Functional recovery of daily living and sports activities after cosmetic bilateral tibia lengthening

  • Kun-Bo Park
  • Yoon Hae Kwak
  • Jung Woo Lee
  • Byoung Kyu Park
  • Hoon Park
  • Dong Hoon LeeEmail author
Original Paper



The aims of this study were to evaluate the recovery of physical function and to investigate whether there are factors that adversely affect functional recovery after cosmetic bilateral lengthening of the tibia.


One hundred twenty-five healthy individuals who had undergone bilateral cosmetic tibia lengthening by the lengthening and then nail (LATN) method, lengthening over intramedullary nail (LON) method or intramedullary skeletal kinetic distractor (ISKD) were included in the study. Functional outcomes were evaluated using the Sports Activity Rating Scale (SARS), International Knee Documentation Committee (IKDC) Subjective Knee Form and patient self-reported ability scores.


SARS and IKDC scores decreased at post-operative one year and improved significantly at post-operative two years. SARS and IKDC scores recovered similarly to pre-operative levels. Average patient self-reported ability scores at post-operative two years were 94.6 and 89.9 for daily living and light sports, respectively. However, the average score for moderate-to-strenuous sports was 68.1 and 39 patients (31.2%) recorded below average score for the moderate-to-strenuous sports.


Patients who had undergone bilateral cosmetic tibial lengthening may expect almost full recovery of daily and light sports activities at post-operativetwo years. However, several patients may feel some limitation in moderate-to-strenuous sports activities.


Bone lengthening Tibia Recovery of function Activities of daily living Sports 


Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

The study was approved by the institutional review board at our institution (4-2015-0722).

Informed consent

Informed consent was obtained from all individual participants included in the study.

Supplementary material

264_2018_4159_MOESM1_ESM.pdf (106 kb)
ESM 1 (PDF 105 kb)
264_2018_4159_MOESM2_ESM.pdf (100 kb)
ESM 2 (PDF 100 kb)
264_2018_4159_MOESM3_ESM.pdf (21 kb)
ESM 3 (PDF 21 kb)


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Copyright information

© SICOT aisbl 2018

Authors and Affiliations

  1. 1.Division of Orthopedic Surgery, Severance Children’s HospitalYonsei University College of MedicineSeoulSouth Korea
  2. 2.Department of Orthopaedic Surgery, Hallym Sacred Heart HospitalHallym University College of MedicineAnyangSouth Korea

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