Kinetics of Muscle Contraction
16 Questions
3 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the term for the force exerted on the body that translates a body segment?

  • Moment arm
  • Torque (correct)
  • Linear force
  • External load
  • What type of muscle contraction occurs when the muscle produces a pulling force while maintaining a constant length?

  • Isometric (correct)
  • Eccentric
  • Isotonic
  • Concentric
  • What is the role of an agonist muscle?

  • To cooperate during the execution of a particular movement
  • To execute a particular movement (correct)
  • To oppose the action of a particular movement
  • To elongate a muscle during contraction
  • What is the term for the distance between the axis of rotation and the force?

    <p>Moment arm</p> Signup and view all the answers

    What type of muscle contraction occurs when the muscle produces a pulling force as it is being elongated by another more dominant force?

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

    What is the role of an antagonist muscle?

    <p>To oppose the action of a particular movement</p> Signup and view all the answers

    What is the term for the internal forces generated by tension in stretched periarticular connective tissues?

    <p>Passive force</p> Signup and view all the answers

    What type of muscle contraction occurs when the muscle produces a pulling force as it contracts (shortens)?

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

    What is the primary source of internal forces within the body?

    <p>Stimulated muscle</p> Signup and view all the answers

    What is the result of the product of a force and its moment arm?

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

    Which type of muscle contraction occurs when the muscle torque is equal to the external load?

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

    What is the role of synergistic muscles during movement?

    <p>To cooperate during the movement</p> Signup and view all the answers

    What is the term for the muscle group that is most directly related to the execution of a particular movement?

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

    What is the primary difference between active and passive internal forces?

    <p>Source of the force</p> Signup and view all the answers

    What determines the direction of muscle torque?

    <p>Moment arm</p> Signup and view all the answers

    What is the relationship between muscle torque and external load in concentric muscle contraction?

    <p>Muscle torque is greater than the external load</p> Signup and view all the answers

    More Like This

    Muscle Contraction: Cross Bridge Cycle
    4 questions
    Muscle Contraction and Anatomy Quiz
    19 questions
    Muscle Function and Contraction Quiz
    30 questions
    Use Quizgecko on...
    Browser
    Browser