One thing to keep in mind is that Tellez is discussing top speed mechanics with maximum range of motion in hips and arms.
That’s not how your run a 400, especially young girls for whom the 400 is almost a middle distance event.
One thing to keep in mind is that Tellez is discussing top speed mechanics with maximum range of motion in hips and arms.
That’s not how your run a 400, especially young girls for whom the 400 is almost a middle distance event.