Biomedical Engineering / Motor Control / Locomotion / Adolescent / Activities of Daily Living / Humans / Movement / Female / Male / Young Adult / Oscillations / Posture / Steady state / Aged / Mathematical Model / Middle Aged / Adult / Human Movement / Reproducibility of Results / Body Weight / Postural Balance / Indexation / Postural Stability / Electrical And Electronic Engineering / Exponential Function / Biomechanical Phenomena / Humans / Movement / Female / Male / Young Adult / Oscillations / Posture / Steady state / Aged / Mathematical Model / Middle Aged / Adult / Human Movement / Reproducibility of Results / Body Weight / Postural Balance / Indexation / Postural Stability / Electrical And Electronic Engineering / Exponential Function / Biomechanical Phenomena