artificial knee Total Knee arthroplasty
Conditions
Interventions
None listed
Sponsors
Leids Universitair Medisch Centrum
Eligibility
Age
18 Years to 99 Years
Inclusion criteria
Inclusion criteria: Patients: •Patient is diagnosed with osteoarthritis and requiring primary arthroplasty •Patient is capable of giving informed consent and expressing a willingness to comply with this study •Patient has no major deformities •The ability to perform a lunge and step-up motion without the help of bars or a cane. •No or slight pain during activity according to the Knee Society Pain Score (Ewald, 1989; Insall et al., 1989);Control group: •The subject has no functional impairment of a lower extremity joint •Subject is capable of giving informed consent and expressing a willingness to comply with this study
Exclusion criteria
Exclusion criteria: Patients: •The patient is unable or unwilling to sign the Informed Consent specific to this study •The individual has a functional impairment of any other lower extremity joint besides the operated knee •Patient has a flexion contracture of more than 15° •Patient has a varus/valgus contracture of more than 15° •Patients requiring revision arthroplasty •The patient does not understand the Dutch or English language good enough to participate. •The use of walking aids •The inability to walk more than 500 meters;Control group: •The subject has a functional impairment of a lower extremity joint •The subject is unable or unwilling to sign the Informed Consent specific to this study •The subject does not understand the Dutch or English language good enough to participate
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| kinematic patterns: segment angles Rotating bearing: degrees micromotion of the prosthesis: mm | — |
Secondary
| Measure | Time frame |
|---|---|
| Compare the kinematic patterns found by fluoroscopy and external movement registration: segment angels EMG: Co-contraction Kinetica | — |
Countries
Netherlands
Outcome results
None listed