Biomechanics Quiz Questions Skeletal Functions (1).txt

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Biomechanics Quiz Questions Skeletal Functions (1).txt
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2013-11-04 02:35:14
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  1. A lever in which the fulcrum is located in between the force acting on the lever and the resistance is called a ________
    first class lever - FAR (isometric)
  2. A lever in the which the force acting on the lever is in between the fulcrum and the resistance is called a _______
    third class lever - AFR (concentric)
  3. A lever in the which the resistance acting on the lever is in between the fulcrum and the force is called a ______
    second class lever - ARF (eccentric)
  4. When you perform the concentric contraction phase of a biceps curl, the forearm functions as a _______
    third class lever - (AFR) concentric
  5. When you perform the eccentric contraction phase of a biceps curl, the forearm functions as a ______
    second class lever - ARF (eccentric)
  6. The joint that allows sliding planar movements between articulating bone surfaces is called ______
    gliding joints
  7. A joint which has the following characteristics "uniaxial, sagittal plane, medial-lateral axis" would be called a(n) ________ joint.
    hinge
  8. A joint which has the following characteristics (uniaxial, transverse plane, longitudinal axis) would be called a(n) _______ joint.
    pivot
  9. A joint which has the following characteristics "biaxial, one convex bone surface, one concave bone surface" would be called a(n) ______ joint.
    ellipsoidal
  10. A joint which has the following characteristics "biaxial, two concave bone surfaces" would be called a(n) ________ joint.
    saddle
  11. A joint which has the following characteristics "triaxial, one convex bone surface, one concave bone surface" would be called a(n) ______ joint.
    ball and socket
  12. Functionally, the elbow joint is a(n) _______ joint.
    hinge
  13. Functionally, the shoulder joints and the hip joints are ______ joints.
    ball and socket
  14. Functionally, the radioulnar joints are ______ joints.
    pivot
  15. Which of the following are characteristics of synovial joints?
    articular capsule

    synovial membrane

    articular cartilage
  16. Which of the following are functions of synovial fluid?
    lubricant

    reduces friction

    nutrient

    cleanser

    hydrostatic shock absorber
  17. Which of the following are functions of articular cartilage?
    improve bone-to-bone fit at joint

    increase joint stability

    reduce pressure when joint is loaded

    reduce friction and prevents wear

    some shock absorption
  18. Which of the following increase joint stability?
    bone-on-bone compression

    reciprocal convex and concave shapes of the articulating ends of bones

    articular cartilage

    fibrocartilage
  19. Which of the following is not a factor that affects joint flexibility (i.e., range of motion)?
    articulating bones

    ligaments

    bulkiness of soft tissues

    friction within the joint

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