AFAA Personal Trainer Certification Practice Exam

What is the primary cause of shin splints?

1. Improper footwear

2. Repetitive impact loading activities

3. Lack of flexibility

4. Muscle imbalances

The correct answer is: Repetitive impact loading activities

The primary cause of shin splints is closely associated with repetitive impact loading activities. This condition often arises from high-impact exercises, particularly those that involve running or jumping on hard surfaces. When the body experiences frequent and intense impact, the muscles, tendons, and bone tissue around the shin become irritated and inflamed, leading to the characteristic pain of shin splints. In addition, repetitive stress can lead to microtears in the muscle and connective tissues, making them more susceptible to injury. This condition is especially common in individuals who suddenly increase their training intensity or frequency without allowing adequate time for recovery. While other factors like improper footwear, lack of flexibility, and muscle imbalances can contribute to the risk of developing shin splints, the fundamental cause is the repetitive stress from impact activities. Understanding this allows trainers to better advise their clients on injury prevention strategies, such as gradually increasing activity levels and incorporating proper recovery practices.