How is flexibility best improved?

Flexibility is primarily improved through consistent stretching routines because these practices specifically target the muscles and connective tissues that contribute to joint range of motion. Stretching helps to elongate muscles, increase blood flow, and enhance overall mobility and flexibility. Engaging in regular stretching not only aids in muscle recovery but also prevents injuries by preparing the muscles for various movements.

Incorporating various types of stretching, such as dynamic stretching before workouts and static stretching afterward, enhances flexibility over time. Also, disciplines like yoga and Pilates are designed around stretching and promoting flexibility, making them effective methods for improvement.

Other options do not directly enhance flexibility. Lifting heavy weights tends to focus on building muscle strength rather than extending or improving muscle length. Cardio workouts primarily enhance cardiovascular endurance instead of flexibility. A high-fat diet, while potentially related to other aspects of health, has no beneficial impact on muscle elasticity or joint flexibility.