CH 6: Human Locomotion
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Questions and Answers

What is the main function of tendons in the body?

  • To provide nutrition to muscles
  • To produce energy for muscles
  • To convert muscle contraction into bone movement (correct)
  • To support body weight

    • How do tendons contribute to energy efficiency during locomotion?

  • By storing and releasing energy (correct)
  • By producing additional energy
  • By increasing the workload on muscles
  • By absorbing energy

    • What is the role of antagonistic muscles?

  • To work in opposition to each other (correct)
  • To produce energy
  • To cause friction between bones
  • To provide stability

    • How do antagonistic muscles enable smooth and controlled movements?

    <p>By one muscle contracting while the other relaxes (C)</p> Signup and view all the answers

    What is the primary function of cartilage at joints?

    <p>To facilitate smooth and efficient movement (C)</p> Signup and view all the answers

    How does cartilage help protect bones within a joint?

    <p>By forming the joint capsule (C)</p> Signup and view all the answers

    What is the composition of tendons?

    <p>Fibrous connective tissue (B)</p> Signup and view all the answers

    What is the function of the biceps and triceps in the arm?

    <p>To control the bending and extending of the elbow joint (A)</p> Signup and view all the answers

    What is the primary function of bones in human locomotion?

    <p>To provide structural framework and support (D)</p> Signup and view all the answers

    Which type of joint enables a wide range of movements such as bending, twisting, and extending?

    <p>Synovial joints (D)</p> Signup and view all the answers

    What is the primary role of ligaments in joints?

    <p>To provide stability and prevent excessive movements (A)</p> Signup and view all the answers

    How do bones resist deformation under stress during activities like running or jumping?

    <p>By having significant resistance to deformation (C)</p> Signup and view all the answers

    What is the main factor that allows bones to distribute mechanical loads efficiently?

    <p>The arrangement of bones in the skeleton (B)</p> Signup and view all the answers

    Which of the following does not play a pivotal role in human locomotion?

    <p>Nerves (A)</p> Signup and view all the answers

    Why do synovial joints have a cavity filled with fluid?

    <p>To aid in smooth movement and reduce friction (A)</p> Signup and view all the answers

    Why are bones critical for locomotion?

    <p>To facilitate support and the ability to bear weight (A)</p> Signup and view all the answers

    What is the primary function of ligaments in joints?

    <p>To provide stability to the joints by preventing excessive movements (C)</p> Signup and view all the answers

    How do synovial joints enable a wide range of movements?

    <p>By featuring a cavity filled with fluid that aids in smooth movement (A)</p> Signup and view all the answers

    What is the main role of joints in locomotion?

    <p>Connect bones and allow for their movement relative to each other (C)</p> Signup and view all the answers

    How do ligaments contribute to maintaining proper alignment of joints?

    <p>By providing stability to the joints (D)</p> Signup and view all the answers

    What is the purpose of bones being designed to have resistance to deformation under stress?

    <p>To provide support even during activities involving heavy loads (D)</p> Signup and view all the answers

    What role do tendons play in muscle contraction and bone movement?

    <p>They act as a mechanical link between muscles and bones to ensure precise and effective movements. (C)</p> Signup and view all the answers

    How do antagonistic muscles facilitate smooth and controlled movements?

    <p>By coordinating their contraction and relaxation, creating a balanced force on the joint. (B)</p> Signup and view all the answers

    What is the primary function of cartilage in joints?

    <p>To reduce friction and distribute loads evenly across the joint. (A)</p> Signup and view all the answers

    How do tendons contribute to energy efficiency during locomotion?

    <p>By storing and releasing energy, particularly in activities like running. (A)</p> Signup and view all the answers

    Which of the following does not play a pivotal role in human locomotion?

    <p>Liver (B)</p> Signup and view all the answers

    What is the main function of ligaments in joints?

    <p>To connect bones to other bones and provide joint stability. (A)</p> Signup and view all the answers

    Why do synovial joints have a cavity filled with fluid?

    <p>To reduce friction and cushion the joint. (D)</p> Signup and view all the answers

    How does cartilage help protect bones within a joint?

    <p>By reducing friction and distributing loads evenly across the joint. (A)</p> Signup and view all the answers

    What is the primary function of tendons in the human body?

    <p>Storing and releasing energy during locomotion (A)</p> Signup and view all the answers

    In human locomotion, which tissue acts as a cushion to distribute loads evenly across joints?

    <p>Cartilage (A)</p> Signup and view all the answers

    How do antagonistic muscles contribute to smooth and controlled movements?

    <p>By working against each other at joints (B)</p> Signup and view all the answers

    Which of the following is NOT a function of cartilage at joints?

    <p>Storing energy for muscle contraction (D)</p> Signup and view all the answers

    What is the role of the biceps and triceps in human movement?

    <p>Controlling bending and extending of joints (C)</p> Signup and view all the answers

    How do tendons contribute to reducing the workload on muscles during locomotion?

    <p>By storing and releasing energy efficiently (D)</p> Signup and view all the answers

    What is the primary function of antagonistic muscles working in pairs?

    <p>Enabling controlled movements at joints (B)</p> Signup and view all the answers

    How do tendons play a role in energy efficiency during locomotion?

    <p>By storing and releasing energy effectively (B)</p> Signup and view all the answers

    Which type of joint is least likely to be involved in a twisting motion during locomotion?

    <p>Hinge joint (C)</p> Signup and view all the answers

    What is the primary function of ligaments in joints during high-impact activities such as running or jumping?

    <p>Preventing excessive joint movements (B)</p> Signup and view all the answers

    Which component of the locomotor system plays the least significant role in protecting bones within a joint during movement?

    <p>Tendons (C)</p> Signup and view all the answers

    What is the primary role of the arrangement of bones in the skeleton during locomotion?

    <p>Providing structural support for the body (D)</p> Signup and view all the answers

    Which type of joint is most resistant to mechanical forces that could separate bones during movement?

    <p>Fibrous joint (D)</p> Signup and view all the answers

    What is the primary function of synovial fluid in joints during locomotion?

    <p>Enabling smooth and controlled movements (A)</p> Signup and view all the answers

    Which component of the locomotor system primarily functions to facilitate muscle contraction and bone movement?

    <p>Tendons (D)</p> Signup and view all the answers

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