Table 1 Summary of measures to be collected.
Primary outcome measures | Data collection instrument |
|---|---|
External peak knee adduction moment (KAM) | 3-dimensional gait analysis system and University of Western Australia (UWA) functional model |
Average overall pain in past week | 100 mm visual analogue scale |
Physical function in past 48 hours | WOMAC Osteoarthritis Index 3.1 Likert version physical function subscale |
Secondary outcome measures | Â |
KAM angular impulse | 3-dimensional gait analysis system and (UWA) functional model |
Pain and stiffness | WOMAC Osteoarthritis Index 3.1 Likert version |
Participant global rating of change overall and for pain and function | 7-point ordinal scale |
Muscle activation and co-contraction patterns | Surface electromyography during walking |
Hip and knee muscle strength | Isometric knee flexors and extensors (isokinetic dynamometer), hip abductors and rotators (instrumented manual muscle tester), and hip extensors (force transducer). |
Physical performance | Single limb standing time (seconds) |
| Â | Step test |
| Â | Four square test |
| Â | Timed stair climb (ascent and descent) |
| Â | 30 second sit-to-stand test |
Health-related quality of life | Assessment of Quality of Life Instrument version 2 (AQoL II) |
Other measures | Â |
Mechanical knee alignment | X-ray (baseline) |
Disease severity | X-ray (baseline) |
Physical activity levels | Physical Activity Scale for the Elderly (PASE) |
Adverse events | Participant log-book (follow-up) |
Adherence/Treatment session attendance | Participant log-book (follow-up) |
| Â | Therapist treatment records (follow-up) |