What is the fine-grained topic of the following text: The Physio Nikki Socks should be used by active people who experience discomfort in their muscles, tendons, ligaments, and joints due to overuse, general exercise, or common injuries such as ankle sprains, shin splints and any conditions that decrease blood flow in your legs. Only return the topic.
Use and benefits of Physio Nikki Socks for active people and injury recovery