Expert Video: Personal trainer Harry Matthews explains why muscles needs to be trained evenly.

This video highlights the importance of balanced muscle training, emphasising the relationship between agonist and antagonist muscles to prevent joint stiffness, poor posture, and injuries. It illustrates how neglecting opposing muscle groups can lead to imbalances that affect movement, posture, and overall health, especially in relation to training patterns and functional movement. Learners will gain insight into effective exercise strategies that promote muscular harmony and injury prevention.