A Study on the Musculoskeletal Effects of a Backpack Using a Lumbar Support Cushion

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

CRIS

Registry ID

KCT0012211

Enrollment

Registered

2026-07-02

Start date

2026-07-02

Completion date

Unknown

Last updated

2026-07-13

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

Conditions

None listed

Interventions

Behavioral : This study is a single-group, randomized crossover trial utilizing a repeated-measures design with two within-subject factors: backpack weight and the use of a lumbar support cushion. The

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: Healthy adult males aged 20 years or older. Individuals with a cranio-vertebral angle (CVA) of 45 degrees or greater.

Exclusion criteria

Exclusion criteria: Individuals with a medical history of musculoskeletal, cardiovascular, respiratory, or neurological disorders. Individuals with abnormal findings upon musculoskeletal, cardiovascular, respiratory, or neurophysiological examinations. Individuals currently enrolled in courses taught by the principal investigator (PI).

Design outcomes

Primary

Measure	Time frame
Postural angle;Muscl tone and stiffness	—

Secondary

Measure	Time frame
Visual Analogue Scale	—

Countries

Korea, Republic of

Contacts

Public ContactJu-Yeon Jung

Gachon University

9955me@gachon.ac.kr+82-32-820-4110

Outcome results