Final answer:
The most therapeutic statement made by the nurse regarding mobility is to continue exercising joints regularly to an individual's tolerance level. This emphasizes the importance of regular exercise and personalized intensity for promoting mobility in elderly clients.
Step-by-step explanation:
The most therapeutic statement made by the nurse regarding mobility is: "Continue to exercise your joints regularly to your tolerance level." This statement promotes the importance of regular exercise for maintaining mobility and suggests that the intensity of exercise should be personalized to the individual's tolerance level. It encourages the elderly clients to take an active role in their mobility and supports them in finding exercises that suit their abilities.