What type of exercise is primarily focused on enhancing muscle strength?

Resistance training is primarily focused on enhancing muscle strength because it involves activities that require muscles to work against an external force. This can be achieved through various forms of resistance, such as weights, resistance bands, or body weight. The primary goal of resistance training is to improve the ability of muscles to exert force, which can lead to increased muscle mass, improved endurance, and overall functional strength.

In contrast, aerobic exercise is designed to improve cardiovascular fitness and endurance through sustained activities that elevate heart rate, flexibility training focuses on increasing the range of motion in the joints and muscles, and balance activities aim to enhance stability and coordination. While all these forms of exercise contribute to overall fitness, resistance training specifically targets muscle strength enhancement.