Wearable Sensor-based Balance Training for Patients With Knee Osteoarthritis
| Status: | Active, not recruiting |
|---|---|
| Conditions: | Arthritis, Osteoarthritis (OA) |
| Therapuetic Areas: | Rheumatology |
| Healthy: | No |
| Age Range: | 18 - 90 |
| Updated: | 4/21/2016 |
| Start Date: | February 2015 |
| End Date: | June 2016 |
Explore the Effectiveness of a Sensor-based Interactive Exercise Training on Functional Performance in Patients With Knee Osteoarthritis
Knee osteoarthritis (KOA) is one of the leading causes of lower limb disability among the
elderly and can cause loss of knee joint proprioception that contributes towards
deterioration of postural balance. Maintaining a good postural stability is essential while
performing everyday functional activities and to avoid falls. Exercise training has been
reported to reduce pain as well as improve performance of functional tasks in patients with
KOA however compliance to exercise can be challenging due to pain, lack of motivation and
traditional nature of exercise that can easily overtax patients. Furthermore, there are not
exercise programs that are specifically designed for patients with KOA in order to address
lost knee joint proprioception. Recent studies have also demonstrated that visual feedback
during exercise can enhance the benefits of exercise training. Therefore, the aim of the
proposed study is to implement an interactive sensor-based exercise training to improve
postural balance, gait and activities of daily living in patients with KOA.
elderly and can cause loss of knee joint proprioception that contributes towards
deterioration of postural balance. Maintaining a good postural stability is essential while
performing everyday functional activities and to avoid falls. Exercise training has been
reported to reduce pain as well as improve performance of functional tasks in patients with
KOA however compliance to exercise can be challenging due to pain, lack of motivation and
traditional nature of exercise that can easily overtax patients. Furthermore, there are not
exercise programs that are specifically designed for patients with KOA in order to address
lost knee joint proprioception. Recent studies have also demonstrated that visual feedback
during exercise can enhance the benefits of exercise training. Therefore, the aim of the
proposed study is to implement an interactive sensor-based exercise training to improve
postural balance, gait and activities of daily living in patients with KOA.
The exercise intervention procedure is based on wearable sensor game-based balance-training
program (Exergame). Subjects will perform progressive balance exercises such as ankle
reaching or weight shifting, obstacle crossing, and ankle trail making task (i.e.
motor-cognitive task). Real-time visual/audio lower-extremity joint motion feedback will be
provided using wearable sensors (LEGSys, Biosensics LLC, Cambridge, MA, USA) to assist and
encourage subjects to accurately execute each exercise task. The same wearable sensor
technology is also used to quantify changes in balance and gait.
Changes in balance, gait, fear of falling, physical activity, pain, and quality of life
parameters will be assessed at the beginning and conclusion of the training program.
Subjects will perform sensor-based interactive balance training (on computer screen), 2 x
week, for a period of 6 weeks. The training consists of three balance tasks shown on a
computer screen (1. ankle reaching task or weight shifting , 2. obstacle negotiation task,
and 3. ankle trail making task (i.e. motor-cognitive task) intended to improve postural
stability.
program (Exergame). Subjects will perform progressive balance exercises such as ankle
reaching or weight shifting, obstacle crossing, and ankle trail making task (i.e.
motor-cognitive task). Real-time visual/audio lower-extremity joint motion feedback will be
provided using wearable sensors (LEGSys, Biosensics LLC, Cambridge, MA, USA) to assist and
encourage subjects to accurately execute each exercise task. The same wearable sensor
technology is also used to quantify changes in balance and gait.
Changes in balance, gait, fear of falling, physical activity, pain, and quality of life
parameters will be assessed at the beginning and conclusion of the training program.
Subjects will perform sensor-based interactive balance training (on computer screen), 2 x
week, for a period of 6 weeks. The training consists of three balance tasks shown on a
computer screen (1. ankle reaching task or weight shifting , 2. obstacle negotiation task,
and 3. ankle trail making task (i.e. motor-cognitive task) intended to improve postural
stability.
Inclusion Criteria:
- age 18 and above
- ability to walk 50 m independently (with or without aid)
- ability to stand for 5 minutes .
Exclusion Criteria:
- disorder other than osteoarthritis that may severely affect gait and balance
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