An inadequate warm-up can lead to significant consequences, including increased risk of injury and decreased exercise performance. Without a proper warm-up, the body does not adequately prepare for intense physical activity, which can cause strains, sprains, and muscle tears. It also affects flexibility and range of motion, potentially leading to discomfort during workouts. Additionally, warming up increases blood flow and oxygen delivery to muscles, enhancing overall exercise efficiency. Neglecting this essential phase can result in suboptimal results and longer recovery times. Thus, incorporating a thorough warm-up should be a priority in any fitness regimen.