Investigation of the Effects of Kettlebell Training

Inclusion Criteria: * Individuals who are willing to participate and have been doing licensed/unlicensed amateur or professional sports for at least 3 years, * Individuals with Tegner Activity Scale ≥ 5, * A history of shoulder pain of at least 6 weeks, * At least 3 points measured using the 0 to 10 point Numerical Pain Scale (NPS), * Shoulder pain that worsens with resisted shoulder flexion, abduction or external rotation, * Rotator cuff tendinopathies, * Tears smaller than 1 cm, * Secondary shoulder instability without major trauma (due to rotator cuff muscle weakness, etc.) Exclusion Criteria: * History of fracture and/or surgery in the shoulder area, * Adhesive capsulitis, * Those with passive joint range of motion deficit, * Individuals with a positive Apprehension Test and/or Sulcus Sign test and multidirectional shoulder instability, * Numbness or tingling in the upper extremity with cervical compression test or upper extremity compression test, * Systemic or neurological disease, * Corticosteroid injection within 3 months before the intervention, * Physical therapy in the 6 months before the intervention, * Those with a history of dislocation and subluxation, * Those who are pregnant, * Those who did not participate in the study for 2 consecutive sessions