Stride Angle is formally defined as the angle of the parable

Stride Angle is formally defined as the angle of the parable tangent derived from the theoretical arc traced by a foot during a stride and the ground

What would be physically happening if a runner’s stride angle was 90 degrees?

What would be physically happening if a runner’s stride angle was 0 degrees?

Solution

1) At a slow walk there is a small angle between the legs, while at a fast run there is a much larger angle. At some particular speed the angle between the legs is 90^o.

2) it depends on the size, some times both angles have same stride length