Comparison of Hand Grip Strength in Different Shoulder Positions in Geriatric Individuals: Position-Dependent Strength Analysis

Inclusion Criteria: * Being 65 years of age or older * Being an independent volunteer living in the community * Being able to actively use the upper extremities * Having the cognitive level to understand and follow the measurement instructions * Providing written informed consent to participate in the study. Exclusion Criteria: * Presence of severe shoulder pain or rotator cuff pathology * Loss of upper extremity function due to rheumatological disease * Presence of significant visual or vestibular impairment that may affect measurements * Presence of another systemic or musculoskeletal disease that may prevent the safe and accurate completion of tests * History of upper extremity surgery or fracture within the last 6 months * Failure to provide informed consent