Comfortable office chair project II

Examination of office chairs with a lower risk of low back pain - Comfortable office chair II

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000060826

Enrollment

Registered

2026-03-09

Start date

2026-03-16

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

Interventions

Seat type 1 5days/week x 2 weeks Seat type 2 5days/week x 2 weeks Seat type 3 5days/week x 2 weeks Seat type 4 5days/week x 2 weeks Seat type 5 5days/week x 2 weeks Seat type 6 5days/week x 2 we

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Individuals who work while seated in a chair using a computer assigned to them at their workplace for at least 5 hours per day and 5 days or more per week.

Exclusion criteria

Exclusion criteria: 1) Individuals who regularly receive treatment at medical institutions, osteopathic clinics, or through massage therapy for low back pain or shoulder stiffness. 2) Individuals who have never experienced low back pain, shoulder stiffness, or headaches. 3) Individuals engaged in tasks other than desk work that impose significant load on the lower back.

Design outcomes

Primary

Measure	Time frame
Grade of low back pain	—

Secondary

Measure	Time frame
Trunk movement derived from AI-based analysis of sensor outputs.	—

Countries

Japan

Contacts

Public ContactRyoichi Nagatomi

Tohoku University Promotion Office of Strategic Innovation

ryoichi.nagatomi.c4@tohoku.ac.jp0227522191

Outcome results

None listed

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