Question

describe the purpose and use of the talk test.

Explanation:

The talk test is used to estimate exercise intensity. Its purpose is to gauge if the intensity of physical - activity is in an appropriate aerobic range. During the test, if a person can talk but not sing during exercise, it generally indicates a moderate - intensity aerobic activity. If they can barely talk, it may be a high - intensity activity.

Answer:

The purpose of the talk test is to estimate exercise intensity. It is used by determining if a person can talk, talk easily, or can barely talk during physical activity to gauge whether the activity is of low, moderate, or high intensity respectively.