An area of research in biomechanics and gerontology concerns
falls and fall-related injuries, especially for elderly people.
Recent studies have focused on how individuals respond to large
postural disturbances (e.g., tripping, induced slips). One question
is whether subjects can be instructed to improve their recovery
from such disturbances. Suppose researchers want to compare two
such recovery strategies, lowering (quickly stepping down with
front leg and then raising back leg over the object) and elevating
(lifting front leg over the object)....