Therapeutic effect of knee extension exercise with single-joint hybrid assistive limb following total knee arthroplasty

Therapeutic effect of knee extension exercise with single-joint hybrid assistive limb following total knee arthroplasty: A Prospective, Randomized Controlled Trial - Therapeutic effect of knee extension exercise with single-joint hybrid assistive limb following total knee arthroplasty: A Prospective, Randomized Controlled Trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000052086

Enrollment

Registered

2023-09-01

Start date

2018-02-05

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 After total knee arthroplasty

Interventions

The patients in intervention group performed knee extension exercises with robot suit HAL single joint 50 times per day. The intervention was performed 5 times per week, and a total of 10 times. The p

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: The patients with end-stage knee osteoarthritis and scheduled primary total knee arthroplasty

Exclusion criteria

Exclusion criteria: History of a serious peripheral circulatory disturbance Heart or respiratory problems Central or peripheral neurological disorders Dementia spinal disease with lower extremity symptoms

Design outcomes

Primary

Measure	Time frame
Pain intensity on knee motion Active knee extension angle Passive knee extension angle Evaluate preoperatively, postoperative days 1 to 10, and weeks 2 and 4.	—

Secondary

Measure	Time frame
Walking speed Timed up and Go test Isometric knee extension strength Knee injury and Osteoarthritis Outcome Score (KOOS) Evaluate preoperatively and on postoperative weeks 2 and 4.	—

Countries

Japan

Contacts

Public ContactTakaya Maeda

Hirosaki Memorial Hospital Department of Rehabilitation

t.maeda.hirosaki@gmail.com0172281211

Outcome results

None listed

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