Respiratory Muscle Strength and Jiu-Jitsu-Specific Performance in Male Brazilian Jiu-Jitsu Athletes
Relationship of Maximal Inspiratory and Expiratory Pressures With Jiu-Jitsu-Specific Anaerobic Performance and Static Kimono Grip Endurance in Male Brazilian Jiu-Jitsu Athletes: A Cross-Sectional Study
Studieöversikt
Status
Status
Betingelser
Betingelser
Detaljerad beskrivning
Studietyp
Studietyp
Inskrivning (Beräknad)
Inskrivning
Kontakter och platser
Studieorter
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Istanbul, Turkiet (Türkiye), 34337
- Roger Gracie Academy Turkey
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Kontakt:
- Omer Guliyev
- Telefonnummer: +90 534 786 70 90
- E-post: omerguliyev@rgaistanbul.com
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Huvudutredare:
- Muhammed Hüseyin Pekeren
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Deltagandekriterier
Urvalskriterier
Urvalskriterier
Åldrar som är berättigade till studier
- Vuxen
Tar emot friska volontärer
Testmetod
Studera befolkning
Beskrivning
Inclusion Criteria:
- Male sex
- Age 18 to 40 years
- At least 1 year of Brazilian Jiu-Jitsu experience
- Brazilian Jiu-Jitsu training on at least 2 days per week during the previous 3 months
- Familiarity with gi/kimono training and the butterfly-guard lifting movement
- Ability to safely and technically perform the Maximum Static Kimono Grip Test and the Jiu-Jitsu Anaerobic Performance Test
- Provision of written informed consent
Exclusion Criteria:
- Diagnosed cardiovascular, respiratory, neurological, metabolic, or musculoskeletal condition that may affect maximal testing or participant safety
- Active pain, acute injury, or relevant surgery during the previous 6 months
- Current regular use of cigarettes, electronic cigarettes, or inhaled nicotine products
- Medical advice to avoid maximal physical effort
- Regular use of medication that may materially affect study measurements
Studieplan
Hur är studien utformad?
Designdetaljer
Antal grupper/kohorter
Kohorter och interventioner
Grupp / KohortGrupp / Kohort |
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Male Brazilian Jiu-Jitsu Athletes
Adult male Brazilian Jiu-Jitsu athletes who train regularly and complete spirometric pulmonary function, respiratory muscle strength, BJJ-specific anaerobic performance, and static kimono grip endurance assessments.
No intervention will be assigned.
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Vad mäter studien?
Primära resultatmått
Primära resultatmått
Resultatmått |
Åtgärdsbeskrivning |
Tidsram |
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Jiu-Jitsu Anaerobic Performance Test Total Valid Repetitions
Tidsram: At Visit 2 or Visit 3, within 6 days after Visit 1
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Total number of valid butterfly-guard lifting repetitions completed across five 60-second work bouts separated by 45 seconds of passive recovery.
Higher values indicate better BJJ-specific anaerobic performance.
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At Visit 2 or Visit 3, within 6 days after Visit 1
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Sekundära resultatmått
Sekundära resultatmått
Resultatmått |
Åtgärdsbeskrivning |
Tidsram |
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Maximal Inspiratory Pressure
Tidsram: At Visit 1
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The highest acceptable maximal inspiratory pressure meeting prespecified reproducibility criteria, recorded in centimeters of water (cmH2O).
Higher values indicate greater inspiratory muscle strength.
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At Visit 1
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Maximal Expiratory Pressure
Tidsram: At Visit 1
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The highest acceptable maximal expiratory pressure meeting prespecified reproducibility criteria, recorded in centimeters of water (cmH2O).
Higher values indicate greater expiratory muscle strength.
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At Visit 1
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Maximum Static Kimono Grip Test Time
Tidsram: At Visit 2 or Visit 3, within 6 days after Visit 1
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Maximum time, in seconds, that the participant maintains a suspended position with maximal elbow flexion while gripping a kimono wrapped around a horizontal bar.
Higher values indicate greater static kimono grip endurance.
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At Visit 2 or Visit 3, within 6 days after Visit 1
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Forced Vital Capacity (FVC)
Tidsram: At Visit 1
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Forced vital capacity measured by spirometry and recorded in liters (L).
Percent-predicted and z-score values will also be documented when available.
Higher values generally indicate greater ventilatory volume, with interpretation based on appropriate reference limits.
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At Visit 1
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Forced Expiratory Volume in 1 Second (FEV1)
Tidsram: At Visit 1
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Forced expiratory volume in the first second measured by spirometry and recorded in liters (L).
Percent-predicted and z-score values will also be documented when available.
Higher values generally indicate greater expiratory volume in the first second, interpreted using appropriate reference limits.
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At Visit 1
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FEV1/FVC Ratio
Tidsram: At Visit 1
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Ratio of forced expiratory volume in the first second to forced vital capacity, calculated from acceptable spirometry maneuvers and recorded as a ratio and percentage.
The z-score and lower limit of normal will be documented when available; lower values may indicate airflow limitation.
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At Visit 1
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Peak Expiratory Flow (PEF)
Tidsram: At Visit 1
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Peak expiratory flow obtained during acceptable forced spirometry maneuvers and recorded in liters per second (L/s).
The highest acceptable value will be recorded.
Higher values indicate greater maximal expiratory flow.
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At Visit 1
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Samarbetspartners och utredare
Sponsor
Sponsor
Studieavstämningsdatum
Studera stora datum
Studiestart (Beräknad)
Studiestart
Primärt slutförande (Beräknad)
Primärt slutförande
Avslutad studie (Beräknad)
Avslutad studie
Studieregistreringsdatum
Först inskickad
Först inskickad
Först inskickad som uppfyllde QC-kriterierna
Först inskickad som uppfyllde QC-kriterierna
Första postat (Faktisk)
Första postat
Uppdateringar av studier
Senaste uppdatering publicerad (Faktisk)
Senaste uppdatering publicerad
Senaste inskickade uppdateringen som uppfyllde QC-kriterierna
Senaste inskickade uppdateringen som uppfyllde QC-kriterierna
Senast verifierad
Senast verifierad
Mer information
Termer relaterade till denna studie
Nyckelord
Andra studie-ID-nummer
Andra studie-ID-nummer
- HALICU-BJJ-2209-001
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