Physicians determine preventative care screenings depending upon a persons age.
Answer: Crunches target the rectus abdominis and other abdominal muscles. An ab crunch machine is designed to strengthen the abdominal muscles. Wearing compression underwear can give the stomach a more toned appearance. Ab crunches are a great exercise for people looking to shed weight
Explanation:
Ruunig and it is this becasue it makes your muscles retrct over and over agin
I believe the correct answer is B. Spread by contact.