Individualized Physical Activity or Patients With Non Functioning Pituitary Adenoma

The goal of this clinical trial is to learn about physical activity\'s effect on health in people who have had surgery of a non-functioning pituitary adenoma. The main questions it aims to answer are: * Do physical activity increase quality of life? * Do physical activity increase general health, cardiovascular fitness, self-efficacy and muscle strength and reduce fatigue and cardiovascular risk profile? Participants will at the start of the the study, at 6 months follow up and 12 months follow up: * Fill out health surveys * Perform a cycling test, hand strength test, chair stand test and wear and accelerometer for a week * Undergo a dual energy X-ray absorptiometry to measure muscle and fat mass * Leave blood samples Researchers will compare those who are randomized to the intervention and see a physiotherapist to get an individualized and person-centred prescription of physical activity plan and those who are randomized not to be in the intervention to see if physical activity increases quality of life and general health.¨.