What type of exercise is recommended for improving muscle tone in rehabilitation?

Strength training is recommended for improving muscle tone during rehabilitation because it specifically targets muscle contractions that help increase muscular strength, size, and endurance. By involving resistance exercises, this form of training promotes muscle growth and helps individuals regain or enhance their physical capabilities after an injury or surgery.

Strength training not only aids in muscle tone improvement but also plays a crucial role in enhancing bone density and overall functional strength, which is vital for rehabilitation efforts. Other types of exercise, such as aerobic exercises, focus primarily on cardiovascular health and endurance; passive exercises are used to maintain joint flexibility and prevent stiffness, but they do not actively strengthen the muscles. Flexibility routines are aimed at improving the range of motion but do not contribute directly to muscle tone enhancement. Therefore, strength training is the most effective choice among the options provided for achieving the goal of improved muscle tone in a rehabilitation setting.