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Completed

NCT Number: NCT05178394

Weightlifting Belts and Wrist Straps for Weightlifters

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.

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Key information

Conditions

Exercise Movement Techniques

Age range

18 year–30 year

Sex eligibility

Male

Study type

Interventional

Phase

Not applicable

Primary location

University of Hong Kong

Hong Kong

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

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.

Treatment and study plan

Weightlifting belts and wrist straps

Device

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.

Primary outcomes

  1. Hip flexion angle

    Time frame: Through study completion, an average of two hours

    Hip flexion angle during setup phase of a deadlift

  2. Knee flexion angle

    Time frame: Through study completion, an average of two hours

    Knee flexion angle during setup phase of a deadlift

  3. Cervical lordosis angle

    Time frame: Through study completion, an average of two hours

    Cervical lordosis angle during lockout phase of a deadlift

  4. Thoracic kyphosis angle

    Time frame: Through study completion, an average of two hours

    Thoracic kyphosis angle during lockout phase of a deadlift

  5. Lumbar lordosis angle

    Time frame: Through study completion, an average of two hours

    Lumbar lordosis angle during lockout phase of a deadlift

Secondary outcomes

  1. Time

    Time frame: Through study completion, an average of two hours

    Time to complete a deadlift

  2. Rating of perceived exertion

    Time frame: Through study completion, an average of two hours

    Rating of perceived exertion during a deadlift

Sponsors and collaborators

Lead sponsor

The University of Hong Kong

Other

Collaborators

  • Education University of Hong Kong

Registry information

Official study title

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

Important dates

Study start
2021
Primary completion
2021
Study completion
2021
First posted
Jan 5, 2022
Registry last updated
Jan 5, 2022

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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