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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05178394
Other study ID # 00001
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date January 1, 2021
Est. completion date September 1, 2021

Study information

Verified date December 2021
Source The University of Hong Kong
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

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. Methods: 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.


Recruitment information / eligibility

Status Completed
Enrollment 20
Est. completion date September 1, 2021
Est. primary completion date June 1, 2021
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Male
Age group 18 Years to 30 Years
Eligibility Inclusion Criteria: - men - aged 18 to 30 years - more than 3 years of weightlifting experience - have been training at least 4 hours per week - engage in recreational weightlifting Exclusion Criteria: - musculoskeletal disorders (e.g., leg length discrepancies and severe flat feet) - neurological disorders (e.g., epilepsy) - spinal problems (e.g., scoliosis) - upper limb problems (e.g., history of shoulder dislocation, tennis or golf elbow) - recent injuries that could affect performance - train regularly for other sports.

Study Design


Related Conditions & MeSH terms


Intervention

Device:
Weightlifting belts and wrist straps
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.

Locations

Country Name City State
Hong Kong University of Hong Kong Hong Kong

Sponsors (2)

Lead Sponsor Collaborator
The University of Hong Kong Education University of Hong Kong

Country where clinical trial is conducted

Hong Kong, 

Outcome

Type Measure Description Time frame Safety issue
Primary Hip flexion angle Hip flexion angle during setup phase of a deadlift Through study completion, an average of two hours
Primary Knee flexion angle Knee flexion angle during setup phase of a deadlift Through study completion, an average of two hours
Primary Cervical lordosis angle Cervical lordosis angle during lockout phase of a deadlift Through study completion, an average of two hours
Primary Thoracic kyphosis angle Thoracic kyphosis angle during lockout phase of a deadlift Through study completion, an average of two hours
Primary Lumbar lordosis angle Lumbar lordosis angle during lockout phase of a deadlift Through study completion, an average of two hours
Secondary Time Time to complete a deadlift Through study completion, an average of two hours
Secondary Rating of perceived exertion Rating of perceived exertion during a deadlift Through study completion, an average of two hours
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