This device measures an athlete's rate of acceleration, which is ...

[kaid0807]

This device measures an athlete's rate of acceleration, which is one way of monitoring body functions during sport and exercise activities.
 
  What will be an ideal response?

Question 2

These devices are especially effective for providing students with feedback as to whether they are in their target heart rate zones and benefiting from the training effect for cardiorespiratory endurance.
 
  What will be an ideal response?

[verrinzo]

Answer to Question 1

accelerometers

Answer to Question 2

heart rate monitors

[kaid0807]

Thanks for the timely response, appreciate it

[FergA]

Great answer, keep it coming