Only ergonomics training will be given to the control group.

Participants will be given training including stretching and core exercises along with ergonomics training.

Ergonomics training will be given to each of the control group participants individually. The content of this training will include "what is ergonomics, the purpose of ergonomics, musculoskeletal diseases in employees, work-related musculoskeletal risk fa

McGill pain questionnaire-short form is used to evaluate patients' pain in terms of feeling and sensory. Pain level is defined with 15 words consisting of 11 sensory and 4 affective words. From these descriptive words, the patient should choose an answer that is compatible with him/her as "no (0)", "mild (1)", "moderate (2)", "severe (3)". In addition, the pain felt during the survey is measured with the VAS, and the total pain intensity of the pain is measured with a 6-point Likert scale. Pain is defined as "absent (0)" and "unbearable (5)" on the Likert scale. In total, pain scores between 0-45 (no pain=0, severe pain=45).

It was developed to measure the functionality of individuals. The scale determines functional disability for activities such as sitting, walking, personal care, lifting, social life, travel, and sleep. There are 10 questions in this scale. Each question has 6 options. Participants are asked to choose the definition that best describes their situation from these options. A score of 0-5 is assigned for each of the sentences, and the highest possible score is 50 points. It is evaluated as mild between 1 and 10 points, moderate between 11 and 30 points, and severe between 31 and 50 points.

This scale consists of 9 questions and each option has a score between 0-7. A score of 0 is expressed as "strongly disagree", while a score of 7 is expressed as "agree". The maximum score is 7, and it is recorded that people have a significant degree of fatigue for 4 points and above.

Pittsburgh Sleep Quality Index; It evaluates sleep duration, sleep disturbance, sleep efficiency, subjective sleep quality, sleep medication use, daytime dysfunction, and sleep delay and consists of a total of 24 questions. 19 of them are self-report scales and 5 of them consist of questions to be answered by a friend or spouse. There are 7 components with 18 questions scored in the scale, and each component is evaluated between 0 and 3 points. The total score ranges from 0 to 21, and 5 or more is an indicator of "poor sleep quality".