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Elevating and resting the knee is recommended for knee injuries as it helps reduce swelling and promotes healing. When the injured knee is elevated, it minimizes blood flow to the area, which can alleviate pain and discomfort associated with inflammation. Additionally, resting the knee prevents further injury by allowing the tissues to recover without unnecessary strain.

Applying direct pressure may be useful for controlling bleeding, but it does not specifically address the overall care needed for a knee injury. Keeping the knee in a bent position can lead to stiffness and may not be advisable, especially if the injury involves damage to ligaments or cartilage that requires stabilization. Moving the knee to assess for injury can worsen the situation by causing additional damage or increasing pain, so it is important to limit movement as much as possible during initial care. Elevating and resting the knee is the most effective approach to manage the injury appropriately.