Final answer:
Applying a warm compress to an ankle muscle sprain is indicated to relieve edema and improve blood flow to the injured part.
Explanation:
option 1 and 3 are correct
- Relieve edema: Applying a warm compress to an ankle muscle sprain can help reduce swelling and edema.
- Improve blood flow: Warmth from a compress can increase blood flow to the injured part, promoting healing.