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NCT Number: NCT07432412

Functional Effects of Postoperative Physiotherapy After Cosmetic Femoral Lengthening (LON-PT)

This study aims to understand how an early postoperative conventional physiotherapy program affects daily movement and physical function in adults who undergo cosmetic femoral lengthening surgery using the Lengthening Over Nail (LON) technique.

Participants aged between 18 and 45 years who have this surgery will take part in a structured physiotherapy program. The study will examine changes in physical function, pain, walking ability, and independence before surgery, during recovery, and after removal of the external fixator.

The results of this study may help improve rehabilitation planning after cosmetic femoral lengthening surgery.

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Key information

Conditions

Healthy

Age range

18 year–45 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Istanbul Aydin University

Istanbul, Kucukcekmece, 34295, Turkey (Türkiye)

About this study

This interventional study will evaluate the effects of an early postoperative conventional physiotherapy program in individuals who undergo cosmetic femoral lengthening surgery using the Lengthening Over Nail (LON) technique.

A total of 54 healthy adults aged between 18 and 45 years will be included. Participants will be assessed at three time points: before surgery, at the eighth postoperative week, and one week after removal of the external fixator.

Following surgery, participants will be monitored in the hospital for one week. After discharge, they will receive a standardized conventional physiotherapy program five days per week for a total of thirteen weeks. The program will include joint mobilization exercises, muscle stretching and strengthening exercises, neuromuscular electrical stimulation, gait training with assistive devices, and functional exercise training.

Outcome measures will include functional capacity, pain intensity, functional mobility, and functional independence. Data will be analyzed using appropriate statistical methods to evaluate changes over time.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Adults aged between 18 and 45 years.
  • Individuals who have undergone cosmetic femoral lengthening surgery using the Lengthening Over Nail (LON) technique.
  • Participants who are able to attend and comply with the planned postoperative conventional physiotherapy program.
  • Individuals who have provided written informed consent.

Exclusion criteria

  • -Presence of neuromuscular diseases (e.g., cerebral palsy, muscular dystrophy).
  • History of lower extremity surgery other than the femoral lengthening procedure.
  • Advanced contractures, deformities, or osteoarthritis of the hip or knee joint.
  • Severe psychiatric disorders or cognitive impairment preventing cooperation with the study procedures.

Treatment and study plan

Conventional physiotherapy program

Behavioral

The planned rehabilitation program included active and passive joint mobilization, quadriceps and hamstring stretching, isometric strengthening, NMES, cryotherapy, assistive-device-supported ambulation training, elastic-band resistance exercises, and modified apparatus-based Pilates, supervised by a physiotherapist five days per week for 13 weeks. In actual implementation, structured rehabilitation began on postoperative day 7. Daily cryotherapy during postoperative days 0-6 was routine inpatient care and was not part of the study rehabilitation program. Cryotherapy was applied at every supervised session during rehabilitation weeks 1-4 and thereafter only when edema persisted. Superficial thermotherapy was used as supportive physiotherapy when clinically indicated for muscle tightness or stiffness before stretching or mobilization; it was not provided to every participant or at every session.

Primary outcomes

  1. Functional Capacity Assessed by the 30-Second Chair Stand Test

    Time frame: Preoperative baseline, postoperative 8th week, and 1 week after removal of the external fixator

    The 30-Second Chair Stand Test is used to assess lower extremity functional strength and overall functional capacity. Participants are instructed to stand up and sit down from a standard chair as many times as possible within 30 seconds. A higher number of repetitions indicates better functional capacity.

Secondary outcomes

  1. Functional Mobility Assessed by the Timed Up and Go Test

    Time frame: Preoperative baseline, postoperative 8th week, and 1 week after removal of the external fixator

    The Timed Up and Go Test is used to assess functional mobility and dynamic balance. Participants are instructed to stand up from a chair, walk three meters, turn around, walk back, and sit down. Shorter completion times indicate better functional mobility.

Sponsors and collaborators

Lead sponsor

FATMA ÇAVDARCI

Other

Registry information

Official study title

Functional Effects of Postoperative Conventional Physiotherapy Following Cosmetic Femoral Lengthening Using the Lengthening Over Nail (LON) Technique

Acronym: LON-PT

Important dates

Study start
2026
Primary completion
2026
Study completion
2026
First posted
Feb 25, 2026
Registry last updated
Jul 28, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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