You might be confused as to which one is what you need, so let's first define what "Physical Therapy" and "Fitness training" are.....

Physical therapy is the care and treatment of disease, injury, or deformity to develop, maintain, and restore people's maximum movement and functional abilities through the use of exercise, physical modalities, manual techniques, and functional training.

Fitness training, or wellness, is the promotion of general well-being and quality of life, as well as good health, and this can be in the presence or absence of disease or medical condition.  It promotes or maintains physical fitness and mobility, but does not treat or correct a medical condition.

To better understand your needs, try answering the following questions to decide whether you need "Physical therapy" or "Fitness training":