(i) Ball and socket (ii) Hinge (iii) Pivot
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The correct option is (ii) Hinge.
The knee and ankle bend in one direction, like a door hinge, so they are hinge joints.
← Back to concept: 3.5.2 Hinge jointQuestions at the end of the chapter
Questions at the end of the chapter
Last updated at June 28, 2026 by Teachoo
The correct option is (ii) Hinge.
The knee and ankle bend in one direction, like a door hinge, so they are hinge joints.
← Back to concept: 3.5.2 Hinge joint