Problem
Give a thorough explanation of the figure from this article showing the results with the use of the technique to address the research question, research hypothesis, and prediction. Using axes and different groups.
• Research question: Can resistance training enhance both the quantity and quality of muscle in middle-aged and older individuals and if so, through what mechanism?
• Research hypothesis: Resistance training enhances muscle mass and strength in middle-aged and older adults by enhancing the change in the cross-sectional area of thigh muscle (CSA)
• Prediction: If resistance training is performed with higher intensity, it leads to a greater enhancement of the change in the cross-sectional area of thigh muscles over time.