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- adults under protection |
- subjects with neurologic, psychiatric, somatic or sleep diseases and/or receiving a psychotropic medication interfering with the results. |
- subjects with history of seizures or loss of consciousness |
- subjects with excessive alcohol consumption (more than 3 doses /day) |
- subjects without any social security |
- subjects non fluent in french |
- for women : no effective contraception or lactation period |
EFFECTS OF A POSITIVE SLOPE TREADMILL TRAINING IN INDIVIDUALS AFTER STROKE. (HEMISLOPE): |
The main objective of this study is to determine if a single session of treadmill training with a positive slope improves the kinematic parameters of the hip, knee and ankle on the paretic lower limb. |
Secondarily we will quantify the efficiency of a such training on kinetic and functional parameters. |
comparison between patients having a single session of treadmill training with slope and those having a single session of treadmill training with no slope |
Inclusion Criteria: |
- Hemiplegic patient |
- capacity to walk during 20 minutes without technical assistance |
Exclusion Criteria: |
- patient with bilateral brain lesions |
- previous orthopedic surgery |
- pregnant woman |
OPTIMIZED LOADING RESPONSE BY JOURNEY II BCS KNEE INCREASES DAILY PHYSICAL ACTIVITY AND FUNCTIONS: |
Smith & Nephew's first edition of the Journey posterior stabilizing total knee arthroplasty was analyzed by the Center for Musculoskeletal Research in a past research study, and it was determined that subjects experienced more normal-like kinematic patterns. They also achieved excessive axial rotation and a decrease in weight-bearing knee flexion. Since Smith & Nephew has made modifications to the Journey bi-cruciate stabilizing (BCS) total knee arthroplasty (TKA) design, researchers will again evaluate the kinematics of subjects implanted with the revised design to determine if subjects experience normal-like kinematic patterns and if greater weight-bearing knee flexion is achieved. The objective for this study is to analyze the in vivo kinematics for subjects implanted with a 2nd generation Journey BCS TKA and compare those patterns to subjects having a normal knee and those having the 1st generation Journey posterior stabilizing (PS) TKA that were analyzed in the previous study. |
Patients implanted with a Smith & Nephew Journey II bi-cruciate stabilizing (BCS) implanted by Dr. Harold E. Cates or subjects with a healthy knee |
Inclusion Criteria for implanted subjects: |
- Implanted with a Journey II BCS |
- At least 3 months post-operative with no other surgical procedures within the past 6 months |
- Body Mass Index (BMI) < 40 |
- Body weight < 250 lbs |
- Not pregnant |
- Knee Society score (KSS) of > 90 |
- Must be able to walk on level ground without aid of any kind |
- Must be able to perform deep knee bend activity without aid of any kind |
- Must be able to perform chair-rise activity without aid of any kind |
- Must be willing to sign both Informed Consent and HIPAA forms |
- Speak English |
Exclusion Criteria for implanted subjects: |
- Other surgical procedures performed within the past 6 months |
- < 3 months post-operative |
- Pregnant |
- Severe cardiopulmonary or neurologic disease |
- Body weight > 250 lbs |
- BMI > 40 |
- KSS < 90 |
- Unable to perform 3 required activities unassisted |
- Unwilling to sign both Informed Consent and HIPAA forms |
- Prisoner |
- Mental disease |
- Unable to speak English |
Inclusion Criteria for non-implanted subjects: |
- healthy, well-functioning knee with no osteoarthritis or knee pathologies |
- no other surgical procedures within the past 6 months that will prohibit them from performing the three required activities |
- Body Mass Index < 40 |
- Body weight < 250 lbs |
- Not pregnant |
- Knee Society score of > 90 |