Both Kyla and Tia will be in their zone. Even if they dicrease their heart rates by 20 beats per minute from 175 beats per minute. 155 beats per minute still falls under kyla's target heart rate zone and Tia's target heart rate zone.
You didn't really provide Kyle's BMI? But given the fact that his BMI is less than 25 but latger than 18, it would mean that he is in a healthy range, meaning his BMI not really posing considerable risk to him.
However, if his BMI is higher than 25, that would mean that he is likely to suffer from different conditions, related to being overweight.
Answer:
helps with your balance and posture
