Pre-injection local anesthesia does not affect experienced pain in intra-articular hip injections

Figure 1 Injection into the hip joint under ultrasound guidance. A: The transducer was placed in an oblique longitudinal plane along the femoral neck’s long axis; B: The needle advanced under direct visualization through the joint capsule (orange arrow); C: The needle advanced under direct visualization through the joint capsule into the anterior joint recess at the junction of the femoral neck and head (orange arrow).