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We examined the architectural properties of the rotator cuff muscles in 10 cadaveric specimens to understand their functional design. Based on our data and previously published joint angle-muscle excursion data, sarcomere length operating ranges were modeled through all permutations in 75 masculine medial and lateral rotation and 75 masculine abduction at(More)
Lower body positive pressure allows unloading of the lower extremities during exercise in a pressurized treadmill chamber. This study assessed the preliminary feasibility of lower body positive pressure exercise as a rehabilitation technique by examining its effects on gait mechanics and pain, postoperatively. Fifteen patients who had arthroscopic(More)
OBJECT Back and leg pain are the primary outcomes of adult spinal deformity (ASD) and predict patients' seeking of surgical management. The authors sought to characterize changes in back and leg pain after operative or nonoperative management of ASD. Outcomes were assessed according to pain severity, type of surgical procedure, Scoliosis Research Society(More)
The primary purpose of this study was to evaluate ischemic-preconditioning (IPC) as a means of improving tolerance to ischemia-reperfusion (IR) stress on neuromuscular function. A secondary objective was to isolate the area of injury within the neuromuscular unit responsible for contractile dysfunction after IR injury. Twenty-eight male rabbits were(More)
STUDY DESIGN An anatomic surface osteometric analysis of cadaveric cervical spines. OBJECTIVE To assess the feasibility of placing a 3.5-mm cortical screw in the lateral mass of C1 in a large number of specimens for the purpose of gaining internal fixation for various conditions. SUMMARY OF BACKGROUND DATA Previous studies have addressed surface(More)
The purpose of this paper is to provide a detailed description of the method to harvest a vascularized pedicled rib graft, transpose it to the posterior spine, and to straighten it to facilitate posterior spine fusion in patients undergoing complex spinal reconstruction.
STUDY DESIGN Retrospective case series. OBJECTIVES Introduce and evaluate the safety of a new technique of anterior column realignment (ACR) using a lateral transpsoas approach with release of anterior longitudinal ligament and annulus for correction of focal kyphotic deformity. SUMMARY OF BACKGROUND DATA Spinal sagittal imbalance can adversely affect(More)
OBJECT It is hypothesized that minimally invasive surgical techniques lead to fewer complications than open surgery for adult spinal deformity (ASD). The goal of this study was to analyze matched patient cohorts in an attempt to isolate the impact of approach on adverse events. METHODS Two multicenter databases queried for patients with ASD treated via(More)
Optimal care of the injured patient requires an organized approach, dedicated resources and clinical expertise. Victims of major trauma, however, frequently present to rural and suburban hospitals regardless of whether a dedicated trauma system in place. Immediate consultation by a trauma expert could potentially expedite effective evaluation and management(More)
The detrimental impact of long duration space flight on physiological systems necessitates the development of exercise countermeasures to protect work capabilities in gravity fields of Earth, Moon and Mars. The respective rates of physiological deconditioning for different organ systems during space flight has been described as a result of data collected(More)