Final answer:
Encourage the patient to engage in regular physical activity to address disuse syndrome.
Step-by-step explanation:
The nurse should implement intervention 1) Encourage the patient to engage in regular physical activity. Regular physical activity is important to address disuse syndrome because exercise helps maintain joint mobility, increases muscle strength, and reduces the effects of atrophy. By encouraging the patient to engage in regular physical activity, the nurse can help prevent muscle weakness and functional impairments.