What position is the ankle in during the pre-swing phase?

During the pre-swing phase of gait, the ankle is typically positioned around 20 degrees of plantarflexion. This positioning occurs as the foot prepares for the final push-off before advancing the limb forward for the subsequent swing phase.

The pre-swing phase is characterized by a shift in weight to the opposite leg while the foot of the stance leg begins to lift from the ground. The 20 degrees of plantarflexion allows for optimal push-off strength and contributes to the overall efficiency of the gait cycle by maximizing the elastic potential from the calf muscles. This action ensures that the body's center of gravity can move forward smoothly, facilitating the transition into the swing phase where the foot is lifted off the ground and brought forward.

Understanding this positioning is vital for professionals involved in gait analysis, orthotic fabrication, and rehabilitation, as it can influence the design of devices intended to support or enhance locomotion.