Comparing the theory with Kitasan Black's past training situation, Anjing Zhen watched as she completed the first lap.
"Alright, take a break. You did well that lap."
Nodding in satisfaction, Anjing Zhen added with concern, "How is it? Does the right side of your body feel uncomfortable?"
"Hehe, I felt really comfortable running just now too."
Kitasan Black replied with a smile, rubbing her right shoulder and lifting her right leg.
"The right side... feels fine. Is there a problem, Trainer?"
"You switched incorrectly during your second Gradient Acceleration."
Shaking his head, Anjing Zhen began drawing a diagram on the tablet he carried with him.
"I told you before that continuously using the same lead leg would put too much strain on the muscles on one side.
"You should have switched to leading with your left leg at the Third Turn, but you didn't switch to your right leg beforehand, then switched back to the left when entering the turn.
"Changing lead legs isn't just for speed. It also balances the load on your body and slows the accumulation of fatigue in the muscles on one side. You need to remember that."
Looking at the hand-drawn sketch on the tablet screen and recalling what had happened, Kitasan Black grew apologetic.
"I guess so... Sorry, Trainer. Running felt so good that I didn't notice."
"There's nothing to apologize for." Anjing Zhen smiled. "This is your first time combining all these techniques, so you're just not used to it yet.
"I said it earlier too—you did well that lap.
"But you'll need to pay attention during the next exercises.
"Assuming you use all the tactics from that training session, you'll need to switch lead-leg sets at least three times between taking position and the two Gradient Accelerations. That makes six switches.
"Adding