Fracture and size effect in concrete and other quasibrittle materials

Our book is intended to serve as both a textbook for graduate level courses in enfineering and reference volume for engineers and scientist. We assume that the reader has the background of the B.S. level mechanics courses in departements of civil, mevhanical, or aerospace engineering. Aside from synthesizing the main results already available in the literature, our book also contains some new r…

Vertical Tears of the Lateral Meniscus

Background: Lateral meniscal tears are often seen with acute anterior cruciate ligament (ACL) injury and may be left in situ,repaired, or treated with meniscectomy. Clinical studies have shown good outcomes with vertical tears left in situ and poor outcomes following meniscectomy. However, clinically relevant studies are needed to establish a biomechanical foundation for treatment of these tear…

Glenoid Bone Loss Measurement in Recurrent Shoulder Dislocation

Background: Shoulder instability can cause both soft tissue injury and bone defects, requiring both computed tomography (CT) and magnetic resonance imaging (MRI) for a thorough workup, which results in high patient costs and radiation exposure. Prior studies in cadaveric and nonclinical models have shown promise in assessing preoperative bone loss utilizing MRI. Purpose: To evaluate the utilit…

Subacromial Injection Results in Further Scapular Dyskinesis

Background: Scapular kinematic movement patterns between patients with subacromial impingement and healthy controls have been extensively investigated. However, a high degree of variability has been reported in the literature pertaining to differences between these 2 groups. Purpose: To investigate the influence of subacromial pain on scapular kinematics. Study Design: Controlled laboratory s…

Performance and Return to Sport After Anterior Cruciate Ligament Reconstructi…

Background: Anterior cruciate ligament (ACL) rupture is a significant injury in male National Hockey League (NHL) players. Purpose: To determine (1) the return to sport (RTS) rate in the NHL following ACL reconstruction, (2) performance on RTS, and (3)the difference in RTS and performance between players who underwent ACL reconstruction and controls. Study Design: Cohort study; Level of evide…

Whole-Person Impairment in Younger Retired NFL Players

Background: Professional American football is a physically demanding, high-impact sport with an elevated risk of injury. Orthopaedic injuries may impose acute, short-term or cumulative consequences throughout a player’s lifetime. Several studies have addressed health and psychosocial concerns of an older, retired population of players in the National Football League (NFL); however,minimal res…

Position-Specific Hip and Knee Kinematics in NCAA Football Athletes

Background: Femoroacetabular impingement is a debilitating hip condition commonly affecting athletes playing American football. The condition is associated with reduced hip range of motion; however, little is known about the range-of-motion demands of football athletes. This knowledge is critical to effective management of this condition. Purpose: To (1) develop a normative database of game-li…

Rates and Determinants of Return to Play After Anterior Cruciate Ligament Rec…

Background: For competitive athletes, return to play (RTP) and return to preinjury levels of performance after anterior cruciate ligament (ACL) reconstruction are the main goals of surgery. Although outcomes of ACL surgery are well studied, details on factors influencing RTP in elite college football players have not been evaluated thoroughly. Purpose: To determine the rate of RTP following AC…

Soil warming and liming impacts on the recovery of 15N in an acidic soil unde…

Liming has important implications for N dynamics in acidic soils planted with legumes that are not fully understood. We used a 15N tracer (K15NO3) to examine N dynamics in a Chromic Luvisol planted with soybean with and without lime in environmentally-controlled chambers set at 20°C and 30°C (full factorial design). Liming increased total N and 15N recovery in soybean, but had no effect…

Additional nitrogen in arctic-alpine soils and plants—a pilot study with 15…

Nitrogen (N) deposition has been increasing in alpine ecosystems, but its fate in soils and plants remains unclear. We assumed that the increased N load will be efficiently retained in alpine ecosystems but that the degree of N use efficiency changes with elevation. Thus, we performed a 3-year 15N tracer experiment, in which we added 1 g m–2 of either NH415NO3 or 15NH4NO3 fertilizer to a pl…

Root Phenotyping For Drought Tolerance in Bean Landraces From Calabria (Italy)

Common bean (Phaseolus vulgaris) is cultivated throughout Latin America and Africa, and for the European community, in Italy and Spain, areas are mainly subjected to drought stress which is predict to worsen by regional climatic models. The aims of this work were to identify the drought-tolerant and drought-sensitive bean landraces using drought tolerance and phenotypic plasticity indexes …

Effects of tree species diversity and genotypic diversity on leafminers and p…

1 The effects of tree diversity on herbivore–enemy interactions have received relatively little attention and even fewer studies have compared the relative influence of tree intra- versus interspecific diversity on such dynamics. 2 We evaluated the effects of mahogany (Swietenia macrophylla) genotypic diversity and tree species diversity on parasitoid attack and species richness associa…

