Final answer:
To increase flexibility, yoga is the recommended physical activity due to its focus on stretches and postures that lengthen and stretch often neglected muscles.
Step-by-step explanation:
Among the options provided, I would recommend Yoga as the physical activity for a patient needing to increase their flexibility. Yoga consists of diverse poses and stretches that improve not only flexibility but also strength and balance. These postures, called asanas, lengthen and stretch muscles that are often neglected in other forms of exercise. Activities like kickboxing, weight-lifting, Zumba, and running can definitely be beneficial for overall fitness, but for the specific goal of increasing flexibility, yoga tends to be one of the most effective.
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