Clinical Research Directory

Inclusion and Exclusion Criteria Inclusion Criteria for Individuals With Brachial Plexus Birth Palsy: * Being between 18 and 40 years of age. * Having a diagnosis of unilateral brachial plexus birth palsy. * Having undergone shoulder tendon transfer surgery using the Modified Hoffer Technique. * Having at least 5 years elapsed since the last surgery. * Having a cognitive and communication level sufficient to comply with the assessment process. * Agreeing to participate voluntarily in the study and signing the informed consent form. Inclusion Criteria for Healthy Individuals: * Being between 18 and 40 years of age. * Having no history of upper extremity-related surgery within the last 5 years. * Having a cognitive and communication level sufficient to comply with the assessment process. * Agreeing to participate voluntarily in the study and signing the informed consent form. Exclusion Criteria for All Participants: * Having a neurological disease. * Having another orthopedic problem or a history of trauma in the affected upper extremity. * Having a history of systemic disease requiring an acute attack or hospitalization within the last 3 months. * Pregnancy or being less than 6 months postpartum.