Crop Coefficients, Growth Rates and Quality of Cool-Season Turfgrasses

Determination of crop coefficients (Kc), the ratio between actual (ETa) and reference evapotranspiration (ET0), is necessary to schedule irrigation. Our objective was to determine Kc, turf quality and growth rate under daily irrigation to field capacity (FC =
3 kPa tension) and drying. Minilysimeters installed in a green (mowing height 3–5 mm) and fairway (15 mm) were weighed during four per…

Hip Morphology Characterization

Background: Femoroacetabular impingement (FAI) is the result of a mechanical conflict in the hip joint, and its diagnosis is based on clinical and radiological parameters. To our knowledge, there are no published studies describing the radiologic characteristics of FAI in Latin American populations. Purpose: To describe the radiological features associated with FAI in an asymptomatic Chilean p…

Diagnosing Femoroacetabular Impingement From Plain Radiographs

Background: A diagnosis of femoroacetabular impingement (FAI) requires careful history and physical examination, as well as an accurate and reliable radiologic evaluation using plain radiographs as a screening modality. Radiographic markers in the diagnosis of FAI are numerous and not fully validated. In particular, reliability in their assessment across health care providers is unclear. Purpo…

Surgical Management of Symptomatic Olecranon Traction Spurs

Background: There is a paucity of information pertaining to the pathoanatomy and treatment of symptomatic olecranon traction spurs. Purpose: To describe the pathoanatomy of olecranon traction spur formation, a technique for spur resection, and a series of patients who failed conservative care and underwent operative treatment. Study Design: Case series; Level of evidence, 4. Methods: Eleven …

Caring behaviors: Perceptions of acute care nurses and hospitalized patients …

Caring behaviors: Perceptions of acute care nurses and hospitalized patients with diabetes Purpose: The purpose of this study was to examine the perceptions of caring behaviors that influence the patient experience in acute care nurses and hospitalized patients with diabetes. Background: Nurses are the caregivers who render most of the direct care patients receive while they are hospitalized.…

Human–Robot Interaction: Status and Challenges

Objective: The current status of human–robot interaction (HRI) is reviewed, and key current research challenges for the human factors community are described. Background: Robots have evolved from continuous human-controlled master–slave servomechanisms for handling nuclear waste to a broad range of robots incorporating artificial intelligence for many applications and under human supervis…

A Natural Experiment Opportunity in Two Low-Income Urban Food Desert Communit…

A growing body of evidence has highlighted an association between a lack of access to nutritious, affordable food (e.g.,through full-service grocery stores [FSGs]), poor diet, and increased risk for obesity. In response, there has been growing interest among policy makers in encouraging the siting of supermarkets in “food deserts,” that is, low-income geographic areas with low access to hea…

Re-envisioning global agricultural trade: time for a paradigm shift to ensure…

In this commentary, we use examples from West Africa to highlight how the liberalization of global agricultural trade exacerbates population health inequalities by threatening the livelihoods and food security of communities in low-income settings. We highlight the exploitative nature of trade agreements with West African countries demonstrating how these agreements disincentivize local agricul…

I WAS HERE: young mothers who have experienced homelessness use Photovoice an…

Inspired by Photovoice, a participatory research methodology, I WAS HERE was a photoblogging workshop in Toronto, Canada, for young mothers who, when they joined, were either homeless or had past experience of homelessness. A participatory qualitative analysis process was developed to support workshop participants in collectively conducting qualitative analysis on a selection of their photoblog…

Computer literacy competencies among Indian students: the digital divide

Purpose – The purpose of this paper is to investigate computer literacy competencies among rural and urban students in India and its prime objectives are to find out: how rural and urban students use computers, what is the purpose of computers for these students and what problems have the students encountered while using computers. Design/methodology/approach – Scheduled interviews we…

Education for sustainable development in East Timor

Purpose – The purpose of this paper is to explore the relevance of Education for Sustainable Development (ESD) in East Timor and proposes a set of ESD indicators to be implemented in the formal education sector. Design/methodology/approach – A detailed analysis of relevant literature concerning national development plans (Republica Democratica de Timor-Leste, 2011), literature centre…

Family factors and immigrant students’ academic achievement An Asian and Hi…

Purpose – The purpose of the paper is to examine the relationship between family-related factors and academic performance for Asian and Hispanic immigrant students. Design/methodology/approach – The study used data drawn from the Children of Immigrants Longitudinal Study. Data were collected from second-generation immigrant students in forms of surveys. A total of 10th to 12th grade A…

