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Effect of prolonged sitting between Ergonomic chair desk and Lecture chair with writing tablet on Risk of Musculoskeletal Disorder, Electromyography and Fatigue of Cervico – thoracic muscle in Thai male age 18 – 25 years

Effect of prolonged sitting between Ergonomic chair desk and Lecture chair with writing tablet on Risk of Musculoskeletal Disorder, Electromyography and Fatigue of Cervico – thoracic muscle in Thai male age 18 – 25 years

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
TCTR
Registry ID
TCTR20190211006
Enrollment
Unknown
Registered
2019-02-11
Start date
2018-03-02
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy undergraduate student WMSD Lecture chair&#45

Interventions

The participants were asked to study in the simulating situation by sitting in the ergonomic chair desk for 130 minutes. The EMG of neck and shoulder and the posture of the body were assessed during t
desk with writing tablet for 130 minutes. The EMG of neck and shoulder and the posture of the body were assessed during the period.
Active Comparator Other,Active Comparator Other
Ergonomic chair (ERG),Lecture chair (LEC)

Sponsors

Thammasat University
Lead Sponsor

Eligibility

Sex/Gender
Male
Age
18 Years to 25 Years

Inclusion criteria

Inclusion criteria: 1. Healthy male participants 2. Aged between 18-25 years 3. Body mass index 18.5-22.9 kgs/m^2 4. Hight between 160-185 cm. 5. Right-handed 6. Normal eye sight or one that can be correct with glasses

Exclusion criteria

Exclusion criteria: 1. Forward posture or round shoulder 2. Abnormal eye sight that can not be correct with glasses 3. Degenerative spine symptom with nerve root radiculopathy 4. Rheumatoid or gouty arthritis 5. Deformities of Upper or lower extremities 6. Abdominal and thoracic surgery within 1 year 7. Surgery in neck or thoracic area

Design outcomes

Primary

MeasureTime frame
Risk of injury During Test Assessment Form (RULA),Muscle activities During Test EMG,Muscle Fatigue During Test EMG—

Secondary

MeasureTime frame
N/A N/A N/A—

Countries

Thailand

Contacts

Public ContactPoramet Earde

Thammasat University

poramet.e@allied.tu.ac.th+66+82+3430422

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026