Outline TWO methods that could be used to measure heart rate responses during aerobic training. (3 marks)
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Sample Answer – Any 2 of the following
- Heart rate monitor with chest strap provides continuous, accurate recordings throughout the aerobic activity without requiring the participant to stop exercising.
- Manual pulse palpation at the wrist (radial artery) or neck (carotid artery) for 15 seconds multiplied by 4 gives a heart rate reading, though requires momentary pause in activity.
- Smartphone applications using the phone’s camera and flash to detect pulse through fingertip blood flow changes can provide heart rate measurements between exercise periods.
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Sample Answer – Any 2 of the following
- Heart rate monitor with chest strap provides continuous, accurate recordings throughout the aerobic activity without requiring the participant to stop exercising.
- Manual pulse palpation at the wrist (radial artery) or neck (carotid artery) for 15 seconds multiplied by 4 gives a heart rate reading, though requires momentary pause in activity.
- Smartphone applications using the phone’s camera and flash to detect pulse through fingertip blood flow changes can provide heart rate measurements between exercise periods.