Which scenario is considered a barrier to exercise?

An injury that prevents a person from exercising is a significant barrier to physical activity. When someone is injured, they may experience pain, limited mobility, or a physician's advice to refrain from certain activities. This makes it difficult, if not impossible, to engage in regular exercise. Barriers to exercise can include physical limitations, lack of time, motivation, resources, or support, but a physical injury is a direct obstacle that hinders participation in a workout routine.

In contrast, the other scenarios reflect positive support or capability regarding exercise. Being able to perform daily exercise, having a strong support system, and completing an exercise routine consistently all contribute to a person's ability to participate in physical activity rather than impede it. These factors typically enhance motivation and accessibility to incorporate exercise into one’s lifestyle.