NCT04688502

Brief Summary

Face masks are important for prevention of transmission and contracting viruses such as COVID-19. Gymnasiums have been identified as being susceptible to virus transmission; therefore, wearing face masks during exercise is important during pandemics. This study will evaluate performance and physiological stress during high-intensity exercise while wearing a face mask during Crossfit exercise training.

Trial Health

30
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Timeline
Completed

Started Jun 2022

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
withdrawn

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

December 24, 2020

Completed
6 days until next milestone

First Posted

Study publicly available on registry

December 30, 2020

Completed
1.4 years until next milestone

Study Start

First participant enrolled

June 11, 2022

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 28, 2023

Completed
18 days until next milestone

Study Completion

Last participant's last visit for all outcomes

February 15, 2023

Completed
Last Updated

April 24, 2025

Status Verified

April 1, 2025

Enrollment Period

8 months

First QC Date

December 24, 2020

Last Update Submit

April 19, 2025

Conditions

Outcome Measures

Primary Outcomes (2)

  • Change from baseline in box jumps

    Number of box jump repetitions during high intensity exercise

    Up to 30 minutes

  • Change from baseline in pull-up, push-up, and squat repetitions

    Number of repetitions performed for pull-ups, push-ups, and squats

    Up to 30 minutes

Secondary Outcomes (3)

  • Change from baseline in rating of perceived exertion

    Up to 30 minutes

  • Change from baseline in heart rate

    Up to 30 minutes

  • Change from baseline in dyspnea

    Up to 30 minutes

Study Arms (4)

high intensity interval training wearing a face mask

EXPERIMENTAL

high intensity interval training wearing a face mask

Other: High intensity interval training

high intensity interval training wearing no face mask

ACTIVE COMPARATOR

high intensity interval training wearing no face mask

Other: High intensity interval training

continuous exercise training wearing a face mask

EXPERIMENTAL

continuous exercise training wearing a face mask

Other: Continuous exercise training

continuous exercise training wearing no face mask

ACTIVE COMPARATOR

continuous exercise training wearing no face mask

Other: Continuous exercise training

Interventions

High intensity interval training: 6 sets x 8 bench press, 10 pull-ups, and maximal number of box jumps (each set lasting 60 sec, with 4 minutes rest between sets)

high intensity interval training wearing a face maskhigh intensity interval training wearing no face mask

5 pull-ups, 10 push-ups, and 15 body-weight squats, repeated for 30 minutes

continuous exercise training wearing a face maskcontinuous exercise training wearing no face mask

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Experienced with CrossFit exercise training

You may not qualify if:

  • Contra-indications to exercise as identified by a screening questionnaire (the "Get Active Questionnaire")

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of Saskatchewan

Saskatoon, Saskatchewan, S7N5B2, Canada

Location

MeSH Terms

Conditions

Dyspnea

Interventions

High-Intensity Interval Training

Condition Hierarchy (Ancestors)

Respiration DisordersRespiratory Tract DiseasesSigns and Symptoms, RespiratorySigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

Physical Conditioning, HumanExerciseMotor ActivityMovementMusculoskeletal Physiological PhenomenaMusculoskeletal and Neural Physiological Phenomena

Study Officials

  • Philip Chilibeck, Ph.D.

    University of Saskatchewan

    PRINCIPAL INVESTIGATOR
  • Scotty Butcher, Ph.D.

    University of Saskatchewan

    PRINCIPAL INVESTIGATOR
0

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
CROSSOVER
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

December 24, 2020

First Posted

December 30, 2020

Study Start

June 11, 2022

Primary Completion

January 28, 2023

Study Completion

February 15, 2023

Last Updated

April 24, 2025

Record last verified: 2025-04

Locations