The effect of whole body vibration, mental workload and backrest angles on heart rate variability

Assessment of whole body vibration, mental workload and backrest angle’s effects on heart rate variability and mental performance of college students

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT2016051527901N1

Enrollment

Registered

2017-04-10

Start date

2017-04-04

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

Whole body vibration. Exposure to vibration

Interventions

Intervention: participants work with a computer software (as a mental workload tools- 2 levels of mental workloads) when they are seated on a vibrated chair (magnitude of 1 m/s2 and frequency of 5 and

Eligibility

Sex/Gender

Male

Age

19 Years to 29 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: male; body mass index between 18.9 to 24.9; no previous permanently exposure to whole body vibration; having complete physical and mental health; perfect or corrected vision. Exclusion criteria: smoking; drinking of alcohol; consumption of substances containing caffeine on the test day; use of any medication in the past 3 days of tests; left-handed people.

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

Measure	Time frame
Heart rate variability. Timepoint: Whole duration of tests. Method of measurement: Nexus-4 device.	—

Secondary

Measure	Time frame
Mental performance changes. Timepoint: Whole duration of tests. Method of measurement: Computre software data.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactZahra Zamanian

Shiraz University of Medical Sciences

zamanianz@sums.ac.ir+98 71 3725 1009

Outcome results

None listed

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