Ball and socket joint – the rounded head of one bone sits within the cup of another, such as the hip joint or shoulder joint. Movement in all directions is allowed. ... Hinge joint – the two bones open and close in one direction only (along one plane) like a door, such as the knee and elbow joints.
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Answer:
Ball and socket joint – the rounded head of one bone sits within the cup of another, such as the hip joint or shoulder joint. Movement in all directions is allowed. ... Hinge joint – the two bones open and close in one direction only (along one plane) like a door, such as the knee and elbow joints.