Sprains and strains are common injuries, which we have all probably suffered at some stage in our lives. However, sprains and strains have different causes, affecting different parts of our body.
A sprain is a stretching or tearing of ligaments — the tough bands of fibrous tissue that connect two bones together in your joints. The most common location for a sprain is in your ankle. Wrist and thumb sprains are also common.
Sprains usually happen when a person falls, twists, or is hit in a way that forces the body out of its normal position.
A strain is a stretching or tearing of muscle or tendon. A tendon is a fibrous cord of tissue that connects muscles to bones. Strains can most often occur in the lower back and in the hamstring muscle in the back of your thigh.
Strains can be acute or chronic. An acute strain is caused by trauma or an injury such as a blow to the body; it can also be caused by improperly lifting heavy objects or over-stressing the muscles. Chronic strains are usually the result of overuse--prolonged, repetitive movement of the muscles and tendons.
Find out here about symptoms and treatment -