Ignite Creation Date:
2025-12-24 @ 10:22 PM
Ignite Modification Date:
2025-12-25 @ 7:54 PM
Study NCT ID:
NCT07277335
Status:
RECRUITING
Last Update Posted:
2025-12-11
First Post:
2025-11-26
Is NOT Gene Therapy:
False
Has Adverse Events:
False
Brief Title:
Neuromuscular Variables and Performance in Mexican Weightlifters
Sponsor:
Organization:
Raw JSON
{'hasResults': False, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}}, 'protocolSection': {'designModule': {'studyType': 'OBSERVATIONAL', 'designInfo': {'timePerspective': 'CROSS_SECTIONAL', 'observationalModel': 'OTHER'}, 'enrollmentInfo': {'type': 'ESTIMATED', 'count': 50}, 'patientRegistry': False}, 'statusModule': {'overallStatus': 'RECRUITING', 'startDateStruct': {'date': '2025-12-27', 'type': 'ESTIMATED'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2025-12', 'completionDateStruct': {'date': '2025-12-31', 'type': 'ESTIMATED'}, 'lastUpdateSubmitDate': '2025-12-09', 'studyFirstSubmitDate': '2025-11-26', 'studyFirstSubmitQcDate': '2025-12-09', 'lastUpdatePostDateStruct': {'date': '2025-12-11', 'type': 'ESTIMATED'}, 'studyFirstPostDateStruct': {'date': '2025-12-11', 'type': 'ESTIMATED'}, 'primaryCompletionDateStruct': {'date': '2025-12-30', 'type': 'ESTIMATED'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'Isometric start position pull (ISPP)', 'timeFrame': '<5 minutes', 'description': "The participants' force production capacity will be assessed. The test will be conducted on a force platform"}, {'measure': 'Vertical impulse', 'timeFrame': '<5 minutes', 'description': 'A force platform will be used to measure the lower-limbs vertical impulse during a The Deep Squat Jump (DSJ)'}, {'measure': 'Performance', 'timeFrame': '<1 minutes', 'description': 'The final placement of each athlete in their category'}]}, 'oversightModule': {'oversightHasDmc': False, 'isFdaRegulatedDrug': False, 'isFdaRegulatedDevice': False}, 'conditionsModule': {'conditions': ['Isometric Muscle Strength', 'Jumping Performance', 'Weightlifting', 'Performance Measures']}, 'referencesModule': {'references': [{'pmid': '39882780', 'type': 'BACKGROUND', 'citation': 'Joffe SA, Chavda S, Gilham J, Sandercock GRH, Tallent J. A comparison of maximal isometric force in the first pull, transition and second pull of the clean and their contribution to predict performance in national and international level weightlifters. Sports Biomech. 2025 Jan 30:1-17. doi: 10.1080/14763141.2025.2458478. Online ahead of print.'}, {'pmid': '40266638', 'type': 'BACKGROUND', 'citation': 'Soriano MA, Flores FJ, Alonso-Aubin DA, Garcia-Sanchez C, Ceniza-Villacastin JA, Jimenez-Ormeno E, Lama-Arenales J, Comfort P. Associations Between Maximum Isometric Strength and Weightlifting Performance in Youth Weightlifters. J Strength Cond Res. 2025 May 1;39(5):570-578. doi: 10.1519/JSC.0000000000005052.'}, {'pmid': '19387408', 'type': 'BACKGROUND', 'citation': 'Vizcaya FJ, Viana O, del Olmo MF, Acero RM. Could the deep squat jump predict weightlifting performance? J Strength Cond Res. 2009 May;23(3):729-34. doi: 10.1519/JSC.0b013e3181a04dc3.'}]}, 'descriptionModule': {'briefSummary': 'This study aims to determine whether, within each weight and sex category, higher isometric pull force or greater vertical jump impulse is associated with better final placement in the competition.', 'detailedDescription': 'This cross-sectional observational study will be conducted during the 2025 "El Pavo" National Tournament, held in San Luis Potosí, Mexico, with athletes officially registered with the Mexican Weightlifting Federation (FMLP). Vertical jump impulse will be assessed using the Deep Squat Jump (DSJ) approximately two hours after each athlete\'s last valid attempt, followed by the Isometric Pull Start Position (IPSP) test to measure isometric pull force. Competitive performance data-best Snatch (SN), Clean \\& Jerk (CJ), and Total (TOT)-will be obtained from official competition records, along with the athlete\'s final placement within their sex and body mass category.\n\nThe study will analyze athletes from two age groups (U-15 and Over-18) and both sexes, selecting one light and one heavy body mass division per group. The included divisions are: U-15, Female: -44 kg (light), -63 kg (heavy) and Male: -56 kg (light), -79 kg (heavy); Over-20, Female: -53 kg (light), -77 kg (heavy) and Male: -65 kg (light), -94 kg (heavy)'}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['CHILD', 'ADULT'], 'maximumAge': '23 Years', 'minimumAge': '13 Years', 'samplingMethod': 'NON_PROBABILITY_SAMPLE', 'studyPopulation': 'Weightlifters younger than 15 years old and older than 18 years old (up to 23 years), who will participate in the 2025 edition of the annual national tournament "El Pavo," organized by the Mexican Weightlifting Federation, will be evaluated', 'healthyVolunteers': True, 'eligibilityCriteria': 'Inclusion Criteria:\n\n* Weightlifters younger than 15 years old and older than 18 years old (up to 23 years), registered to compete in the 2025 "El Pavo" National Tournament with no declared health issues.