Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
| Name | Class |
|---|---|
| Far Eastern Memorial Hospital | OTHER |
Not provided
Not provided
Not provided
Not provided
The purposes of this study are: (1) to determine the kinematics, kinetics, and muscle co-activation ratio of level walking and stair negotiation under three different conditions (shoes only, shoes embedded 3D printed insoles, and shoes embedded 5-degree lateral wedges), (2) to build a detailed patient-specific knee model via MR images and musculoskeletal model, then, evaluate the compressive forces acting on the medial aspect of the knee during level walking and stair negotiation.
This study is a cross-sectional study with patients serving as their own control. The investigators will recruit 20 patients with knee osteoarthritis. Using motion capture system, force plates, wireless EMG to capture the motion data of patients during walking and stair negotiation in each condition.
Not provided
Not provided
Not provided
Not provided
Not provided
| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Knee osteoarthritis patients | Experimental |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| 3D-printed foot orthoses | Device | 3D printed foot orthoses with arch support |
|
| Measure | Description | Time Frame |
|---|---|---|
| Knee adduction moment during level walking and stair negotiation | Surrogate marker of medial knee loading. Using motion capture system data to calculate the knee adduction moment via inverse dynamics method. | 10 minutes |
| Medial knee joint contact force during level walking and stair negotiation | Calculate the medial knee force to identify the change in medial knee loading by musculoskeletal model. The musculoskeletal model is driven by motion capture system data. | 10 minutes |
| Muscle co-activation ratio during level walking and stair negotiation | Level of muscle co-activation measured by electromyography (EMG). | 10 minutes |
| Measure | Description | Time Frame |
|---|---|---|
| Knee flexion moment during level walking and stair negotiation | Surrogate marker of medial and lateral knee loading. Using motion capture system data to calculate the joint moments via inverse dynamics method. The calculated joint moments (N*m) will be normalized by multiplying body weight (Newton) and leg length (meter). | 10 minutes |
Not provided
Inclusion Criteria:
Exclusion Criteria:
Not provided
Not provided
Not provided
Not provided
Not provided
| Name | Affiliation | Role |
|---|---|---|
| Li-Wei Chou, PhD | National Yang Ming Chiao Tung University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| National Yang-Ming University | Taipei | 112 | Taiwan |
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
| 5 degrees lateral wedge insoles | Device | Insoles with a lateral inclination set at 5 degrees |
|
| Path of center of pressure during level walking and stair negotiation |
The factor of affect the joint moments. Measured by force platform. |
| 10 minutes |
| Lower limbs joint angles during level walking and stair negotiation | Lower limbs alignment, including hip, knee and ankle joints. Using motion capture system data to calculate the joint angles. | 10 minutes |