Why do people plank?

People plank primarily to strengthen their core muscles, which include the abdominal, back, and pelvic muscles. This exercise enhances overall stability and posture, benefiting various physical activities and daily movements. Additionally, planking can improve endurance and flexibility, making it a popular choice for fitness enthusiasts looking for a quick yet effective workout. Lastly, the simplicity of the exercise, requiring no equipment, makes it accessible for many individuals.