Anatomy: Identification of Skeletal Muscle Structures
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Questions and Answers

Which characteristic of muscle tissue describes the ability to generate force and create tension?

  • Elasticity
  • Contractility (correct)
  • Hypertrophy
  • Atrophy
  • What is the term used for a decrease in myofibrils or fiber diameter due to a lack of physical activity?

  • Elasticity
  • Atrophy (correct)
  • Extensibility
  • Hypertrophy
  • Which characteristic of muscle tissue refers to its ability to be stretched beyond its normal resting length?

  • Contractility
  • Atrophy
  • Hypertrophy
  • Elasticity (correct)
  • What is the term used for an increase in myofibrils or fiber diameter due to an increase in activity or training?

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

    In muscle tissue, what is the role of capillaries?

    <p>Supply blood to the tissues</p> Signup and view all the answers

    What happens at neuromuscular junctions?

    <p>Neurons and muscle fibers communicate</p> Signup and view all the answers

    What is the function of the origin in relation to movement?

    <p>To act as the base for movement</p> Signup and view all the answers

    Which term is used for the point of attachment of a muscle tendon to a stationary bone?

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

    What describes the attachment of the biceps brachii to the radius?

    <p>Both I and II</p> Signup and view all the answers

    When a flexion of the elbow occurs, where is the deltoid muscle positioned?

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

    Which bone serves as the insertion when discussing muscle attachments?

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

    What is defined as the attachment of a muscle to a moving bone?

    <p>Insertion only</p> Signup and view all the answers

    What is the definition of the origin of a muscle?

    <p>The bone that normally stays fixed</p> Signup and view all the answers

    What is the definition of the insertion of a muscle?

    <p>The moveable bone</p> Signup and view all the answers

    Which attachment point of a muscle usually stays fixed?

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

    What is attached to the origin of a muscle?

    <p>Proximal attachment</p> Signup and view all the answers

    Which term refers to the more distal attachment point of a muscle?

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

    In terms of muscle anatomy, what does 'proximal' usually refer to?

    <p>Closer to the body or point of reference</p> Signup and view all the answers

    What is the main body of a muscle responsible for?

    <p>Contracting when the opposite muscle relaxes</p> Signup and view all the answers

    Where does the muscle attach that moves the bone?

    <p>Site of muscle's attachment to a stationary bone</p> Signup and view all the answers

    What is the learning outcome related to identifying skeletal muscles?

    <p>Identifying muscles in various body regions</p> Signup and view all the answers

    When should one be able to label quadriceps and calf muscles?

    <p>For specific sporting movements</p> Signup and view all the answers

    What is the purpose of sticking post-it notes with muscle names on a partner's body?

    <p>To locate where specific muscles belong on the body</p> Signup and view all the answers

    What is the main function of skeletal muscle?

    <p>Moving the skeleton</p> Signup and view all the answers

    What is the outermost layer that surrounds the entire muscle?

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

    What are muscles composed of?

    <p>Fibers arranged in fascicles</p> Signup and view all the answers

    What structure is found within muscle cells and contains muscle fibers?

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

    Which connective tissue layer surrounds each individual muscle fiber?

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

    What are the three types of connective tissue in muscles?

    <p>Fascia, perimysium, endomysium</p> Signup and view all the answers

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