Effects of Breathing Techniques on Fatigue During Cycling Exercise

Hyperventilation and Perceived Exertion in Sustained Cycling at Anaerobic Threshold: A Randomized Crossover Trial - Hyperventilation Cycling Fatigue Trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000060290

Enrollment

Registered

2026-01-07

Start date

2024-04-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy adult

Interventions

Intentional hyperventilation synchronized to each pedal stroke (approximately 50 breaths/min) during 20 minutes of cycling at anaerobic threshold intensity. Slower breathing synchronized to every two

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Healthy young adults (approximately 18-30 years old) Able to synchronize breathing with pedaling during the practice session Provided written and verbal informed consent after receiving details of the study purpose, procedures, and potential risks

Exclusion criteria

Exclusion criteria: History of respiratory or cardiovascular disease Musculoskeletal disorders affecting pedaling Current or former smoking history Recent upper respiratory tract infection (within one week) Unable to synchronize breathing during the practice session

Design outcomes

Primary

Measure	Time frame
Borg rating of perceived exertion for dyspnea, Borg rating of perceived exertion for leg fatigue	—

Countries

Japan

Contacts

Public ContactOsamu Aoki

Shijonawate Gakuen University Faculty of rehabilitation

o-aoki@reha.shijonawate-gakuen.ac.jp+81-72-863-5043

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026