Effects of Display Height on Cervical and Shoulder Muscle Strain During Standing Computer Tasks

Effects of Display Height on Cervical and Shoulder Muscle Strain During Standing Computer Tasks - Effects of Display Height on Cervical and Shoulder Muscle Strain During Standing Computer Tasks

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000054756

Enrollment

Registered

2024-06-25

Start date

2024-08-09

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 person

Interventions

Computer task with a display adjusted to eye level Computer task with a laptop on a cart

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Healthy people capable of performing computer task while standing

Exclusion criteria

Exclusion criteria: 1.People without Japanese reading and writing skills. 2.People who cannot type using a computer. 3.People with pain or restricted joint mobility in the neck, shoulders, or arms. 4.People who have difficulty maintaining a standing position. 5.People with conditions that could lead to sudden health changes. 6.People who are shorter than 150 cm or taller than 180 cm.

Design outcomes

Primary

Measure	Time frame
Cervical and shoulder muscle activity	—

Secondary

Measure	Time frame
Subjective Muscle stiffness (NRS)	—

Countries

Japan

Contacts

Public ContactSeiji Hamanishi

Kansai University of Social Welfare Faculty of Nursing/Graduate school of nursing

hamanishi@kusw.ac.jp0791462544

Outcome results

None listed

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