Mechanical hypotheses concerning the function of chimpanzee anatomical specializations are examined in light of recent positional behavior data. Arm-hanging was the only common chimpanzee positional behavior that required full abduction of the humerus, and vertical climbing was the only distinctive chimpanzee positional behavior that required forceful retraction of the humerus and flexion of th...

Background: Supratrochlear foramen (STF) in adult humerus is formed by perforation of thin bony septum present between olecranon fossa and coronoid fossa, which is found proximal to trochlea of humerus. Presence of this foramen is clinically important during preoperative planning for intramedullary nailing in the treatment of supracondylar fractures of distal humerus. Methods: The study was con...

INTRODUCTION Numerous anatomic studies of the shoulder have quantified the size, shape, and variability of either the humerus or scapula individually. However, few have attempted to quantify the relationship of the humerus to the scapula to better understand the spatial variation of these bones in both male and female shoulders. METHODS Seventy-four cadaveric shoulder CT scans (37 males and 3...

Aim: Outcome of precontoured locking plates fixation in Distal Humerus Fractures. Material and methods: Twenty-five patients with distal humerus fractures were treated with ORIF with pre-contoured locking plates. There were 16 males, 9 females, with an average age of 42.8 years (2159years). As per the AO classification performance score, the results obtained were graded as excellent or good res...

This article describes a patient with multiple metastases from renal cell carcinoma who survived and maintained an ambulatory status for 15 years with no recurrence in the spine after en bloc resection of solitary spinal metastasis. Skeletal metastasis from renal cell carcinoma is common, second only to lung metastasis. Surgery plays an important role in the treatment of the metastasis because ...

RATIONALE Intercondylar fracture of the distal humerus is an extremely rare injury in children, especially in those under 8 years of age. To our best knowledge, there have been 55 reported cases of this fracture type in children in the English literature, 12 of which involved children under 8 years of age. PATIENT CONCERNS We report a case of intercondylar fracture of the distal humerus in a7...

A 52-year-old man with no significant medical history presented to the emergency department (ED) after a mechanical fall onto his nondominant left hand. Physical examination was suggestive of a glenohumeral dislocation, and radiographs confirmed a subcoracoid anterior glenohumeral dislocation (Figure 1). The patient was neurovascularly intact, but complained of severe pain and refused initial a...

Introduction Although supracondylar fractures of the humerus are common in children, open fractures of are extremely rare injuries. Gustilo- Anderson Type-III fractures in the upper extremity are primarily associated with considerable bone loss resulting from high energy trauma. In this study, a case of open pediatric supracondylar humerus fracture treated by a joint and defect spanning multipl...

Treatment of comminuted distal humeral fractures remains challenging. Open reduction-internal fixation remains the preferred treatment, but is not always feasible. In selected cases with non-reconstructable or highly comminuted fractures, total elbow arthroplasty has been used, however, also with relatively high complication and failure rates. Distal humerus prosthetic hemiarthroplasty (DHA) ma...

BACKGROUND The olecranon approach has been the gold standard for surgical approaches to fracture fixation of distal articular surface of humerus. Although it provides a good exposure, it also has disadvantages of delayed union, nonunion and implant related complications at the osteotomy site. OBJECTIVE The aim of this study was to determine the functional outcome of displaced intra-articular ...