Effect of Manual Wheelchair Propulsion Workload on Speed, Energy Expenditure, and Propulsion Mechanics

NCT04987177 | Completed

• 1 other identifier: IRB-300007513
• Study Type: interventional
• Target: 11
• Locations: 1 country
• Sites: 1

Brief Summary

The first purpose of this study is to characterize the relationship among propulsion workload, self-selected propulsion speed, and propulsion kinetics/kinematics. The second purpose is to assess the between days repeatability/reliability of the above outcomes. There are no hypothesis This is a repeated measures clinical trial. All participants will complete the following: 1) Acclimation to propelling a manual wheelchair on a wheelchair ergometer; 2) Graded exercise test on the wheelchair ergometer to 80% of age adjusted estimated maximal heart rate; and 3) N=20 one minute propulsion bouts on the wheelchair ergometer.

Conditions

Healthy Participants

Keywords

workload; wheelchair; biomechanics; energy expenditure

Outcome Measures

Primary Outcomes (2)

• Self-Selected Speed (meters per second)

  Average linear propulsion speed during each completed propulsion cycle (i.e. contact+recovery) averaged across all completed propulsion cycles in the specified time frame.

  Seconds 20 to 40 of each 1 minute propulsion bout

• Average Rolling Resistance (Newtons)

  Average rolling resistance during each completed propulsion cycle (i.e. contact+recovery) averaged across all completed propulsion cycles in the specified time frame.

  Seconds 20 to 40 of each 1 minute propulsion bout

Secondary Outcomes (10)

• Number of completed propulsion cycles used to generate the outcomes of interest

  Seconds 20 to 40 of each 1 minute propulsion bout

• Average resultant force (Newtons)

  Seconds 20 to 40 of each 1 minute propulsion bout

• Average rate of rise of resultant force (Newtons per second squared)

  Seconds 20 to 40 of each 1 minute propulsion bout

• Average push frequency (pushes per minute)

  Seconds 20 to 40 of each 1 minute propulsion bout

• Average push length (Degrees)

  Seconds 20 to 40 of each 1 minute propulsion bout

Study Arms (1)

Workload conditions to be tested

EXPERIMENTAL

The intervention is the external workload a participant propels against. Participants will propel against N=20 different external workloads.External workload will be controlled by the wheelchair ergometer.

Other: Workload of Manual Wheelchair Propulsion

Interventions

Workload of Manual Wheelchair Propulsion OTHER

Participants will complete 20 one-minute manual wheelchair propulsion bouts. Each one minute propulsion bout will be followed by a 2 minute rest period. Each propulsion bout will be at a different workload. After every 10 propulsion bouts, participants will be provided with an extended rest period (5 to 30 minutes). For each participant, the maximum workload to be tested is based on their estimated maximum workload. Estimate maximum workload is based on the HR-Workload relationship documented during a prior sub maximal test to 80% of age adjusted maximum heart rate.

Workload conditions to be tested

Eligibility Criteria

• Age: 18 Years+
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64), Older Adult (65+)

You may qualify if:

• age 18 years or older
• cleared to participate in physical activity as determined by the Physical Activity Readiness Questionnaire for Everyone (PAR-Q+)
• self-reported ability to propel a manual wheelchair
• not currently disabled

Sponsors & Collaborators

• University of Alabama at Birmingham: lead

Study Sites (1)

UAB/Lakeshore Research Colaborative Building

Homewood, Alabama, 35209, United States

Location

Related Publications (1)

• Soleymani H, Cowan R. Relationship between rolling resistance, preferred speed, and manual wheelchair propulsion mechanics in non-disabled adults. Disabil Rehabil Assist Technol. 2024 Jul;19(5):1980-1991. doi: 10.1080/17483107.2023.2239297. Epub 2023 Jul 26.

  PMID: 37493253 DERIVED

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: NA
• Masking: NONE
• Purpose: BASIC SCIENCE
• Intervention Model: SINGLE GROUP
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Assistant Professor

Study Record Dates

• First Submitted: July 16, 2021
• First Posted: August 3, 2021
• Study Start: August 7, 2021
• Primary Completion: November 13, 2021
• Study Completion: November 13, 2021
• Last Updated: February 24, 2022

Record last verified: 2022-02

Locations

US (1)