Which of the following does not improve performance in sports?
a. strength and endurance training
b. speed and agility training
c. communication training
d. visualization training

Aproper cool-down routine includes which of the following? a). eating a good-sized meal b. five to 10 minutes of slow walking or jogging and stretching c). less than 5 minutes of cool-down stretches d). sprinting or other strenuous exercise