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Feedback and Motor Control

Feedback technology and performance analysis

  • 3 things to know
  • Component 2

Overview

Video analysis, GPS trackers, heart rate monitors, force plates, wearable sensors and performance analysis software, objective data and its limits, instant replay for a gymnast, electronic timing and concurrent feedback for a rower.

What you need to know

Answer each one before you reveal it.

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Key term

How does video analysis provide feedback?

Key term

What types of feedback does video analysis give?

Key term

How do GPS trackers provide feedback in team sports?

Questions from this subtopic

Each one with the model answer underneath.

  1. 1

    How does video analysis provide feedback?

    Model answer

    Video lets a performer watch their own technique, often in slow motion or frame by frame. The performer can compare it with an elite model.

  2. 2

    What types of feedback does video analysis give?

    Model answer

    Video gives extrinsic knowledge of performance. Video feedback is usually terminal, although pitch-side replay can make it almost immediate.

  3. 3

    How do GPS trackers provide feedback in team sports?

    Model answer

    GPS units worn in a vest record distance covered, speed and the number of sprints. Coaches use the data as knowledge of results on workload.

  4. 4

    How can a heart rate monitor give concurrent feedback?

    Model answer

    A heart rate monitor displays heart rate live during exercise. A runner can adjust pace to stay in the target training zone.

  5. 5

    What feedback does a force plate provide?

    Model answer

    A force plate measures the size and timing of the ground reaction force. A sprinter can see how powerful the drive from the blocks was.

  6. 6

    How can wearable sensors help a performer?

    Model answer

    Sensors in a watch, bat or insole record data such as stroke rate or impact force. The data gives objective feedback without a coach present.

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AThe training zone is 136 to 158 bpm.
BHeart rate reserve = (220 − 40) − 70 = 110 bpm.
CLower limit = (110 × 0.6) + 70 = 136 bpm.

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