Читать книгу Arthritis For Dummies - Barry Fox - Страница 19

You can find hinge joints in your elbows, knees, and fingers. These joints open and close like a door. But just like a door, hinge joints only go one way — you can’t bend your knee up toward your face, only back toward your rear. See Figure 1-3 for an example of a hinge joint.

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FIGURE 1-2: A gliding joint. The gliding joint helps keep your vertebrae aligned when you bend and stretch.

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FIGURE 1-3: A hinge joint. Hinge joints bend only one way.