Taking an exercise every day has become a routine for most people nowadays. People who engage themselves constantly to sporting and fitness exercises do it for the purpose of staying sound and 41 . Because forming an exercise habit is essential for maintaining our good health, the kind of exercise we take and the likely effects each has on us cannot be 42 . Therefore, before involving yourself in any fitness activity, it is always wise to be aware of the 43 between high-impact and low-impact exercises and choose the ones that fit you. The term, impact, denotes the force that might 44 on your bones and joints when you participate in a physical activity. As a result, knowing whether your exercise is low- or high-impact is key to minimizing the possible 45 . In addition, this also helps maximize the achieving goals of exercise. (Question 42)