Reliability and Concordance of 15-metre (15-m) Sprint Performance on Sand and Firm Surfaces
9 de junio de 2026 actualizado por: Édison Andrés Pérez Bedoya, Federal University of Vicosa
Within-Session and Between-Day Reliability of the 15-metre (15-m) Sprint on Sand and Firm Surfaces, and Concordance Between Conditions, in Male Beach-Sport Athletes
This observational repeated-measures methodological study evaluated the reliability and agreement of a 15-m linear sprint test performed on sand and firm surfaces in male beach-sport athletes. Participants completed three maximal sprint attempts on each surface during up to two testing sessions conducted on separate days.
The study examined trial-to-trial reliability within each session, stability between testing days, and concordance between sprint times obtained on sand and firm surfaces. No therapeutic or training intervention was administered. Sand and firm surfaces were used exclusively as assessment conditions.
Descripción general del estudio
Estado
Terminado
Condiciones
Descripción detallada
Male athletes participating in beach soccer, beach volleyball, or beach handball completed three maximal 15-m linear sprint attempts on both sand and firm surfaces. Each attempt was performed from a standardised standing start, with at least two minutes of passive recovery between attempts.
Testing comprised up to two sessions per participant on separate days. The order of the surface conditions was counterbalanced to reduce potential order and fatigue effects. Participants who attended two sessions completed the surfaces in the opposite order during the second session.
The primary measured variable was 15-m sprint time in seconds. The arithmetic mean of the three attempts and the fastest individual attempt were calculated for each surface and session. Within-session and between-day reliability were evaluated using intraclass correlation coefficients, coefficients of variation, standard errors of measurement, typical errors, and minimal detectable changes. Agreement between sand and firm-surface measurements was assessed using Lin's concordance correlation coefficient and Bland-Altman analysis.
Tipo de estudio
De observación
Inscripción (Actual)
16
Contactos y Ubicaciones
Esta sección proporciona los datos de contacto de quienes realizan el estudio e información sobre dónde se lleva a cabo este estudio.
Ubicaciones de estudio
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Antioquia
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Guarne, Antioquia, Colombia, 054080
- Universidad de Antioquia
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Criterios de participación
Los investigadores buscan personas que se ajusten a una determinada descripción, denominada criterio de elegibilidad. Algunos ejemplos de estos criterios son el estado de salud general de una persona o tratamientos previos.
Criterio de elegibilidad
Edades elegibles para estudiar
- Adulto
- Adulto Mayor
Acepta Voluntarios Saludables
Sí
Método de muestreo
Muestra no probabilística
Población de estudio
The study population consisted of male athletes participating in beach soccer, beach volleyball, or beach handball in Antioquia, Colombia.
Participants were recruited using convenience sampling based on their availability during the data-collection period.
Eligible athletes had completed at least six months of regular beach-sport training.
Athletes with a musculoskeletal injury during the preceding six weeks, an acute illness during the preceding seven days, or who were unable to complete at least one full testing session were excluded.
Descripción
Inclusion Criteria
- Male athlete participating in beach soccer, beach volleyball, or beach handball.
- Minimum of six months of regular beach-sport training.
- Able to complete maximal 15-m sprint assessments on sand and firm surfaces.
- Provision of written informed consent before participation.
Exclusion Criteria
- Musculoskeletal injury during the six weeks preceding testing.
- Acute illness during the seven days preceding testing.
- Failure to complete at least one full testing session.
Plan de estudios
Esta sección proporciona detalles del plan de estudio, incluido cómo está diseñado el estudio y qué mide el estudio.
¿Cómo está diseñado el estudio?
Detalles de diseño
Cohortes e Intervenciones
Grupo / Cohorte |
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Male Beach-Sport Athletes
Sixteen male athletes participating in beach soccer, beach volleyball, or beach handball completed repeated 15-m sprint assessments on both sand and firm surfaces.
Each participant performed three maximal sprint attempts per surface during each completed testing session.
Ten participants completed two sessions on separate days, and six participants completed one session.
No therapeutic or training intervention was administered; sand and firm surfaces were used exclusively as repeated assessment conditions to evaluate sprint-test reliability and between-surface concordance.
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¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
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Mean 15-m Sprint Time on Sand and Firm Surfaces
Periodo de tiempo: During up to two testing sessions, each lasting approximately 45 minutes, conducted on separate days within one week.
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Time, measured in seconds, required to complete a maximal 15-metre linear sprint.
For each surface and testing session, the outcome was calculated as the arithmetic mean of three maximal sprint attempts.
For the between-surface analysis, one participant-level value per surface was derived by averaging session means for participants who completed two sessions or by using the single available session for participants who completed one session.
