Mechanical Massage Chair on Musculoskeletal Pain Improvement

The Effect of Mechanical Massage Chair on Musculoskeletal Pain Improvement for Endoscopists and Endoscopy Nurses

Status

UNKNOWN

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT04351477

Enrollment

Registered

2020-04-17

Start date

2020-06-01

Completion date

2021-04-30

Last updated

2020-04-22

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

Conditions

Massage Therapy

Keywords

massage chair, mulsculoskeletal pain

Brief summary

The effect of mechanical massage chair on musculoskeletal pain improvement for endoscopists and endoscopy nurses

Detailed description

Randomized, open-label, cross-over study 1. 1st phase Massage chair group (20 minutes/session, 3 sessions/week, 3 weeks), vs. control (no use of massage chair) 2. Wash-out period (9 weeks) 3. 2nd phase (cross-over) Massage chair group (20 minutes/session, 3 sessions/week, 3 weeks), vs. control (no use of massage chair) * Msculoskeletal pain questionnaires (VAS, NDI, SPADI) 1\) 1st phase: at baseline, 1.5 wk, 3 wk 2) 2nd phase: at baseline, 1.5 wk, 3 wk, 9wk after the end of treatment

Interventions

DEVICEMassage chair

Mechanical massage chair

Study design

Allocation

RANDOMIZED

Intervention model

CROSSOVER

Primary purpose

OTHER

Masking

NONE

Masking description

1. Randomization by allocation concealment 2. Open label, cross-over design

Intervention model description

Randomized, open-label, cross-over study

Eligibility

Sex/Gender

ALL

Age

20 Years to 65 Years

Healthy volunteers

Yes

Inclusion criteria

* Endoscopists or endoscopic nurses working at Seoul National University Hospital Gangnam Center

Exclusion criteria

* Spine disease, skin disease, acute inflammation, electrical heart device, thromboembolism, fracture, osteoporosis, varicose vein * Pregnancy

Design outcomes

Primary

Measure	Time frame	Description
Visual analogue scale	The change of VAS value at baseline, 1.5 week, 3 weeks during treatment, and 9 weeks after treatment	range: 0-10 (0: no pain; 10: worst possible pain)

Secondary

Measure	Time frame	Description
Neck disability index (NDI)	The change at baseline, 1.5 week, 3 weeks during treatment, and 9 weeks after treatment	range: 0-50 score (0: no pain or no disability, 50: worst pain or disability)
Shoulder pain and disability index (SPADI)	The change at baseline, 1.5 week, 3 weeks during treatment, and 9 weeks after treatment	range: 0-100% (0: no pain or no disability, 100: worst pain or disability)

Countries

South Korea

Contacts

Primary ContactMin-Sun Kwak, MD, PhD.

rasberry0309@gmail.com82-2-2112-5690

Backup ContactSu Jin Chung, MD, PhD.

medjsj7@snuh.org82-2112-5751

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026