Final answer:
Braces are important because they provide support for a weakened joint, giving stability and preventing further injury.
Step-by-step explanation:
Braces are important because they provide support for a weakened joint, like the knee or ankle, giving stability and preventing further injury. They also help in reducing pain and inflammation associated with joint problems. An example of braces providing support is when someone sprains their ankle and wears a brace to stabilize the joint and prevent it from further damage. Therefore, the correct answer is B. provide support for a weakened joint.
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