Vera Moniz-Pereira

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The purpose of this research was to study the sensitivity of lower limb joint kinematics and kinetics, calculated during different functional tasks (walking, stair descent and stair ascent) in a sample of older adults, to different pose estimation algorithms and models' joint constraints. Three models were developed and optimized differently: in one model,(More)
AIM The aims of this study were to: (1) present preliminary results about the evaluation of the procedures (physical activity and functional fitness tests) followed in the baseline period of our research program, (2) present a preliminary characterization of Portuguese older people regarding sociodemographic, health, physical activity (PA) and functional(More)
BACKGROUND AND AIM Trunk kinematics and kinetics can contribute to more detailed information on gait impairment, however, data about reliability and measurement error of multi-segment trunk on three-dimensional gait analysis (3DGA) is lacking. The aim of this study is to investigate test-retest reliability and MDC of 3DGA kinematic and kinetic data in a(More)
Functional fitness (FF) and gait ability in older populations have been associated with increased survival rates, fall prevention, and quality of life. One possible intervention for the improvement of FF is well-structured exercise programs. However, there are inconsistent findings regarding the effects of exercise interventions in the maintenance of gait(More)
BACKGROUND AND AIM Three-dimensional gait analysis (3DGA) can provide detailed data on gait impairment in chronic low back pain (CLBP) patients. However, data about reliability and measurement error of 3DGA in this population is lacking. The aim of this study is to investigate test-retest reliability and minimal detectable change of 3DGA in a sample of CLBP(More)
There has been a growing effort in restoring gait symmetry in clinical conditions associated with pronounced gait asymmetry. A prerequisite to achieve this is that the chosen approach can accurately assess symmetry and detect/impose changes that exceed the natural day to day variability. Global symmetry indices are superior to local and discrete indices(More)
AIM The aim of this study was to use a multifactorial approach to characterize episodic and recurrent fallers risk profiles in Portuguese older adults. MATERIALS AND METHODS To accomplish the mentioned purpose, 1416 Portuguese older adults above 65 years were tested with three different field measurements: 1) health and falls questionnaire; 2) Physical(More)
The forces produced by the muscles can deliver energy to a target segment they are not attached to, by transferring this energy throughout the other segments in the chain. This is a synergistic way of functioning, which allows muscles to accelerate or decelerate segments in order to reach the target one. The purpose of this study was to characterize the(More)
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