Preventive effects of low back pain by trunk flexibility exercise in high school rugby players

Preventive effects of low back pain by trunk flexibility exercise in high school rugby players - Preventive effects of low back pain by trunk flexibility exercise in high school rugby players

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000039364

Enrollment

Registered

2020-02-02

Start date

2020-03-01

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 individuals

Interventions

Trunk flexibility gymnastics. Intervention: Trunk exercise is performed by applying a strap on the waist. A strap is attached to the Jacoby line and bend the trunk forward while pulling it vertically

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: 2019 national high school rugby football tournament Saitama prefecture qualifying best 16 or more teams

Exclusion criteria

Exclusion criteria: Those who cannot obtain written consent for participation in this study Those who cannot start at the start of measurement Patients who have undergone orthopedic surgery within one month due to trunk (including lumbar) symptoms Those who have difficulty continuing self-exercise

Design outcomes

Primary

Measure	Time frame
Low back pain incidence Six months after the start of the intervention	—

Secondary

Measure	Time frame
ROM flex ext rotation lateral flex Back range of motion FFD SLR Thomas test Core Stability test Standing long jump 30m dash	—

Countries

Japan

Contacts

Public ContactYuto Kikuchi

Saitama Medical University Graduate School of Medicine Master and Doctoral Program in Physical Therapy

y.kikuike1009@gmail.com049-295-1001

Outcome results

None listed

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