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Effects of Smartphone Use on Posture, Muscle Activity, and Muscle Characteristics

The influence of the use of smartphone on posture, muscle activity and muscle characteristics in healthy young adults.

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CRIS
Registry ID
KCT0004763
Enrollment
60
Registered
2020-02-25
Start date
2019-10-14
Completion date
Unknown
Last updated
2020-03-23

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

Conditions

None listed

Interventions

None listed

Sponsors

Gachon University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Person who have been using smartphones for more than six months. Person using smartphone for more than 2 hours a day. Person who does not regular exercise more than twice a week.

Exclusion criteria

Exclusion criteria: People with pain or neurological problems in the cervical spine or upper limb. Person who recently had surgery on his neck, shoulders, or upper limbs. People who have chronic pain in the neck, back or shoulders. Persons with skin diseases associated with EMG and marker attachment.

Design outcomes

Primary

MeasureTime frame
postural alignment—

Secondary

MeasureTime frame
muscle activity;muscle characteristic—

Countries

Korea, Republic of

Contacts

Public ContactSungHyeon Kim

Gachon University

Outcome results

None listed

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