Posture and comfort evaluation in computer users

posture assessment and comfort measurement while working with different types of computer input devices

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT2014113020142N2

Enrollment

Registered

2014-12-25

Start date

2014-06-21

Completion date

Unknown

Last updated

2018-02-22

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

Conditions

Soft tissue disorders. Soft tissue disorder, unspecified

Interventions

The intervention is change of computer input device. All subjects experience all interventions. In the lab before the onset of the experiment, each subject complete a demographic questionnaire. Then,

Eligibility

Sex/Gender

All

Age

18 Years to 30 Years

Inclusion criteria

Inclusion criteria: ]Inclusion criteria: right-handed; healthy vision; no musculoskeletal disorders Exclusion criteria: left-handed; vision problem; suffering from musculoskeletal disorders

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

Measure	Time frame
Head inclination in Sagital plane. Timepoint: 15 minutes. Method of measurement: Qualysis motion analysis system.;Neck inclination in Sagital plane. Timepoint: During the 15-min trial. Method of measurement: Qualysis motion analysis system.;Trunk inclination in Sagital plane. Timepoint: During the 15-min trial. Method of measurement: Qualysis motion analysis system.;Arm angle in Sagital plane. Timepoint: During the 15-min trial. Method of measurement: Qualysis motion analysis system.;Trunk angle. Timepoint: During the 15-min trial. Method of measurement: Qualysis motion analysis system.;Elbow angle. Timepoint: During the 15-min trial. Method of measurement: Qualysis motion analysis system.;Local postural discomfort and pain. Timepoint: At the end of the 15-min trial. Method of measurement: Numerical visual analogue rating scale.;Subject perception about working posture. Timepoint: At the end of the 15-min trial. Method of measurement: Verbal rationg scale.	—

Measure

Time frame

Head inclination in Sagital plane. Timepoint: 15 minutes. Method of measurement: Qualysis motion analysis system.;Neck inclination in Sagital plane. Timepoint: During the 15-min trial. Method of measurement: Qualysis motion analysis system.;Trunk inclination in Sagital plane. Timepoint: During the 15-min trial. Method of measurement: Qualysis motion analysis system.;Arm angle in Sagital plane. Timepoint: During the 15-min trial. Method of measurement: Qualysis motion analysis system.;Trunk angle. Timepoint: During the 15-min trial. Method of measurement: Qualysis motion analysis system.;Elbow angle. Timepoint: During the 15-min trial. Method of measurement: Qualysis motion analysis system.;Local postural discomfort and pain. Timepoint: At the end of the 15-min trial. Method of measurement: Numerical visual analogue rating scale.;Subject perception about working posture. Timepoint: At the end of the 15-min trial. Method of measurement: Verbal rationg scale.

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Countries

Iran (Islamic Republic of)

Contacts

Public ContactDr Alireza Choobineh

Shiraz University of Medical Sciences

alrchoobin@sums.ac.ir+98 71 3725 1020

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026