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Applied Anatomy and Physiology

Joints and the movements they allow

  • 3 things to know
  • Component 1

Overview

Pivot, hinge, ball and socket and condyloid joints, why each allows the range it does, and flexion, extension, abduction, adduction, rotation, circumduction, plantar-flexion and dorsi-flexion.

What you need to know

Answer each one before you reveal it.

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Key term

What is a joint?

Key term

Which type of joint is formed by the atlas and axis, and what movement does it allow?

Key term

Name the three hinge joints and the movements they allow.

Questions from this subtopic

Each one with the model answer underneath.

  1. 1

    What is a joint?

    Model answer

    A joint is a place where two or more bones meet.

  2. 2

    Which type of joint is formed by the atlas and axis, and what movement does it allow?

    Model answer

    The atlas and axis form a pivot joint in the neck. A pivot joint allows rotation, such as turning the head to track the ball.

  3. 3

    Name the three hinge joints and the movements they allow.

    Model answer

    The elbow, knee and ankle are hinge joints. A hinge joint allows flexion and extension, and the ankle allows plantar-flexion and dorsi-flexion.

  4. 4

    Name the two ball and socket joints.

    Model answer

    The hip and the shoulder are ball and socket joints.

  5. 5

    Why does a ball and socket joint allow the widest range of movement?

    Model answer

    The rounded head of one bone fits into a cup-shaped socket in another. The joint can move in every direction: flexion, extension, abduction, adduction, rotation and circumduction.

  6. 6

    Which type of joint is the wrist, and what movements can it perform?

    Model answer

    The wrist is a condyloid joint. A condyloid joint allows flexion, extension, abduction, adduction and circumduction, but not rotation.

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