The differences in choice reaction time with changes in trunk tilt and lumbar lordosis angle in Sitting Volleyball

The differences in choice reaction time with changes in trunk tilt and lumbar lordosis angle in Sitting Volleyball - The choice reaction time in Sitting Volleyball

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000039162

Enrollment

Registered

2020-01-15

Start date

2020-01-14

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

adult

Interventions

RT was measured by Reaction MR(Takei Scientific Instruments, Japan.). Subjects sat on the center mat placed 1.5 meters ahead of the lamp with their hip and knee joints flexed in forward tilt posture(F

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1.Men and women between the age of 20 and 35 at the time of consent 2.At least 5 years of sports experience 3.Those who have written consent to participate in this study

Exclusion criteria

Exclusion criteria: 1.People with orthopedic disease on upper limb, lower limb and trunk at the time of consent 2.People who are deemed inappropriate by the researcher to conduct this research 3.The researcher and the research target are in a teacher-student relationship, and the student is taking a lecture from the researcher

Design outcomes

Primary

Measure	Time frame
1.choice reaction time 2.lumbar lordosis angle Both 1 and 2 are measured on the day of measurement	—

Secondary

Measure	Time frame
age hight body weight BMI sports history	—

Countries

Japan

Contacts

Public ContactNoriaki Maeda

Graduate School of Hiroshima University Biomedical & Health Sciences

norimmi@hiroshima-u.ac.jp082-257-5410

Outcome results

None listed

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