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About LLD

What is a Leg Length Discrepancy?

Simply put a Leg Length Discrepancy is a difference in length between the two legs of an individual.

Causes of Leg Length Discrepancy.

There are many causes that can lead to a Leg Length Discrepancy. Some of the most common causes are:

  • Congenital- when one is born with one leg shorter than the other. The discrepancy usually increases slowly over time. 
  • Developmental- when one has a childhood illness or injury to their growth plates. The Leg Length Discrepancy will usually develop overtime as the one limb growth is slowed. 
  • Post Traumatic- Fractures and other traumatic injuries to a leg or hip may cause it to heal incorrectly leaving the injured leg shorter or longer than the other. 
  • Idiopathic- Unknown sometimes the cause of the Leg Length Discrepancy cannot be determined.

Symptoms of Leg Length Discrepancy  

  • An obvious difference in leg length
  • Limping
  • Toe Walking on one side 
  • Bent Knee on one side while standing 
  • Back, Knee, Hip, or Ankle Pain

Who can determine if a Leg Length Discrepancy is present?

Diagnosing a Leg Length Discrepancy can be a difficult task. There are many factors that can cause a Leg Length Discrepancy, or lead to the impression of a Leg Length Discrepancy. Often times it is first realized by the individual or parent. It is also common that a person in the healthcare field (doctor, chiropractor, physical therapist, etc) will also notice it. 

Always consult a professional for help to diagnose if a Leg Length Discrepancy is present. Their experience will be necessary to determine if a lift and the lift amount will accommodate you.

Some detailed articles about Leg Length Discrepancies

Leg Length Discrepancy – Physiopedia (physio-pedia.com)

One leg longer than the other: Diagnosis and treatment (medicalnewstoday.com)

Short Leg Syndrome – Evaluation and Treatment | Foot & Ankle (footankle.com)


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