None listed
Conditions
Brief summary
Project summary - This project is a pilot study to examine whether the difference in psychosocial and physical measures are associated with gaze behaviour in individuals with OA and their younger healthier counterparts. The purpose of this research is to examine motor, cognitive and perceptual behaviours in individuals with OA; and, investigate whether the manifestation of these behaviours are associated with an increased risk of previous or future falls. Hypothesis - The hypothesis of this project is that individuals with osteoarthritis will demonstrate compromised gait patterns, adverse gaze behaviour and poorer walking automaticity (normally found in healthy adults). The adverse gait patterns, gaze behaviour and inability to complete dual tasks while walking is also hypothesized to be linked with greater falls prevalence.
Interventions
Group 1 - Osteoarthritis patients:
Informed consent
ROM - Flexion and extension of hip and knee
Isometric strength testing - Flexion and extension of hip and knee
Eye tracker activities - Average no. of fixations, Average duration of fixations, No. of changes
in locations, Average duration of final fixations, Average location of final fixations, Eye-Tracker Accuracy (%) & Calibration Points
Questionnaires - Oxford Knee Score (OKS), WOMAC, IPAQ, AAS, HFQ, RFG, NPR & LEF
Group 2 - Non-ost
Group 1 - Osteoarthritis patients: Informed consent ROM - Flexion and extension of hip and knee Isometric strength testing - Flexion and extension of hip and knee Eye tracker activities - Average no. of fixations, Average duration of fixations, No. of changes in locations, Average duration of final fixations, Average location of final fixations, Eye-Tracker Accuracy (%) & Calibration Points Questionnaires - Oxford Knee Score (OKS), WOMAC, IPAQ, AAS, HFQ, RFG, NPR & LEF Group 2 - Non-osteoarthritis patients (One set >50yo and one set <35yo): Informed consent ROM - Flexion and extension of hip and knee Isometric strength testing - Flexion and extension of hip and knee Eye tracker activities - Average no. of fixations, Average duration of fixations, No. of changes in locations, Average duration of final fixations, Average location of final fixations, Eye-Tracker Accuracy (%) & Calibration Points Questionnaires - Oxford Knee Score (OKS), WOMAC, IPAQ, AAS, HFQ, RFG, NPR & LEF a) The people administering the session testing will be two medical students and two sports scientists from the James Cook University b) The duration of each session will be between 1-2hours dependent on participant speed c) Two sessions will be undertaken in the study: One session 2-6weeks pre-surgery and a secondary session 4-10 days after the first session d) Materials used in the study will be: eye-tracking software, dynamometer, goniometer, strap to stabilise dynamometer, step & a chair e) The eye tracker activities will involve: bilateral stance on a hard floor, bilateral stance on a foam pad, single leg stances for as long as possible, timed up and go test, 3 cone agility test, walking over a step, walking up and down 3 steps, walking 30m normally, walking 30m with a cup of water in hand, walking 30m whilst subtracting 7 from 100, picking up an object from the floor and a gait test
Sponsors
Orthopaedic Research Institutde of Queensland (ORIQL)
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Healthy volunteers
Yes
Inclusion criteria
Inclusion specifically for OA group: Patients scheduled to undergo unilateral or bilateral primary joint replacement for primary arthritis of the respective joint, with radiographic evidence of the need for arthroplasty. **Prior surgical intervention on the affected joint is not considered an exclusion criterion for this study if >12 months prior, previous history to be documented - Over the age of 35y Inclusion for OA and Control groups: - Normal central and peripheral neurological function - Able to stand independently for at least 30 minutes and walk independently without an assistive device - No history of vestibular disease and no evidence or history of dementia - Male and female - Able to provide informed consent - BMI less than or equal to 40 - Patient capable of undergoing 2-hour assessment at nominated time points - Contact lenses Inclusion for young control: Less than 35y Inclusion for 0lder control: Older than 50y
Exclusion criteria
- Patients unable to comply with assessment requirements - Patients unable to provide informed consent - Any serious medical condition other than OA - Use of drug that might affect balance such as benzodiazepines - History or evidence of neurological deficit such as previous stroke or muscle disease - History or evidence of orthopaedic, muscular or psychological problems which may affect task performance during the study - Patients with BMI greater than 40 - Patients with active infection - Patients with significant other orthopaedic deformities, anatomical disruption/distortion of the joint other than that caused by OA. - Previous joint replacement or alignment correction or stabilization surgery (alignment or minor soft tissue procedure < 12 months) - Visual impairment or compromised visual acuity (VA) (VA is defined by one’s ability to perform function of ‘generic’ walking such as walk in a straight line, around stationary objects and over a step. Compromised VA; without glasses your VA is impaired)
Outcome results
None listed