Final answer:
When choosing an exercise video, you should consider if there is a warm-up and cool-down, if the exercises are safe and match your skill level, and the author's credentials.
Step-by-step explanation:
When choosing an exercise video, there are several factors to consider:
- If there is a warm up and cool down: A good exercise video should include a proper warm-up session to prepare your body for the workout and a cool-down session to gradually bring your heart rate back to normal.
- If the exercises are safe and match your skill level: It is important to choose a video that offers exercises that are safe for your body and match your current fitness level. Trying exercises that are too challenging can lead to injuries.
- The author's credentials: It is advisable to check the credentials and qualifications of the author or instructor who created the exercise video. Look for someone certified by reputable fitness organizations to ensure you are following expert guidance.
Considering all these factors is important to make sure you have a safe and effective workout experience. Therefore, the correct answer is (D) All of these.