Final answer:
Heat applications, such as microwave diathermy and ultrasound diathermy, can provide therapeutic benefits for various conditions like muscular pains, spasms, tendonitis, and rheumatoid arthritis. Heat packs and warm baths can also be used to draw blood to injured areas and aid with sore muscles.
Step-by-step explanation:
Heat applications can have various therapeutic effects on the body. For example, microwave diathermy, which utilizes microwaves to generate deep heating in tissues, can be used to treat muscular pains, spasms, tendonitis, and rheumatoid arthritis. Ultrasound diathermy, on the other hand, involves the use of high-intensity ultrasound to provide deep-heat treatments for injured or overworked muscles, relieving pain and improving flexibility. Additionally, heat packs or warm baths can be applied to draw blood to injured areas, enhance healing, and help with sore muscles.