When Does Prior Experience Pay? Institutional Experience and the Multinationa…

This study reexamines organizational learning theories to reconcile the conditions under which prior internationalization experience leads to performance gains for multinational corporations (MNCs) with varying host-country institutional experiences in different regulatory environments. Using field studies on telecommunications regulation, executive interviews conducted in Brazil, Spain, Portug…

Humble Chief Executive Officers’ Connections to Top Management Team Integra…

In this article, we examine the concept of humility among chief executive officers (CEOs) and the process through which it is connected to integration in the top management team (TMT) and middle managers’ responses. We develop and validate a comprehensive measure of humility using multiple samples and then test a multilevel model of how CEOs’ humility links to the processes of top and middl…

The Price You Pay: Price-setting as a Response to Norm Violations in the Mark…

Contrary to the general view that markets are shaped by economic forces, bargaining power, and the prior relationships between exchange partners, this paper posits that markets can sometimes also be purely socially constructed, in the sense that prices can vary irrespective of the economic value embedded in the exchange. Building on insights from the literature on categories, we argue that…

The Paradox of Publicity: How Awards Can Negatively Affect the Evaluation of …

Although increases in status often lead to more favorable inferences about quality in subsequent evaluations, in this paper, we examine a setting in which an increase to an actor’s status results in less favorable quality evaluations, contrary to what much of sociological and management theory would predict. Comparing thousands of reader reviews on Goodreads.com of 64 Englishlanguage boo…

A Critical Examination of the Relationship between Emotional Intelligence and…

The buoyant research interest in the constructs emotional intelligence (EI) and transformational leadership (TFL) is a testament to the crucial role of emotional skills at work. EI is often described as an antecedent of TFL, and several empirical studies report a positive relationship between these variables. On closer inspection, however, there may be methodological factors, such as common met…

Finding a Home away from Home: Effects of Immigrants on Firms’ Foreign Loca…

Using data from a sample of foreign subsidiaries established in the U.S. by firms from 27 countries between 1998 and 2003, this study examines the relationship between immigrants and the foreign expansion of organizations from their home countries. I propose that common country bonds to immigrants can become unique channels of knowledge, providing firms with idiosyncratic benefits in foreign pl…

A Comparison between the Styles of Transformational Leaders and Authentic Lea…

Crisis leadership research is important owing to the unpredictability, cost, duration and intensity of the crisis. Leaders all around the world struggle with the challenges of crisis (Prewitt & Weil, 2014), which demonstrates the undeniable fact that leadership and crisis are closely intertwined. Therefore, the reaction of the leader towards the crisis is of utmost importance. Crises, which are…

Inaccurate rotational component position in image-free navigated unicompartme…

Background/Objective: The success of unicompartmental knee arthroplasty (UKA) is highly dependent on the accuracy of component and leg alignment. Computer-assisted surgery is gaining popularity in total knee arthroplasty with numerous studies reporting improved accuracy and decreased variability in implant position and postoperative limb alignment compared with conventional techniques. However,…

The mechanism of “killer turn” causing residual laxity after transtibial …

Background: The residual laxity after transtibial posterior cruciate ligament (PCL) reconstruction has been reported by several authors. The sharp angle where the graft exits the tibial tunnel, which is known as “killer turn”, is believed to be the main reason. The purpose of this study was to reveal the mechanism of “killer turn” and its effect on both graft and tunnel inlet. Methods:…

Graft quality and clinical outcomes of intraoperative bone tunnel communicati…

Background/objective: In anatomic double-bundle anterior cruciate ligament reconstruction, it is crucial to create two separate bone tunnels within the footprints of the anterior cruciate ligament at the femur and tibia. This can occasionally be difficult to accomplish and the adverse effects of bone tunnel communication are unclear. The purpose of this study was to examine the effects of intra…

Endoscopic tarsal tunnel syndrome surgery using the Universal Subcutaneous En…

Background/objective: Tarsal tunnel syndrome is a relatively rare entrapment neuropathy with the lateral and medial plantar nerves entrapped inside of the tarsal tunnel. When conservative treatment fails, standard open decompression of the nerve can be achieved by releasing the flexor retinaculum of the foot through a several-centimetre-long skin incision made along the tarsal tunnel. By contra…

Anterior Cruciate Ligament Reconstruction: A 2015 global perspective of the M…

Background/objective: The Magellan Society is composed of > 150 high-volume fellowship-trained sports surgeons from four continents. These surgeons represent their regional sports organisations in travelling fellowships and are considered to be opinion leaders in their respective organisations. Prior to the 2014 Magellan Meeting in Arima, Japan, a survey was conducted to understand how Magellan…

