Which of the following describes an effect of vapocoolant sprays?

Vapocoolant sprays are commonly used in physical therapy and rehabilitation settings primarily for their ability to provide rapid cooling of the skin and underlying tissues. One of their notable effects is the reduction of muscle spasms. When vapocoolant is applied to a specific area, the low temperature can lead to a temporary decrease in muscle tone and excitability, which effectively helps relieve muscle spasms.

This cooling effect can interrupt the pain-spasm-pain cycle, allowing the muscles to relax and providing the patient with immediate symptomatic relief. As a result, vapocoolant sprays are often used in conjunction with stretching or other therapeutic modalities to further enhance muscle recovery and improve range of motion.

While the other options may seem plausible, they do not accurately capture the key therapeutic effects associated with vapocoolant sprays. For instance, they do not completely inhibit nerve activity nor do they merely have a minimal impact on the skin surface. Instead, their primary use is in alleviating muscle spasms and facilitating a more productive therapy session.