Respuesta :
The person using the ankle strategy moves the upper and lower body in the same direction.
Ankle strategies involve delayed activation of ankle, hamstring, and trunk muscles radiating distally to proximally on the same dorsal or ventral side of the body. The hip strategy involves delayed activation of the trunk and hamstring muscles, radiating from proximal to distal.
Mechanically, the ankle strategy consists of rotation of the body around the ankle joint with minimal movement around the upper joint [2]. This allows the body to act as an inverted pendulum with segments controlled by ankle joint torques.
Ankle strategies are limited by the foot's ability to apply torque upon contact with the supporting surface. As a result, the ankle strategy is expected to be used for unperturbed postures and slow, low-amplitude perturbations.
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