A 40-minute online education presentation will be given on the role of postural and dynamic muscles, the importance of physical activity, the gradual adaptation of the body to workload and physical stressors, rest, and injury management. They will also be asked to wear a smart band. Additionally, the exercise program developed by Chan et al., will be practised online via "Google Meet" once a week for 8 weeks, each session lasting 40-45 minutes.

A 40-minute online education presentation will be given on the role of postural and dynamic muscles, the importance of physical activity, the gradual adaptation of the body to workload and physical stressors, rest, and injury management. They will also be asked to wear a smart band.

The exercise program developed by Chan et al., consists of a 30-minute exercise period with 5 minute warm-up (diaphragmatic breathing, general body movements) and 5-10 minute cool-down (stretching exercises in addition to the exercises in the warm-up period) periods. Exercises include 6 steps and 5 series (neck, shoulder, spine, abdominals, hip) according to difficulty level. The total exercise program takes 40-45 minutes.

The Cornell Musculoskeletal Discomfort Questionnaire will be used to evaluate musculoskeletal problems. The questionnaire includes visuals of different parts of the body, and in these parts, the frequency and severity of pain, ache or discomfort felt by the person within a week, and whether it prevents work are questioned separately. The Turkish validity of the questionnaire was found to be good at .62-.92, and the test-retest reliability was found to be adequate at .56-.97. A high score from the questionnaire indicates that musculoskeletal problems are intense.

The Moxy muscle oxygen monitor is a lightweight and small device that measures regional blood flow and oxygenation by placing it on the skin non-invasively using near infrared spectroscopy (NIRS). The Moxy muscle oxygen monitor has been shown to be a valid and reliable device in terms of muscle oxygenation compared to other NIRS devices. Its validity in measuring muscle oxygenation (SROC: r = 0.842-0.993, ICC: r = 0.773-0.992, p < .01) was found to be strong or very good, and its reliability was moderate to high in low-intensity exercise. The left deltoid muscle will be evaluated in musicians. The evaluation will be made at rest (3 minutes), in the instrument holding position (3 minutes), during the instrument playing position (3 minutes) and at rest after playing the instrument (3 minutes).

Note: The maximum subcutaneous fat thickness that the device can measure is 12 mm. A skinfold caliper will be used to identify participants who will be excluded from the study.

Pressure pain threshold, defined as the minimum force that triggers pain, is measured with a tool called an algometer. The value obtained when the person indicates the time when the feeling of pressure turns into a painful feeling is recorded in kg/cm2. The lower the value, the lower the person's pressure pain threshold. In the reliability study of the algometer device, the ICC value was found to be high at = 0.91. For musicians, evaluations will be taken from the right and left trapezius muscle and the right and left lateral epicondyle.

The Disabilities of the Arm, Shoulder and Hand (DASH) will be used to evaluate upper extremity function. The Turkish validity and reliability study of the DASH was conducted by Düger et al. A high score from the DASH results indicates a high level of disability.