Motor Sparing Supraclavicular Block

Inclusion Criteria: * Patients scheduled for upper limb surgeries under supraclavicular brachial plexus block * American Society of Anesthesiologists (ASA) status I and III * between ages of 18 and 60 years Exclusion Criteria: * Bleeding disorders with INR \> 1.5 and/or platelets \< 100,000/mm3 * infection at the injection site * Allergy to local anesthetics * Severe cardiopulmonary disease (≥ASA IV) * Diabetic or other neuropathies * Motor disorders * Patients receiving opioids for chronic analgesic therapy * Inability to comprehend visual analogue scale (VAS).