Background Augmented Reality (AR) is a rapidly emerging technology finding growing
acceptance and application in different fields of surgery. Various studies have been performed …

Background Precise insertion of pedicle screws is important to avoid injury to closely
adjacent neurovascular structures. The standard method for the insertion of pedicle screws is …

Ultrasound-based shear wave elastography (SWE) provides the means to quantify tissue
mechanical properties in vivo and has proven valuable in detecting degenerative processes in …

Athletic performance relies on tendons, which enable movement by transferring forces from
muscles to the skeleton. Yet, how load-bearing structures in tendons sense and adapt to …

Background: Little is known about the long-term prognosis of osteochondral lesions of the
talus (OLTs) after nonoperative treatment. Purpose: To evaluate the clinical and radiological …

BACKGROUND CONTEXT Pedicle screw loosening is common after spinal fusion and can
be associated with pseudoarthrosis and pain. With suspicion of screw loosening on standard …

Background The pathomechanisms of eccentric osteoarthritis of the shoulder remain unclear.
Although there is increasing evidence of bony differences between shoulders with rotator …

Purpose Patient-specific instruments (PSIs) are helpful tools in high tibial osteotomy (HTO)
in patients with symptomatic varus malalignment of the mechanical leg axis. However, the …

It is still unknown whether glenoid inclination or lateral acromial roof extension is a more
important determinant for development of rotator cuff tears (RCT) or osteoarthritis (OA) of the …

Background Intra-articular injections are widely used for conservative treatment of knee
osteoarthritis (OA). However, rigorous data are lacking regarding the comparative therapeutic …