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Skeletal muscle oxygenation during cycling

Skeletal muscle oxygenation during cycling - Skeletal muscle oxygenation during cycling

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000026189
Enrollment
10
Registered
2017-04-15
Start date
2017-04-21
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 person

Interventions

Exercise intensity is adjusted to participant&#39
s ventilatory threshold (VT) level. Revolution rate changes from 110rev/min to 90rev/min, 70rev/min, 50rev/min, 30rev/min. Each trial contains 5min exercise and 8min rest. Thereafter, exercise intensi
s ventilatory threshold (VT) level. Revolution rate changes from 30rev/min to 50rev/min, 70rev/min, 90rev/min, 110rev/min. Each trial contains 5min exercise and 8min rest. Thereafter, exercise intensi
s 70% of ventilatory threshold (VT) . Revolution rate changes from 110rev/min to 90rev/min, 70rev/min, 50rev/min, 30rev/min. Each trial contains 5min exercise and 8min rest. Thereafter, exercise inten
s 70% of ventilatory threshold (VT) . Revolution rate changes from 30rev/min to 50rev/min, 70rev/min, 90rev/min, 110rev/min. Each trial contains 5min exercise and 8min rest. Thereafter, exercise inten

Sponsors

Exercise and Sports Physiology, Graduate School of Medicine, Nagoya University
Lead Sponsor
Nagoya City University King&#39
Collaborator
s College London
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Healthy adults

Exclusion criteria

Exclusion criteria: Smoker, patients of circulatory or respiratory or metabolic disease

Design outcomes

Primary

MeasureTime frame
Change of muscle oxygenation level in the active muscles obtained by oxy-hemoglobin, deoxy-hemoglobin and total hemoglobin during cycle exercise

Secondary

MeasureTime frame
Change of respiratory response (oxygen uptake, minute ventilation, breathing frequency), circulatory response (heart rate, blood pressure), metabolic function (blood lactate concentration) and psychological burden (rate of perceived exertion) during cycling

Countries

Japan

Contacts

Public ContactKoji Ishida

Nagoya University Research Center of Health, Physical Fitness and Sports

ishida@htc.nagoya-u.ac.jp052-788-6258

Outcome results

None listed

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