Final answer:
Administering a hot soak to the arm can help alleviate arm pain by promoting blood flow and relaxation of the muscles.
Step-by-step explanation:
Administering a hot soak to the arm can help alleviate arm pain by promoting blood flow and relaxation of the muscles. Heat therapy, such as a hot soak, can increase circulation to the affected area, which can help reduce inflammation and promote healing. It can also provide temporary pain relief by blocking pain signals and promoting relaxation.