Please choose the correct ending to complete the given sentence: Health: [header] How to treat avascular necrosis [title] Rest. [step] Decreasing the amount of stress and weight on the affected bones will result in a huge amount of pain relief, slow the damage rate, and give your body a chance to heal. Apart from physical therapy, make efforts to minimize your daily physical activity movement as much as possible.

Ending1: Consult your doctor to help decide if you need to start moving. The simple exercise of sitting up or standing during the day will reduce pain, and delaying the healing process can aid in your recovery process. Ending2: [substeps] Apply a weather shield or board to take it easy and sleep. You should also avoid strenuous activities that can put strain on the joints, such as walking, running, swimming, or lifting heavy furniture. Ending3: [substeps] You may need the aid of crutches or a walker if the affected joint is your hip, knee or ankle. Consider crutches an invitation to stay off your legs. Ending4: Include sleeping in, exercising, going to the gym, or making any lifestyle changes that make you feel good about your condition. This will help alleviate your damage and minimize your risk of developing avascular necrosis.

Answer format: ending1/ending2/ending3/ending4