Accidental Falls 1 Adult 1 Aged 1 Aged, 80 and over 1 Ankle 1 Article Biomechanical Phenomena 1 Case-Control Studies 1 Exercise Test 1 Falls risk 1 Female 1 Foot 1 Gait 1 Gait analysis 1 Hip 1 Humans 1 Knee 1 Linear discriminant analysis 1 Male 1 Middle Aged 1 Range of Motion, Articular 1 Stroke 1 Tripping 1 Walking 1 Young Adult 1 adult 1 aged 1 ankle 1 biomechanics 1 case control study 1