Ignite Creation Date:
2025-12-25 @ 1:43 AM
Ignite Modification Date:
2026-01-29 @ 2:18 AM
Study NCT ID:
NCT05178394
Status:
COMPLETED
Last Update Posted:
2022-01-05
First Post:
2021-11-20
Is NOT Gene Therapy:
True
Has Adverse Events:
False
Brief Title:
Weightlifting Belts and Wrist Straps for Weightlifters
Sponsor:
Organization:
Raw JSON
{'hasResults': False, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}}, 'protocolSection': {'designModule': {'phases': ['NA'], 'studyType': 'INTERVENTIONAL', 'designInfo': {'allocation': 'NA', 'maskingInfo': {'masking': 'NONE'}, 'primaryPurpose': 'OTHER', 'interventionModel': 'SINGLE_GROUP'}, 'enrollmentInfo': {'type': 'ACTUAL', 'count': 20}}, 'statusModule': {'overallStatus': 'COMPLETED', 'startDateStruct': {'date': '2021-01-01', 'type': 'ACTUAL'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2021-12', 'completionDateStruct': {'date': '2021-09-01', 'type': 'ACTUAL'}, 'lastUpdateSubmitDate': '2021-12-16', 'studyFirstSubmitDate': '2021-11-20', 'studyFirstSubmitQcDate': '2021-12-16', 'lastUpdatePostDateStruct': {'date': '2022-01-05', 'type': 'ACTUAL'}, 'studyFirstPostDateStruct': {'date': '2022-01-05', 'type': 'ACTUAL'}, 'primaryCompletionDateStruct': {'date': '2021-06-01', 'type': 'ACTUAL'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'Hip flexion angle', 'timeFrame': 'Through study completion, an average of two hours', 'description': 'Hip flexion angle during setup phase of a deadlift'}, {'measure': 'Knee flexion angle', 'timeFrame': 'Through study completion, an average of two hours', 'description': 'Knee flexion angle during setup phase of a deadlift'}, {'measure': 'Cervical lordosis angle', 'timeFrame': 'Through study completion, an average of two hours', 'description': 'Cervical lordosis angle during lockout phase of a deadlift'}, {'measure': 'Thoracic kyphosis angle', 'timeFrame': 'Through study completion, an average of two hours', 'description': 'Thoracic kyphosis angle during lockout phase of a deadlift'}, {'measure': 'Lumbar lordosis angle', 'timeFrame': 'Through study completion, an average of two hours', 'description': 'Lumbar lordosis angle during lockout phase of a deadlift'}], 'secondaryOutcomes': [{'measure': 'Time', 'timeFrame': 'Through study completion, an average of two hours', 'description': 'Time to complete a deadlift'}, {'measure': 'Rating of perceived exertion', 'timeFrame': 'Through study completion, an average of two hours', 'description': 'Rating of perceived exertion during a deadlift'}]}, 'oversightModule': {'oversightHasDmc': True, 'isFdaRegulatedDrug': False, 'isFdaRegulatedDevice': False}, 'conditionsModule': {'conditions': ['Exercise Movement Techniques']}, 'descriptionModule': {'briefSummary': 'Objective: This study examined the effects of weightlifting belts and wrist straps on the kinematics of the deadlift exercise, time to complete a deadlift and rating of perceived exertion (RPE) in male recreational weightlifters.\n\nMethods: Twenty participants used various combinations of belt and straps during a conventional deadlift. The hip and knee flexion, cervical lordosis, thoracic kyphosis and lumbar lordosis angles and time to complete a deadlift were measured using video analysis software. RPE was also recorded.'}, 'eligibilityModule': {'sex': 'MALE', 'stdAges': ['ADULT'], 'maximumAge': '30 Years', 'minimumAge': '18 Years', 'genderBased': True, 'healthyVolunteers': True, 'eligibilityCriteria': 'Inclusion Criteria:\n\n* men\n* aged 18 to 30 years\n* more than 3 years of weightlifting experience\n* have been training at least 4 hours per week\n* engage in recreational weightlifting\n\nExclusion Criteria:\n\n* musculoskeletal disorders (e.g., leg length discrepancies and severe flat feet)\n* neurological disorders (e.g., epilepsy)\n* spinal problems (e.g., scoliosis)\n* upper limb problems (e.g., history of shoulder dislocation, tennis or golf elbow)\n* recent injuries that could affect performance\n* train regularly for other sports.'}, 'identificationModule': {'nctId': 'NCT05178394', 'briefTitle': 'Weightlifting Belts and Wrist Straps for Weightlifters', 'organization': {'class': 'OTHER', 'fullName': 'The University of Hong Kong'}, 'officialTitle': 'The Influence of Weightlifting Belts and Wrist Straps on Deadlift Kinematics, Time to Complete a Deadlift and Rating of Perceived Exertion in Male Recreational Weightlifters', 'orgStudyIdInfo': {'id': '00001'}}, 'armsInterventionsModule': {'armGroups': [{'type': 'EXPERIMENTAL', 'label': 'Male recreational weightlifters', 'interventionNames': ['Device: Weightlifting belts and wrist straps']}], 'interventions': [{'name': 'Weightlifting belts and wrist straps', 'type': 'DEVICE', 'description': 'The participants wore a weightlifting belt (Heavywear Nylon Contour Belt H9, North Carolina, USA) for the "with weightlifting belt" conditions and/or put on a pair of wrist straps (Versa Gripps Professional Series, Versa Gripps, Maine, USA) for the "with wrist strap" conditions. The steps involved in completing a conventional deadlift have been detailed in Holmes.', 'armGroupLabels': ['Male recreational weightlifters']}]}, 'contactsLocationsModule': {'locations': [{'city': 'Hong Kong', 'country': 'Hong Kong', 'facility': 'University of Hong Kong', 'geoPoint': {'lat': 22.27832, 'lon': 114.17469}}]}, 'ipdSharingStatementModule': {'ipdSharing': 'NO', 'description': 'Confidentiality of participant information.'}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'The University of Hong Kong', 'class': 'OTHER'}, 'collaborators': [{'name': 'Education University of Hong Kong', 'class': 'OTHER'}], 'responsibleParty': {'type': 'PRINCIPAL_INVESTIGATOR', 'investigatorTitle': 'Principal investigator', 'investigatorFullName': 'Shirley S.M. Fong', 'investigatorAffiliation': 'The University of Hong Kong'}}}}