What differentiates a muscle spasm from a muscle cramp?

The correct answer highlights that both muscle spasms and muscle cramps are involuntary contractions, but they differ in their underlying triggers and characteristics. Muscle spasms are often associated with trauma or injury, where specific muscle fibers react by contracting involuntarily. In contrast, muscle cramps can occur due to a variety of factors such as dehydration, electrolyte imbalances, or prolonged physical activity. While spasms might last longer than cramps, the key differentiation lies in the typical association of spasms with trauma, making option C the most accurate statement regarding their distinctions.

This distinction helps in understanding the clinical approach to each condition, ensuring appropriate management strategies are employed based on whether one is dealing with a muscle spasm or a muscle cramp. Recognizing the source of the contraction can provide insights into treatment options, such as stretching, hydration, or addressing any underlying injury conditions.