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Completed

NCT Number: NCT06318325

Growth Process and Development of the Musculoskeletal System in Young Gymnasts

assessment of the musculoskeletal system will be performed twice a year, for three years of young gymnasts.

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Key information

Conditions

Development, Adolescent

Age range

9 year–16 year

Sex eligibility

Female

Study type

Observational

Primary location

The Academic college Levinsky-Wingate at the Wingate Institute

Netanya, Israel

About this study

Aims: To examine the changes in the anatomical and morphological features in the skeleton of young female artistic and rhythmic gymnasts and follow the risk of injuries during the period of pubertal growth.

Methods: 200 gymnasts (100 rhythmic and 100 artistic) will participate. Measurements will be performed at the beginning and the end of each year, for three years. Each gymnast will be examined for the following: asked about her menarche, assessed by a physician for Tanner stages, and will answer the Triad-specific self-report questionnaire. Anthropometric measurements (height, weight, BMI), muscle strength (using hand-held dynamometer), joint range of motion (using goniometer), scoliosis, and Beighton test for hypermobility will be assessed. In addition, the gymnasts will be scanned by using three different ultrasounds: Bone age for the skeletal age, SOS for the bone properties, and ultrasound tissue characterization for the tendon structure. The gymnasts will be asked about their physical training history, frequency, and training intensity. Each gymnast will be asked whether she had pain or injuries during the period she has been training, as well as a physical and injuries evaluation that will be conducted by a physician.

Once a month a telephone follow-up with the trainer regarding any pain or injuries in the last month will be conducted.

Who can participate

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

Inclusion criteria

  • training at least 4 times per week,
  • a minimum of 16 hours per week, at a competitive level.
  • The gymnasts exercised fully three months before the beginning of the study
  • have not been absent more than three days from training due to pain, discomfort, or injury.

Exclusion criteria

  • present injury causing pain
  • missing training.

Treatment and study plan

examination

Diagnostic Test

examination of tendon, muscle joints and injuries

Primary outcomes

  1. ultrasound tissue characterized

    Time frame: baseline, twice a year for 3 years

    percentage of type 1,2,3,4 fibers within the tendon

  2. muscle strength test

    Time frame: baseline, twice a year for 3 years

    hand held dynamometer assessment of ankle, knee and hip muscles

  3. range of motion

    Time frame: baseline, twice a year for 3 years

    goniometer assessment for lower extremities joints

  4. bone strength

    Time frame: baseline, twice a year for 3 years

    tibia bone strength assessment using Sunlight MiniOmni Ultrasound Bone Sonometer

  5. Bone Age

    Time frame: baseline, twice a year for 3 years

    bone age of the radius bone using ultrasound for bone age

Sponsors and collaborators

Lead sponsor

University of Haifa

Other

Collaborators

  • The Academic college Levinsky-Wingate at the Wingate Institute, Netanya, Israel

Registry information

Official study title

Growth Process and Development of Muscle, Bone, and Tendon in Correlation With Injuries in Young Gymnasts During Adolescence

Important dates

Study start
2024
Primary completion
2025
Study completion
2025
First posted
Mar 19, 2024
Registry last updated
Jan 26, 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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