\n\nExclusion Criteria:\n\n* Weightlifters registered for the 2025 "El Pavo" National Tournament who present any declared health issues.'}, 'identificationModule': {'nctId': 'NCT07277335', 'acronym': 'KRAFT', 'briefTitle': 'Neuromuscular Variables and Performance in Mexican Weightlifters', 'organization': {'class': 'NETWORK', 'fullName': 'Dynamical Business and Science Society - DBSS International SAS'}, 'officialTitle': 'Association Between Neuromuscular Variables and Competitive Performance in Weightlifting: an Observational Study With Mexican Athletes [The Kraft Project]', 'orgStudyIdInfo': {'id': 'Kraft2025_DBSS'}, 'secondaryIdInfos': [{'id': 'Kraft2025_DBSS', 'type': 'OTHER', 'domain': 'Innovation MX DBSS'}]}, 'armsInterventionsModule': {'armGroups': [{'label': 'Junior weightlifters younger than 15 years old', 'interventionNames': ['Other: Isometric start position pull (ISPP)', 'Other: Vertical impulse', 'Other: Performance']}, {'label': 'Elite weightlifters older than 18 years old (up to 23 years)', 'interventionNames': ['Other: Isometric start position pull (ISPP)', 'Other: Vertical impulse', 'Other: Performance']}], 'interventions': [{'name': 'Isometric start position pull (ISPP)', 'type': 'OTHER', 'description': "The participants' force production capacity will be assessed. The test will be conducted on a force platform. Each athlete will perform general and specific warm-up and familiarization with three isometric attempts with CJ grip (\\~50%, 80% and 100% perceived effort). For measurement, each participant will execute two 3-s maximum attempts with CJ grip, with 1 minute rest between efforts.", 'armGroupLabels': ['Elite weightlifters older than 18 years old (up to 23 years)', 'Junior weightlifters younger than 15 years old']}, {'name': 'Vertical impulse', 'type': 'OTHER', 'description': 'A force platform will be used to measure the lower-limbs vertical impulse during a The Deep Squat Jump (DSJ). Participants will execute the DSJ without any countermovement, ensuring maintenance of the full squat position for 3-4 seconds before takeoff to avoid any contribution from elastic energy storage.', 'armGroupLabels': ['Elite weightlifters older than 18 years old (up to 23 years)', 'Junior weightlifters younger than 15 years old']}, {'name': 'Performance', 'type': 'OTHER', 'description': 'Performance indicators will be obtained from official competition records, extracting the best valid loads in Snatch (SN), Clean \\& Jerk (CJ), and Total (TOT)', 'armGroupLabels': ['Elite weightlifters older than 18 years old (up to 23 years)', 'Junior weightlifters younger than 15 years old']}]}, 'contactsLocationsModule': {'locations': [{'zip': '78390', 'city': 'San Luis Potosí City', 'state': 'San Luis Potosí', 'status': 'RECRUITING', 'country': 'Mexico', 'contacts': [{'name': 'Leoncio Moreno Leoncio, Event Coordinator', 'role': 'CONTACT', 'email': 'leo.intensity@gmail.com', 'phone': '8124066707'}], 'facility': 'Hotel María Dolores', 'geoPoint': {'lat': 22.15234, 'lon': -100.97135}}], 'overallOfficials': [{'name': 'Diego A Bonilla', 'role': 'STUDY_DIRECTOR', 'affiliation': 'Research Division, Dynamical Business & Science Society-DBSS International SAS'}, {'name': 'Rodrigo D Merlo, PhD', 'role': 'STUDY_CHAIR', 'affiliation': 'Research Division, Dynamical Business & Science Society-DBSS International SAS'}, {'name': 'Ángel Rodríguez-Chávez, Mg', 'role': 'PRINCIPAL_INVESTIGATOR', 'affiliation': 'Research Division, Dynamical Business & Science Society-DBSS International SAS'}, {'name': 'Jorge L Petro', 'role': 'STUDY_CHAIR', 'affiliation': 'Research Division, Dynamical Business & Science Society-DBSS International SAS'}, {'name': 'Leoncio Moreno', 'role': 'STUDY_CHAIR', 'affiliation': 'Federación Mexicana de Levantamiento de Pesas'}, {'name': 'Shyam Chavda', 'role': 'STUDY_CHAIR', 'affiliation': 'London Sports Institute, Middlesex University, West Stand, Stone X Stadium, Greenlands Lane, London NW4 1RL, UK'}, {'name': 'Marcos A Soriano', 'role': 'STUDY_CHAIR', 'affiliation': 'Centre for Sport Studies, Rey Juan Carlos University, 28943 Madrid, Spain; miguel.delolmo@urjc.es'}]}, 'ipdSharingStatementModule': {'ipdSharing': 'NO'}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'Ángel Rodríguez', 'class': 'NETWORK'}, 'responsibleParty': {'type': 'SPONSOR_INVESTIGATOR', 'investigatorTitle': 'Researcher', 'investigatorFullName': 'Ángel Rodríguez', 'investigatorAffiliation': 'Dynamical Business and Science Society - DBSS International SAS'}}}}