Both aging and Parkinson's disease (PD) negatively affect postural control and increase the risk of falls, with frontal plane balance being particularly challenging for these populations. While previous studies have mainly focused on sagittal plane balance, the contribution of hip abductor muscles remains unclear, especially regarding their force production and control abilities. Therefore, this study aims to investigate hip abductor muscle force production and force control, and to examine whether these factors are associated with postural control, gait, and balance performance in individuals across different ages and those with PD.
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Maximal force
Timeframe: Baseline
Rate of torque development
Timeframe: Baseline
Force steadiness
Timeframe: Baseline
Walking speed
Timeframe: Baseline
Step Length
Timeframe: Baseline
Cadence
Timeframe: Baseline
Single Support Time
Timeframe: Baseline
Double Support Time
Timeframe: Baseline
Swing Time
Timeframe: Baseline
Center of Pressure (COP) Velocity in Balance Tasks
Timeframe: Baseline
Center of Pressure (COP) Area in Balance Tasks
Timeframe: Baseline
Timed Up-and-Go Test
Timeframe: Baseline
Four Square Step Test
Timeframe: Baseline