Table 1.

Conditions performed at normal and slow walking speeds. As published in¹².

Condition	Symbol	Description
Steady-state walking		Steady-state walking without any constraints
Ankle moment constrained		Walking with shoes with a narrow ridge (1 cm) underneath the soles (LesSchuh, Fig. 1), constraining mediolateral displacement of the CoP underneath the foot to a straight line
Foot placement constrained		Walking with bilateral foot placement constraints (lines projected on treadmill indicating mediolateral target locations for foot placement)