ISSN : 2092-8475(Print)
ISSN : 2714-0148(Online)
ISSN : 2714-0148(Online)
Journal of International Academy of Physical Therapy Research Vol.16 No.4 pp.3731-3738
DOI : https://doi.org/10.20540/JIAPTR.2025.16.4.3731
DOI : https://doi.org/10.20540/JIAPTR.2025.16.4.3731
Clinical Application of Belt-Stabilized Hand-Held Dynamometer to Verify Treatment Effects of Manual Therapy under Korea’s Private Medical Indemnity Insurance System: A Case Report
Abstract
Background: In the South Korean private insurance sector, manual therapy faces increasing scrutiny, necessitating objective evidence for continued reimbursement. Traditional measurements often lack reproducibility or clinical practicality.
Objectives: This study evaluated the feasibility of belt-stabilized hand-held dynamometry (HHD) as an objective tool for documenting strength changes and informing insurance coverage decisions.
Design: A two-case clinical report.
Methods: Two adult males undergoing post-operative knee rehabilitation with manual therapy were included: (1) ACL reconstruction with medial meniscus injury and (2) ORIF after knee trauma. With participants seated at the table edge and the trunk stabilized by gripping the table, knee flexion was set at 95°. Belt-stabilized HHD was used to measure isometric knee extension and flexion (three trials; maximum value recorded in N). A single examiner (>15 years’ experience) used a standardized protocol across sessions.
Results: Case 1 improved from 44% (extension) and 42% (flexion) limb symmetry to 71.4% and 69.6% by session 20, supporting continued care and reimbursement after 30 sessions. Case 2 showed 60.2% extension symmetry at session 20, but subsequent reassessments lacked consistent improvement, contributing to discontinuation.
Conclusion: Belt-stabilized HHD may provide a practical, low-cost method to quantify strength changes and support transparent clinician–patient–insurer communication; larger prospective studies are needed.
Objectives: This study evaluated the feasibility of belt-stabilized hand-held dynamometry (HHD) as an objective tool for documenting strength changes and informing insurance coverage decisions.
Design: A two-case clinical report.
Methods: Two adult males undergoing post-operative knee rehabilitation with manual therapy were included: (1) ACL reconstruction with medial meniscus injury and (2) ORIF after knee trauma. With participants seated at the table edge and the trunk stabilized by gripping the table, knee flexion was set at 95°. Belt-stabilized HHD was used to measure isometric knee extension and flexion (three trials; maximum value recorded in N). A single examiner (>15 years’ experience) used a standardized protocol across sessions.
Results: Case 1 improved from 44% (extension) and 42% (flexion) limb symmetry to 71.4% and 69.6% by session 20, supporting continued care and reimbursement after 30 sessions. Case 2 showed 60.2% extension symmetry at session 20, but subsequent reassessments lacked consistent improvement, contributing to discontinuation.
Conclusion: Belt-stabilized HHD may provide a practical, low-cost method to quantify strength changes and support transparent clinician–patient–insurer communication; larger prospective studies are needed.
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