Gregg R Klein MDVice-Chairman, Department of Orthopaedic Surgery, Hackensack University Medical Centre; Associate Professor, Department of Orthopaedic Surgery, Hackensack Meridian School of Medicine, Rothman Orthopaedic Institute, Montvale, New Jersey, USAP Maxwell Courtney MD Assistant Professor, Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, Woodbury, New Jersey, USA

• PrefaceAcknowledgementsWhat is new in spine surgery?Hip preservation: An evidence-based updateWhat is new in total hip arthroplasty? Direct anterior approachWhat is new in total hip arthroplasty? A Latin-American perspective in 2020What is new in total knee arthroplasty? In Klein/Courtney Recent Advances in OrthopaedicsWhat is new in knee arthroplasty? European perspectiveRevision total hip and knee replacementWhat is new in sports medicine? Orthobiologics: An evidence-based review of the literatureWhat is new in shoulder and elbow surgery?What is new in orthopaedic trauma?What is new in hand surgery?What is new in foot and ankle surgery?What is new in orthopaedic oncology?What is new in robotic knee arthroplasty?Coronavirus disease 2019: An orthopaedic perspective

Gregg R Klein MDVice-Chairman, Department of Orthopaedic Surgery, Hackensack University Medical Centre; Associate Professor, Department of Orthopaedic Surgery, Hackensack Meridian School of Medicine, Rothman Orthopaedic Institute, Montvale, New Jersey, USAP Maxwell Courtney MD Assistant Professor, Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, Woodbury, New Jersey, USA

• PrefaceAcknowledgementsWhat is new in spine surgery?Hip preservation: An evidence-based updateWhat is new in total hip arthroplasty? Direct anterior approachWhat is new in total hip arthroplasty? A Latin-American perspective in 2020What is new in total knee arthroplasty? In Klein/Courtney Recent Advances in OrthopaedicsWhat is new in knee arthroplasty? European perspectiveRevision total hip and knee replacementWhat is new in sports medicine? Orthobiologics: An evidence-based review of the literatureWhat is new in shoulder and elbow surgery?What is new in orthopaedic trauma?What is new in hand surgery?What is new in foot and ankle surgery?What is new in orthopaedic oncology?What is new in robotic knee arthroplasty?Coronavirus disease 2019: An orthopaedic perspective

Gregg R Klein MDVice-Chairman, Department of Orthopaedic Surgery, Hackensack University Medical Centre; Associate Professor, Department of Orthopaedic Surgery, Hackensack Meridian School of Medicine, Rothman Orthopaedic Institute, Montvale, New Jersey, USAP Maxwell Courtney MD Assistant Professor, Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, Woodbury, New Jersey, USA

• PrefaceAcknowledgementsWhat is new in spine surgery?Hip preservation: An evidence-based updateWhat is new in total hip arthroplasty? Direct anterior approachWhat is new in total hip arthroplasty? A Latin-American perspective in 2020What is new in total knee arthroplasty? In Klein/Courtney Recent Advances in OrthopaedicsWhat is new in knee arthroplasty? European perspectiveRevision total hip and knee replacementWhat is new in sports medicine? Orthobiologics: An evidence-based review of the literatureWhat is new in shoulder and elbow surgery?What is new in orthopaedic trauma?What is new in hand surgery?What is new in foot and ankle surgery?What is new in orthopaedic oncology?What is new in robotic knee arthroplasty?Coronavirus disease 2019: An orthopaedic perspective