- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT03128814
The Degree, Development and Interrelationship of Structural and Functional Asymmetry in (Pre)Adolescent Elite Tennis Players (AsymTen)
The Degree, Development and Interrelationship of Structural and Functional Asymmetry in (Pre)Adolescent Elite Tennis Players: A Prospective Cohort Study With a Link to Growth and Maturation, Technical Skill Performance and Whole Body Injury
Studieoversigt
Status
Betingelser
Undersøgelsestype
Tilmelding (Forventet)
Kontakter og lokationer
Studiesteder
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Brussels, Belgien, 1050
- Physical Education and Physical Therapy
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Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Prøveudtagningsmetode
Studiebefolkning
Beskrivelse
Inclusion Criteria:
- Being enrolled in a Belgian high-performance tennis academy
Exclusion Criteria:
- Injury at the start of the data collection, any known musculoskeletal abnormality, developmental disorder or metabolic disease.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Kohorter og interventioner
Gruppe / kohorte |
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Alders- og kønsmatchede kontroller
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Elite (pre)adolescent tennis players
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Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
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Anthropometry
Tidsramme: September 2017 - December 2020
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Stature (cm) Sitting height (cm) Upper- and lower extremity length (cm) body weight (kg) Body Mass Index (kg/m²) Age at Peak height Velocity (years) Skeletal muscle mass (kg) These values will be determined every two months during a maximum period of three years, expressed as mean and standard deviation and will be used to develop growth charts and velocity curves. |
September 2017 - December 2020
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Body composition
Tidsramme: September 2017 - December 2020
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Dual X-Ray Absorptiometry
Circumferences - upper and lower arm, thigh and calf (in cm) Ultrasound - Muscle thickness ((in mm) of M. Biceps, M. Triceps, M. Rectus Abdominis, Quadriceps and Hamstrings) Bioelectric impedance
These outcome measures will be determined on both the dominant and the non-dominant extremity/side every six months during a maximum period of three years. The side-to-side difference will be calculated using the symmetry index (see outcome measure 4). Every outcome measure described above will be expressed as mean and standard deviation for both the dominant and non-dominant extremity/side |
September 2017 - December 2020
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Functional test battery
Tidsramme: September 2017 - December 2020
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Strength and Power:
Speed and Agility:
Balance and Flexibility:
Motor control and Coordination:
Locomotion pattern: - Ground Reaction Forces (force in N) Every test will be performed unilaterally for both the dominant and non-dominant extremity/side every six months during a maximum period of three years. The side-to-side difference will be calculated using the symmetry index (see outcome measure 4). The mean (plus standard deviation) of every test (dominant and non-dominant test score) will be reported |
September 2017 - December 2020
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Structural and functional asymmetry index
Tidsramme: September 2017 - December 2020
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Side-to-side difference (i.e. dominant vs non-dominant extremity/side) will be calculated and expressed as a percentage (extremity symmetry index (%)) for the outcome measures described above (anthropometry, body composition and functional test battery) using following formula: ((measure dominant extremity/measure non-dominant extremity)-1) x 100 |
September 2017 - December 2020
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Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
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Injury incidence
Tidsramme: September 2017 - December 2020
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Injury incidence in young elite tennis players (patterns and occurence) will be recorded and reported continuously for a maximum period of three years.
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September 2017 - December 2020
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Technical tennis skills performance
Tidsramme: September 2017 - December 2020
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technical skill of young elite tennis players. - Technical skill performance will be examined by means of video analysis once a year and scored by an independent expert panel. Mean technical ability will be reported. Tennis specific performance: - Tennis players will perform the Dutch Technical-Tactical Tennis Test (D4T) once a year. The mean test score will be reported. |
September 2017 - December 2020
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Samarbejdspartnere og efterforskere
Sponsor
Efterforskere
- Studieleder: Eva D'Hondt, PhD, Vrije Universiteit Brussel
- Studieleder: Peter Clarys, PhD, Vrije Universiteit Brussel
Datoer for undersøgelser
Studer store datoer
Studiestart (Forventet)
Primær færdiggørelse (Forventet)
Studieafslutning (Forventet)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Andre undersøgelses-id-numre
- Asymmetry in tennis
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
IPD-planbeskrivelse
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
Studerer et amerikansk FDA-reguleret lægemiddelprodukt
Studerer et amerikansk FDA-reguleret enhedsprodukt
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