Abstract
Introduction: Liver enzymes, such as alanine aminotransferase (ALT) and aspartate aminotransferase (AST), are commonly used markers of liver function and health. Exercise, particularly in terms of intensity and duration, can influence liver enzyme levels, reflecting the metabolic demands and stress placed on the liver during physical activity. This study aims to review the existing literature on the effects of exercise intensity and duration on changes in liver enzyme levels, providing insights into the impact of exercise on liver health.
Methodology: A systematic review of studies investigating the relationship between exercise intensity, duration, and changes in liver enzymes was conducted. Peer-reviewed articles were identified through comprehensive searches of electronic databases, focusing on interventions that assessed liver enzyme levels before and after various exercise protocols. Studies examining different exercise intensities, durations, and modalities were included to evaluate the impact of exercise on liver enzyme responses. Data synthesis and analysis were performed to identify patterns and trends in the alterations of liver enzymes following exercise.
Results: The review of studies revealed that exercise intensity and duration can influence liver enzyme levels, with variations observed in ALT, AST, and other markers. Prolonged or high-intensity exercise sessions have been associated with transient elevations in liver enzymes, indicating increased hepatic stress and metabolic demands. However, regular moderate-intensity exercise has shown to have a positive impact on liver health by potentially reducing liver enzyme levels over time.
Conclusions: Exercise intensity and duration play a significant role in modulating liver enzyme levels, reflecting the dynamic interplay between physical activity and hepatic function. While acute bouts of intense exercise may lead to temporary elevations in liver enzymes, consistent engagement in moderate-intensity exercise can contribute to improved liver health and potentially lower enzyme levels. Understanding the effects of exercise on liver enzymes is essential for optimizing training regimens and promoting overall metabolic health.