Final answer:
A muscle strain, also known as a pulled muscle or torn muscle, would necessitate a call to a doctor.
Step-by-step explanation:
A muscle strain, also known as a pulled muscle or torn muscle, would necessitate a call to a doctor. Muscle strains occur when muscle fibers tear as a result of overstretching, and the severity of the strain can range from mild to extremely painful. Symptoms of a muscle strain include pain, stiffness, and bruising in the affected area.