ACSM Personal Trainer Certification Practice Exam 2026 – All-in-One Study Resource to Achieve Certification Success!

A significant change in the electrocardiogram (EKG or ECG) is classified as an absolute contraindication because it indicates a high risk for adverse events during exercise testing or physical activity. When these significant changes are observed, they can suggest serious underlying cardiovascular conditions, such as ischemia or arrhythmias. This classification means that exercise should not be performed until the issue is thoroughly evaluated and resolved by a healthcare professional.

In contrast, other classifications, such as relative contraindications or flexible contraindications, may allow for exercise testing or activity under certain conditions or with precautions in place, often depending on the specific situation and the individual’s overall health status. However, when it comes to significant EKG changes, the concern for safety is paramount, making it necessary to classify it as an absolute contraindication. This precaution protects individuals from the potential risks associated with exercising while experiencing these serious cardiac concerns.