis of your walking pattern is performed to asses the affect on your gait. Your Podiatrist will then discuss with you’re your treatment options which will most likely include a pair of orthotic appliances to control any abnormal forces causing any associated foot pain or other symptoms.

A computerised scan is taken of your feet and a detailed prescription is drawn up for you from which a pair of orthotics can be made. A prescription orthotic device is then produced which fits inside your footwear.

Obviously different conditions will require specific therapy. This may involve exercises, mobilisation, manipulation, massage, footwear advice, dry needling or radial shock wave therapy. All of these options will be discussed with your Podiatrist if they feel you require this treatment.

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