And the peripheral nervous system
The answer is A. A tear of ligament.
Sprains and strains are common injuries and have common sign and symptoms such as pain, swelling and limited movement of affected part. These two are occur in different parts of the body. A sprain is a stretching or tearing of ligament, a connective tissue that connects two bones. Whereas, strain is tearing of muscle or tenon. Tendon a connective tissue that connects muscles to bone.
Maybe you can use your own ways that you do to reduce like taking a walk,watching a movie , organizing your closet , read a book , listen to music. etc
mental health....haha....