Healthy younger and older adults control foot placement to avoid small obstacles during gait primarily by modulating step width

Minimum toe clearance adaptations to floor surface irregularity and gait speed

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Perspective on Variability in the Development of Human Action

(2010) L. Fetters   PHYSICAL THERAPY

Obstacle crossing deficits in older adults: A systematic review

(2009) Brook Galna et al.   GAIT & POSTURE

Walking speed-related changes in stride time variability: effects of decreased speed

(2009) Olivier Beauchet et al.   Journal of NeuroEngineering and Rehabilitation

Dynamic Principles of Gait and Their Clinical Implications

(2009) A. D. Kuo et al.   PHYSICAL THERAPY

Age-related changes in gait for multi-surface terrain

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