Hamstring and Quads Running - ?
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Questions and Answers

During which phase of running are the quadriceps active for a longer period of time compared to walking?

  • Swing phase
  • Stance phase
  • Propulsion phase
  • Absorption phase (correct)
  • What type of work do the quadriceps provide during running?

  • Positive work
  • Negative work (correct)
  • Both positive and negative work
  • No work
  • What is the function of the rectus femoris during running?

  • Controls hip extension
  • Controls knee flexion (correct)
  • Controls ankle dorsiflexion
  • Controls plantar flexion
  • What is the role of the hamstrings during the propulsion phase of running?

    <p>Hip extension</p> Signup and view all the answers

    When does the first activity burst of the quadriceps occur during running?

    <p>At the start of absorption phase</p> Signup and view all the answers

    What is the function of the hamstrings during the absorption phase of running?

    <p>Knee flexion</p> Signup and view all the answers

    What is the most active phase for the quadriceps during running?

    <p>Absorption phase</p> Signup and view all the answers

    What is the function of the rectus femoris during running?

    <p>Controls knee extension</p> Signup and view all the answers

    What is the role of the hamstrings during the center of mass movement in running?

    <p>Contraction</p> Signup and view all the answers

    During which phase does the second activity burst of the quadriceps begin?

    <p>Propulsion phase</p> Signup and view all the answers

    What is the function of the hamstrings during knee stabilization in running?

    <p>Knee flexion</p> Signup and view all the answers

    Study Notes

    • Quadriceps are active for longer during running than walking.
    • Quadriceps function from the last 20% of swing phase until the end of absorption phase during running.
    • Quadriceps provide more negative work than positive work during running.
    • Rectus femoris controls body's center of mass and knee flexion during running.
    • Hamstrings work as hip extensor during propulsion phase and assist quadriceps in knee stabilization during absorption phase.
    • Hamstrings co-contract with quadriceps as the center of mass moves forward.
    • Quadriceps peaks twice during running gait.
    • First activity burst occurs eccentrically at the start of the absorption phase.
    • Second activity burst begins at the end of propulsion after toe-off.
    • Quadriceps is most active during the first half of stance.

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    Description

    Test your knowledge on the complex role of quadriceps and hamstrings during running with this quiz! From controlling body movement to providing negative work, these muscles play a crucial part in the running gait. See how much you know about their activity peaks, co-contraction, and more. With keywords like quadriceps, hamstrings, running gait, and muscle function, this quiz is perfect for anyone interested in sports science or running mechanics.

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