Musculoskeletal Injuries, Sports Performance, Sports Specialization, and Quality of Life in Young Athletes

NCT06325228 | Completed

• 2 other identifiers: NKBBN/241/2023SONP/SP/549693/2022
• Study Type: observational
• Target: 373
• Locations: 1 country
• Sites: 1

Brief Summary

The primary aim of this observational cohort study is to assess sports specialization, sports performance, history of injuries (prevalence, types, areas, duration) and quality of life in young healthy athletes aged 8-16 from Poland. Athlete profiles will be created based on the variables (explained in detailed description) examined. Furthermore, the investigators will perform one-year injury follow-up. The main questions it aims to answer are:

• Do athletes with a specific profile (lower values in athletic performance tests, low values in quality of life) evaluated at one time point, suffer injury in the future in annual observation?
• Do athletes with high sports specialization will sustain injury in one-year follow-up?
• Does sports specialization have a relationship with sports performance tests, and quality of life?
• Does sport specialisation, training volume, geographical factor relate to injury history?
• Does sports specialisation, injury history differ between sports (individual and team sports)?
• Does value of the specific muscle (lower limb) isometric strength will be associated with the dynamic balance scores in young healthy athletes?

Conditions

Sport Injury; Healthy; Injury;Sports; Quality of Life

Keywords

Sports specialization; Young Athletes; Injury prevention; Sports performance

Outcome Measures

Primary Outcomes (2)

• Number of Participants with sports injury after one-year follow-up

  Dichotomous assessment (0 = no injury, 1 = injury) based on a telephone interview with the parent/guardian/coach. Conditions to meet: 12 months after the date of examination, and continuity of participation in sports to the date of injury

  One year after the date of examination

• Type, location, duration, and return to sports in participants with injury at one-year follow up

  Assessment based on a telephone interview with the parent/guardian/coach. Questions about: * exact type of injury (acute or chronic, contact or non-contact) * location of injury (anatomic site, e.g. knee) * duration of injury (time-loss, in days) * return to sports (Does the participant return to sport, yes or no)

  One year after the date of examination

Secondary Outcomes (6)

• Sports Specialization

  through study completion, an average of 1 year

• History of sports-related injuries

  through study completion, an average of 1 year

• Health-related quality of life: EQ-5D-Y

  through study completion, an average of 1 year

• Y-Balance Test - dynamic balance test

  through study completion, an average of 1 year

• Functional Movement Screen (FMS)

  through study completion, an average of 1 year

Other Outcomes (5)

• Sport workload (hours per trainings or competition)

  through study completion, an average of 1 year

• Peak Height Velocity

  through study completion, an average of 1 year

• Sports discipline and position

  through study completion, an average of 1 year

Study Arms (1)

Young Athletes

300 young athletes (boys and girls, 9 - 16 years-old) from clubs, teams, associations, sports classes of various disciplines in the Pomeranian Voivodeship

Eligibility Criteria

• Age: 8 Years - 16 Years
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Child (0-17)
• Sampling Method: Non-Probability Sample

Study Population

Young healthy athletes (8-16 years-old) from sports schools, clubs, teams from the territory of the Pomeranian voivodeship, Poland.

You may qualify if:

• Healthy (without injury, pain, or symptoms)
• Participation in sports activities (minimum 6 months)
• Age of 8 to 16 years-old
• Agreement to participation from parent/guardian

You may not qualify if:

• pain or other symptoms related during study
• lower extremity or trunk surgery in the last 6 months
• lack of medical approval for participation in sports games

Sponsors & Collaborators

• Medical University of Gdansk: lead
• Ministry of Science and Higher Education, Poland: collaborator

Study Sites (1)

Department of Immunobiology and Environment Microbiology, Medical University of Gdańsk

Gdansk, 80-211, Poland

Location

Related Publications (5)

• Wilczynski B, Radziminski L, Sobierajska-Rek A, de Tillier K, Bracha J, Zorena K. Biological Maturation Predicts Dynamic Balance and Lower Limb Power in Young Football Players. Biology (Basel). 2022 Aug 3;11(8):1167. doi: 10.3390/biology11081167.

  PMID: 36009793 BACKGROUND

• Wilczynski B, Radziminski L, Sobierajska-Rek A, Zorena K. Association between Selected Screening Tests and Knee Alignment in Single-Leg Tasks among Young Football Players. Int J Environ Res Public Health. 2022 May 31;19(11):6719. doi: 10.3390/ijerph19116719.

  PMID: 35682301 BACKGROUND

• Bruzda R, Wilczynski B, Zorena K. Knee function and quality of life in adolescent soccer players with Osgood Shlatter disease history: a preliminary study. Sci Rep. 2023 Nov 6;13(1):19200. doi: 10.1038/s41598-023-46537-7.

  PMID: 37932373 BACKGROUND

• Wilczynski B, Hinca J, Slezak D, Zorena K. The Relationship between Dynamic Balance and Jumping Tests among Adolescent Amateur Rugby Players. A Preliminary Study. Int J Environ Res Public Health. 2021 Jan 4;18(1):312. doi: 10.3390/ijerph18010312.

  PMID: 33406658 BACKGROUND

• Wilczynski B, Buler J, Buler RL, Grochowski ML, Puchalski B, Zorena K. Strength and balance asymmetries in children and adolescents: comparison between single- and multi-sport participants. BMC Sports Sci Med Rehabil. 2025 Nov 27;17(1):358. doi: 10.1186/s13102-025-01420-y.

  PMID: 41310813 DERIVED

MeSH Terms

Conditions

Athletic Injuries

Condition Hierarchy (Ancestors)

Wounds and Injuries

Study Officials

• Bartosz Wilczyński, phD

  Department of Immunobiology and Environment Microbiology, Medical University of Gdańsk

  PRINCIPAL INVESTIGATOR

Study Design

• Study Type: observational
• Observational Model: COHORT
• Time Perspective: CROSS SECTIONAL
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Principal Investigator

Study Record Dates

• First Submitted: March 10, 2024
• First Posted: March 22, 2024
• Study Start: February 1, 2023
• Primary Completion: December 20, 2025
• Study Completion: December 20, 2025
• Last Updated: December 30, 2025

Record last verified: 2025-12

Data Sharing

• IPD Sharing: Will share
• Shared Documents: STUDY PROTOCOL, CSR
• Time Frame: Immediately following publication. No end date
• Access Criteria: Anyone who wishes to access the data

Locations

PL (1)