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Effects of hip flexion training on muscle mass and sprint performance

Effects of hip flexion training on muscle volume and sprint performance - HF-Sprint Study

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000061301
Enrollment
40
Registered
2026-04-18
Start date
2024-09-30
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 young individuals

Interventions

Participants will perform hip flexion training twice weekly for 12 weeks. Each session will be performed with a prescribed number of repetitions and sets. Participants will perform knee extension trai

Sponsors

Ritsumeikan University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Healthy young adults

Exclusion criteria

Exclusion criteria: 1. Individuals who have performed resistance training involving hip flexion and knee extension (e.g., knee extension exercises, squats, deadlifts) at least twice per week for 12 weeks or more within the past year, or who are currently engaged in such training. 2. Individuals with conditions that may interfere with study participation, including hepatic, renal, or cardiovascular diseases; respiratory disorders; endocrine or metabolic disorders; neurological disorders; disturbances of consciousness; vestibular dysfunction; sleep disorders; cardiovascular and circulatory diseases; diabetes mellitus (as defined by the criteria of the Japan Diabetes Society); or other conditions such as peripheral vascular reflex disorders, acute inflammation, skin diseases, or malignant tumors. 3. Individuals who have reported minor injuries within the past 4 weeks or severe musculoskeletal injuries within the past 6 months. 4. Individuals who are unable or unwilling to provide informed consent. 5. Individuals presenting with severe physical or mental conditions at the time of participation. 6. Individuals with a history of claustrophobia or panic disorder. 7. Individuals who are unable to remain at rest. 8. Individuals who are pregnant. 9. Individuals with a history of epileptic seizures. 10. Individuals with implanted medical devices such as cardiac pacemakers, defibrillators, or artificial heart valves. 11. Individuals with metal in their body (e.g., dental orthodontic bridges, crowns depending on material, clips, etc.). 12. Individuals with tattoos (as tattoo ink may react to magnetic fields).

Design outcomes

Primary

MeasureTime frame
Sprint performance (60-m sprint time)

Secondary

MeasureTime frame
Muscle volume

Countries

Japan

Contacts

Public ContactSumiaki Maeo

Ritsumeikan University Faculty of Sport and Health Science

s-maeo@fc.ritsumei.ac.jp077-561-2791

Outcome results

None listed

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