Question

1. which of the following helps prevent sprains and strains? stretching after an activity only. exercising without warming up. warming up and wearing proper footwear with good support. using worn - out footwear during activities. 8. how long should you apply ice to a sprain or strain during the initial treatment? until the swelling goes away completely. 15 - 20 minutes every 2 - 3 hours. 5 minutes continuously. 30 - 45 minutes continuously.

Explanation:

For question 7, warming - up prepares the body and proper footwear provides support to prevent sprains and strains. Stretching only after activity is not enough, exercising without warming - up increases risk, and worn - out footwear is bad for joints. For question 8, applying ice 15 - 20 minutes every 2 - 3 hours helps reduce swelling and pain without causing tissue damage. Applying ice until swelling completely goes away may cause harm, and 5 minutes is too short while 30 - 45 minutes continuously can damage tissue.

Answer:

1. Warming up and wearing proper footwear with good support.
2. 15 - 20 minutes every 2 - 3 hours.