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Updated: Aug 9, 2026

Evaluating the Function of the Foot Core System in the Elderly
Published on: March 11, 2022
["In-toeing and out-toeing"]
Franck Accadbled1, Jean-Philippe Cahuzac
1Unité d'Orthopédie Pédiatrique, Hôpital des Enfants, Toulouse.
Insights
In-toeing and out-toeing are common pediatric orthopedic consultations caused by femoral and tibial torsion abnormalities. These conditions often resolve spontaneously during growth, with surgery reserved for persistent functional symptoms post-growth.
Area of Science:
- Pediatric Orthopedics
- Biomechanics
- Developmental Anatomy
Context:
- Rotational abnormalities of the lower limbs, commonly termed 'in-toeing' or 'out-toeing', are frequent reasons for pediatric orthopedic consultations.
- These conditions arise from variations in femoral detorsion and lateral tibial torsion during a child's growth period.
Purpose:
- To explain the etiology and diagnostic methods for lower limb rotational abnormalities in children.
- To discuss the natural progression of these anomalies during growth and the lack of evidence for preventive treatments.
- To outline the indications for surgical intervention in cases of persistent functional symptoms.
Summary:
- Femoral and tibial torsion anomalies lead to in-toeing or out-toeing, affecting children from birth through growth.
- Diagnosis involves analyzing knee-foot alignment during gait and measuring femoral and tibial torsion.
- While these anomalies can fluctuate spontaneously, surgical derotation osteotomies are considered only for persistent functional issues after growth cessation.
Impact:
- Provides clarity on the natural history and management of common pediatric lower limb rotational issues.
- Informs parents and clinicians about the typical progression and the limited role of early intervention.
- Highlights the criteria for surgical consideration, emphasizing functional deficits post-growth.
Abstract:
From birth to the end of growth, a femoral detorsion associated with a lateral tibial torsion can be observed. The absence or the exaggeration of this phenomenon leads to rotational abnormalities of the lower limbs called by parents as " in-toeing or out-toeing ". This represents one of the most frequent motives for consultation in pediatric orthopedics. The analysis of the respective position of knees and feet during walking and the measurements of femoral and tibial torsion allow the diagnosis of rotational abnormalities. During growth, the degree of these anomalies may increase or decrease spontaneously. As there is no evidence of a relationship between rotational abnormalities and arthritis, there are no preventive orthopaedic or surgical treatments. However, at the end of the growth, the persistence of functional symptoms leads to femoral or tibial derotation osteotomies.
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