Question

1. what is the key difference between a sprain and a strain? sprains affect bones, while strains affect joints. strains are more painful than sprains. sprains involve ligaments, while strains involve muscles or tendons. sprains heal faster than strains. 2. which of the following is a common cause of sprains? lifting light objects properly. sleeping in the wrong position. twisting or overstretching a joint. sitting in an uncomfortable chair. 3. what is the primary purpose of the rice method? to treat fractures. to reduce pain and swelling and promote healing. to replace the need for medical attention. to diagnose an injury.

Explanation:

1. A sprain is an injury to a ligament (bands that connect bones to other bones), while a strain is an injury to a muscle or tendon (connects muscle to bone).
2. Twisting or over - stretching a joint is a common cause of sprains as it puts excessive stress on the ligaments.
3. The RICE method (Rest, Ice, Compression, Elevation) is used to reduce pain and swelling and promote healing of soft - tissue injuries like sprains and strains.

Answer:

1. Sprains involve ligaments, while strains involve muscles or tendons.
2. Twisting or overstretching a joint.
3. To reduce pain and swelling and promote healing.