Effects of Different Prone Postures on Smartphone Use in Healthy Adults

Effects of Different Prone Postures on Smartphone Use in Healthy Adults - Study on Smartphone Use in the Prone Lyning Position

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000059865

Enrollment

Registered

2025-11-24

Start date

2025-12-01

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

Heanthly Participants

Interventions

Smartphone usage in prone lyning on arms and elbows

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Undergraduate students of the School of Health Sciences, Fukushima Medical University. 2. Not diagnosed with any orthopedic or neurological disorders at the time of study participation and implementation. 3. Provided informed consent to participate in this study.

Exclusion criteria

Exclusion criteria: 1. Individuals aged 65 years or older at the time of obtaining informed consent. 2. Individuals experiencing neck or low back pain at the time of study participation and implementation. 3. Individuals with dermatological diseases under treatment in the head, cervical, lumbar, or dorsal regions at the time of study participation and implementation.

Design outcomes

Primary

Measure	Time frame
Endurance time in prone lyning during smartphone usage	—

Secondary

Measure	Time frame
Body part discomfort, Joint angles and muscle activities of neck and low back	—

Countries

Japan

Contacts

Public ContactAkihiko Asao

Fukushima Medical University Departiment of Occupational Therapy

a-asao@fmu.ac.jp024-581-5535

Outcome results

None listed

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