This issue of Physical Medicine and Rehabilitation Clinics of North America will cover musculoskeletal ultrasound in the outpatient. The articles will include: Fundamental Considerations for Ultrasound-Guided Musculoskeletal Interventions, Ultrasound-Guided Shoulder Procedures, Ultrasound-Guided Elbow Procedures, Ultrasound-Guided Hand and Wrist Procedures, Ultrasound-Guided Hip Procedures Ultrasound-Guided Knee Procedures, Ultrasound-Guided Foot and Ankle Procedures, Ultrasound-Guided Spine and Pelvis Procedures and many more exciting topics!