If you keep the positive look like are keeping healthy by exercising. When talking about your fitness level, proper nutrition, supplements, cardio, and weight training are all important factors, but it is your attitude that determines how hard you focus on each of those areas. Attitude is very important just keep your attitude positive.
"Shin splints" or medial tibial stress syndrome.
Wearing wornout shoes, along with all of the impact from triple jump and the poor flexibility, eventually leads to differences in movement. This leads to shin splints