Conventional physiotherapy practices will be performed.

In addition to conventional physiotherapy applications, thoracic mobilization applications will be performed.

Methods applied as conventional physiotherapy methods are: hotpack, Transcutaneous electrical nerve stimulation and ultrasound.

The Beck Depression Scale is a 21-item, self-report rating inventory that measures characteristic attitudes and symptoms of depression. The 21 questions in the Beck Depression Scale reflect the symptoms, attitudes and intensity of depression; Items receive a score between zero and three. The total score ranges from 0 to 63. Scores from 0 to 9 indicate no or minimal depression; Scores from 10 to 18 indicate mild to moderate depression; Scores from 19 to 29 indicate moderate to severe depression, and scores from 30 to 63 indicate severe depression.

The Beck Anxiety Scale is a self-report questionnaire that measures 21 common somatic and cognitive symptoms of anxiety. Beck Anxiety Scale has 21 questions, each question scored between 0 and 3. The total score to be obtained from the scale varies between 0-63. Beck Anxiety Scale scores are classified as minimal anxiety (0 to 7), mild anxiety (8 to 15), moderate anxiety (16 to 25), and severe anxiety (30 to 63).

The Fibromyalgia Impact Questionnaire is an assessment tool developed to measure the condition, progress and outcomes of fibromyalgia patients. It is designed to measure the health status components believed to be most affected in fibromyalgia. Fibromyalgia Impact Questionnaire consists of 10 items. The maximum possible score for each of the 10 items is 10. Therefore the maximum possible score is 100. The average fibromyalgia patient's score is around 50, with severely affected patients often scoring above 70.

The E-motion Faros device will be used to measure heart rate variability. E-motion Faros is a 3-electrode device that measures heart rate changes. Two of the electrodes in the device are placed under the patient's right and left clavicle, and the other one is placed just above the lowest left rib. Electrocardiogram measurement takes an average of 5 minutes.