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During up to two testing sessions, each lasting approximately 45 minutes, conducted on separate days within one week.
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Medidas de resultado secundarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
|---|---|---|
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Within-Session Reliability of 15-m Sprint Time
Periodo de tiempo: Across the three sprint attempts performed during each surface condition within a single testing session (45 minutes).
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Trial-to-trial reliability of the three sprint attempts performed on each surface within each testing session, quantified using the absolute-agreement intraclass correlation coefficient [ICC(A,1)], coefficient of variation, standard error of measurement, typical error, and 95% minimal detectable change.
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Across the three sprint attempts performed during each surface condition within a single testing session (45 minutes).
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Between-Day Reliability of 15-m Sprint Time
Periodo de tiempo: Across two testing sessions conducted on separate days within one week (each of 45 minutes).
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Stability of mean sprint time between two testing sessions conducted on separate days, quantified using the absolute-agreement intraclass correlation coefficient [ICC(A,1)], coefficient of variation, standard error of measurement, typical error, and 95% minimal detectable change.
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Across two testing sessions conducted on separate days within one week (each of 45 minutes).
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Concordance Between Sand and Firm-Surface Sprint Times
Periodo de tiempo: Participant-level measurements derived from up to two testing sessions conducted within one week (each of 45 minutes).
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Agreement between participant-level mean 15-m sprint times obtained on sand and firm surfaces, evaluated using Lin's concordance correlation coefficient and Bland-Altman systematic bias and 95% limits of agreement.
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Participant-level measurements derived from up to two testing sessions conducted within one week (each of 45 minutes).
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Best 15-m Sprint Time on Sand and Firm Surfaces
Periodo de tiempo: During up to two testing sessions, each lasting approximately 45 minutes, conducted on separate days within one week.
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Fastest time, measured in seconds, recorded from the three maximal 15-metre sprint attempts performed on each surface during each testing session.
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During up to two testing sessions, each lasting approximately 45 minutes, conducted on separate days within one week.
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Colaboradores e Investigadores
Aquí es donde encontrará personas y organizaciones involucradas en este estudio.
Patrocinador
Publicaciones y enlaces útiles
La persona responsable de ingresar información sobre el estudio proporciona voluntariamente estas publicaciones. Estos pueden ser sobre cualquier cosa relacionada con el estudio.
Fechas de registro del estudio
Estas fechas rastrean el progreso del registro del estudio y los envíos de resultados resumidos a ClinicalTrials.gov. Los registros del estudio y los resultados informados son revisados por la Biblioteca Nacional de Medicina (NLM) para asegurarse de que cumplan con los estándares de control de calidad específicos antes de publicarlos en el sitio web público.
Fechas importantes del estudio
Inicio del estudio (Actual)
1 de marzo de 2026
Finalización primaria (Actual)
15 de marzo de 2026
Finalización del estudio (Actual)
15 de marzo de 2026
Fechas de registro del estudio
Enviado por primera vez
5 de junio de 2026
Primero enviado que cumplió con los criterios de control de calidad
5 de junio de 2026
Publicado por primera vez (Actual)
10 de junio de 2026
Actualizaciones de registros de estudio
Última actualización publicada (Actual)
11 de junio de 2026
Última actualización enviada que cumplió con los criterios de control de calidad
9 de junio de 2026
Última verificación
1 de junio de 2026
Más información
Términos relacionados con este estudio
Palabras clave
Otros números de identificación del estudio
- SANDSPRINT-OBS-01
Plan de datos de participantes individuales (IPD)
¿Planea compartir datos de participantes individuales (IPD)?
SÍ
Descripción del plan IPD
De-identified individual participant data underlying the results reported in the publication may be shared upon reasonable request.
Requests will be evaluated by the principal investigator and the responsible institution, considering the scientific purpose of the proposed use, participant confidentiality, ethical requirements, and compliance with applicable data-protection regulations.
Data will be provided only after approval of the request and completion of an appropriate data-use agreement.
Marco de tiempo para compartir IPD
Data may be made available beginning after publication of the primary study results and will remain available for five years.
Criterios de acceso compartido de IPD
Researchers who submit a methodologically sound proposal may request access to the de-identified data.
Requests must describe the research objectives, planned analyses, data-security procedures, and intended outputs.
Access will be subject to approval by the principal investigator and the responsible institution, as well as completion of a data-use agreement.
Tipo de información de apoyo para compartir IPD
- SAVIA
- CÓDIGO_ANALÍTICO
Información sobre medicamentos y dispositivos, documentos del estudio
Estudia un producto farmacéutico regulado por la FDA de EE. UU.
No
Estudia un producto de dispositivo regulado por la FDA de EE. UU.
No
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