Core Muscles and Stability
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Questions and Answers

What is the core of the body described as?

  • A circulatory system with the heart as the roof
  • A nervous system with the brain as the center
  • A skeletal box with muscles
  • A muscular box with the abdominals in the front (correct)

    • What is the primary function of the core muscles?

  • To support the movement of the hips
  • To control the movement of the spine
  • To move the arms and legs
  • To produce maximum stability in the abdominal and lumbar region (correct)

    • What is the term 'core stability' commonly used to refer to?

  • The ability of the core muscles to control the movement of the legs
  • The ability of the core muscles to move the spine
  • The ability of the core muscles to stabilize the lumbar spine and pelvic girdle (correct)
  • The ability of the core muscles to support the movement of the arms

    • What type of muscle fibers are primarily found in the local muscle system?

    <p>Slow-twitch fibers</p> Signup and view all the answers

    What is the purpose of core stability training?

    <p>To challenge the stability of the spine while training muscle activity patterns and postures</p> Signup and view all the answers

    What is the name of the muscle that is included in the local stabilizing muscles?

    <p>Transversus abdominus</p> Signup and view all the answers

    Study Notes

    Core Muscles

    • The core can be described as a muscular box with the abdominals in the front, paraspinals and gluteals in the back, the diaphragm as the roof, and the pelvic floor and hip girdle musculature as the bottom.

    Components of the Core

    • The core is comprised of several groups of muscles including the transversus abdominus, multifidus, diaphragm, and pelvic floor muscles.

    Function of Core Muscles

    • These muscles work together to produce maximum stability in the abdominal and lumbar (lower) back region, as well as coordinate the movement of the arms, legs, and spine.

    Core Stability

    • The term “core stability” refers to the ability of these “core” muscles to stabilize the lumbar spine and pelvic girdle during static postures and dynamic movements.
    • Core stability training is a form of training that challenges the stability of the spine while training muscle activity patterns and postures that ensure sufficient stability without unnecessarily overloading the tissue.

    Lumbar Stabilizing Muscles

    • The lumbar stabilizing muscles are divided into local and global muscles, based on their role in stabilizing the trunk.

    Types of Muscle Fibers

    • Two types of muscle fibers comprise the core muscles:
    • Slow-twitch fibers: primarily make up the local muscle system (the deep muscle layer), suited for controlling intersegmental motion and responding to changes in posture and extrinsic loads.
    • The local stabilizing muscles include the transversus abdominus, multifidus, and other muscles.

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    Description

    Learn about the core muscles, their components, and functions in producing maximum stability in the abdominal area.

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