Vibratory Anesthesia on Pain Following Corticosteroid Injections

This research study aims to evaluate injectional pain at the site of needle insertion for corticosteroid injections (CSI) of the upper extremity depending on different modes of anesthetics. Each individual's perception of pain upon receiving a CSI with two out of three modes of anesthesia (control/no anesthesia, vibrational anesthesia, vapo-coolant anesthesia) will be utilized to compare these variables and determine the method that is associated with the least pain.

Inclusion Criteria: * Any patient of the Principal Investigator who has clinically diagnosed bilateral arthritis, tendinopathy, arthropathy, or compression neuropathy of the hand, wrist, or elbow where treatment with corticosteroid injection is indicated. * Participants who voluntarily consent to participate in the study and sign consent forms. * Participants who complete all numeric pain rating scales * Patients aged ≥ 18 years old Exclusion Criteria: * Participants who opt out of the study or withdraw consent * Participants who are determined to be without capacity to consent to study participation or injection procedure by principal investigator * Participants with inability to complete numeric pain rating scales * Participants with known allergies to triamcinolone acetonide, lidocaine, or bupivicaine * Participants without clinically diagnosed bilateral arthritis, tendinopathy, arthropathy, or compression neuropathy of the hand, wrist, or elbow. * Participants where treatment with corticosteroid injection is not indicated bilaterally. * Patients ≤ 18 years old