Clinical Research Directory

Inclusion Criteria: 1. University teaching staff who work full time at Misr University for Science and Technology. (average 7 hours per day) 2. Both male and female participants between 25 and 45 years of age 3. Participants without any pain or musculoskeletal disorder 4. Participants who perform overhead activities during teaching 5. The range of BMI is between 18.5-25 in the normal range 6. Both right and left handed subjects are included Exclusion Criteria: * 1.Recent history of shoulder, upper limb, neck or thoracic fracture or surgery 2\. Neurological disorders affecting the upper limb 3\. Regional tumor or metastasis of the upper limb 4\. Academicians with trauma or injury within the past 6 months, or known pregnancy 5\. Engagement of any vigorous exercise or work after university hours 6.History of surgery within the past six months, epilepsy, or chronic neurologic disease