Which type of exercise primarily helps improve cardiovascular endurance?

Running and cycling are both aerobic exercises, which means they engage large muscle groups and increase heart rate over an extended period. This category of exercise is specifically designed to enhance the efficiency of the cardiovascular system, including the heart, lungs, and blood vessels. By participating in these types of activities, individuals can improve their overall cardiovascular endurance, allowing them to perform physical activities for longer durations without fatigue.

In contrast, weightlifting mainly focuses on building muscular strength and size through resistance training. While it can provide some cardiovascular benefits, it does not primarily target endurance in the same way that running and cycling do. Yoga can promote flexibility, balance, and mindfulness, contributing to overall fitness, but it also doesn't focus on cardiovascular endurance as its primary goal. Stretching routines are primarily intended for enhancing flexibility and do not engage the cardiovascular system significantly.