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A study on knee joint movement in normal knees and osteoarthritis of the knee

Exploratory study on knee joint dynamics in normal knees and osteoarthritic knees using X-ray fluoroscopic analysis - Knee kinematics research

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000058874
Enrollment
100
Registered
2025-08-23
Start date
2025-10-07
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

Knee osteoarthritis

Interventions

None listed

Sponsors

Saitama medical university
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Normal knee: Individuals aged 18 years or older and 90 years or younger at the time of informed consent Individuals with no deformity of the knee joint on plain X-ray images Individuals who have received adequate explanation regarding participation in this study, demonstrated sufficient understanding, and provided written informed consent of their own free will Osteoarthritis of the knee: Individuals diagnosed with osteoarthritis of the knee at Kellgren-Lawrence grade 2 or higher on plain X-ray images Individuals for whom motion analysis tests are recommended for assessing the condition

Exclusion criteria

Exclusion criteria: Normal knee: Individuals requiring surgical treatment for ligament or cartilage damage Individuals who have undergone surgical treatment affecting alignment, such as fractures or osteotomy Individuals with systemic diseases affecting the knee joint (e.g., collagen diseases) Pregnant women or women who may be pregnant Breastfeeding women Other patients deemed inappropriate for participation by the principal investigator (or co-investigator) Osteoarthritis of the knee: Individuals unable to perform activities of daily living independently Pregnant women or women who may be pregnant Breastfeeding women Other patients deemed inappropriate for participation by the principal investigator (or co-investigator)

Design outcomes

Primary

MeasureTime frame
Knee joint flexion angle, rotation angle, varus/valgus angle, and joint surface inclination angle during treadmill walking, squats, stair climbing, and standing up.

Countries

Japan

Contacts

Public ContactTakahiro Arakawa

Saitama Medical University Department of orthopaedic surgery

d03sm003@gmail.com049-276-1111

Outcome results

None listed

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