Which term describes how long training lasts?

• A. Intensity
• B. Duration
• C. Reversibility
• D. Frequency

Answer: (B)

Duration is the measure of how long a training session or program lasts, usually counted in minutes or hours. This is separate from intensity, which is how hard you work; frequency, which is how often you train; and reversibility, which describes what happens to fitness when you stop training. So, the term describing how long training lasts is duration. For example, a 60-minute session has a longer duration than a 30-minute one, even if the effort feels different. You can adjust duration independently of intensity to influence endurance and overall training load.