artificial knee Total knee arthroplasty
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: •Patient has already an implanted fixed bearing Duracon knee prosthesis (1 year postoperative) •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). •No symptoms / complaints from the other lower extremity joints which might interfer with ambulation.
Exclusion criteria
Exclusion criteria: •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 15° and more •Patient has a varus/valgus contracture of 15° and more •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
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Kinematic patterns: segment angels EMG: muscle activation and coordination | — |
Secondary
| Measure | Time frame |
|---|---|
| - | — |
Countries
Netherlands