Review of ankle inversion sprain simulators in the biomechanics laboratory

Ankle inversion ligamentous sprain is one of the most common sports injuries. The most direct way is to investigate real injury incidents, but it is unethical and impossible to replicate on test participants. Simulators including tilt platforms, trapdoors, and fulcrum devices were designed to mimic ankle inversion movements in laboratories. Inversion angle was the only element considered in ear…

‘Wader’ (Rasbora jacobsoni) Protein Hydrolysates: Production, Biochemical…

Considerable the amounts of Wader (Rasbora jacobsoni) are abundant in Indonesia for all year and also have a low economic value. By using Biduri (Calotropis gigantea) protease, production of wader protein hydrolysate (WPH) as food ingredients and industrial product may be possible. Hydrolysis condition was proposed depend on the effects of the time (t) (0, 1.5, and 3 hours), and enzyme concentr…

A Review on Multi-Roles of Women and Their Influence on the Change of Functio…

Multi-roles of women in domestic sectors and public sectors have basically affected behavior, structure, function, and construction of socio-culture of the farmer’s household. Objective of the research were: 1) to identify patterns of the work division and working time division for women, 2) to analyze the change of functional structure in the farmer’s family, such as: the change in interac…

Exploring land use scenarios in metropolitan areas: food balance in a local a…

The assessment of sustainability of agro-food systems is based on different and several tools. However, economic and policy implications of structural changes, such as land use change, and other modifications, for instance a different orientation or farming technique, could be mainly determined through scenario analysis. Especially in metropolitan regions, where the agricultural sector is threa…

Better words for enhance health and welfare sustainability of food models

The purpose of this paper is to propose a reflection about specific tools of communication feasible to succeed in improving sustainability of feeding in a health dimension. Recognizing that consumption choices, especially regarding food, are determined by factors different from price and income, incorporating ideas both from behavioral economics, food marketing and psychology, we would try to g…

Silent Partners to Cancer Patients: Formal Caregivers and Oncologists

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Predictors of High eHealth Literacy in Primary Lung Cancer Survivors

Lung cancer survivors are likely to have low health literacy which is an independent risk factor for poorer health outcomes. The eHealth literacy in lung cancer survivors has not been reported. The purposes of this study were to determine self-perceived eHealth literacy levels in lung cancer survivors and to explore predictors of higher eHealth literacy. A crosssectional study was conducted at…

Acceleration of healing of the medial collateral ligament of the knee by loca…

Background: Injury to the medial collateral ligament (MCL) of the knee joint is the most common ligament injury of the knee. Ligament healing generally takes a long time. Micro-ribonucleic acid (miRNA) is one of the noncoding RNAs and plays a crucial role in physiological function;miRNA (miR)-210 is known as a potent factor of angiogenesis, which is an important initiator of ligament healing. T…

Ligament balancing in total knee arthroplastydMedial stabilizing technique

Ligament balancing is one of the most important surgical techniques for successful total knee arthroplasty. It has traditionally been recommended that medial and lateral as well as flexion and extension gaps are equal. This article reviews the relevant literature and discusses the clinical importance of the aforementioned gaps. Current evidence indicates that achieving medial stability througho…

Patellar tendon: From tendinopathy to rupture

Patellar tendinopathy is very common in patients complaining of anterior knee pain. Its aetiology is still unclear, but neovascularisation seems to play a role. Different treatments have been proposed overtime, from rehabilitation to platelet-rich-plasma injections, but there is no agreement on the best treatment protocol. The final stage of patellar tendinopathy is patellar tendon rupture. In …

Arthroscopic repair for subacromial incarceration of a torn rotator cuff

Background/objective: Rotator cuff tears are common shoulder injuries. Various forms of rotator cuff tears are observed by arthroscopy. Inverted flap tears of the rotator cuff, however, also occur. The aim of the present study was to determine the preoperative characteristics of inverted torn cuffs and clinical outcomes after arthroscopic repair. Methods: Seventeen patients (10 men, 7 women; m…

Exercise-induced leg pain

Exercise-induced leg pain is a common condition in athletes and in people involved in recreational sports. The diagnosis is not always straightforward: many conditions may cause exercise-induced leg pain. The aim of the present review is to provide a complete discussion of the most common pathologies related to this condition. Particular attention is dedicated to the history and the physical ex…

Excursion of bone-patella tendon-bone grafts during the flexioneextension mov…

Background/objective: The purpose of this study was to elucidate the biomechanical differences between anterior cruciate ligament (ACL) grafts reconstructed by isometric and anatomic reconstruction techniques, based on their length changes. Methods: One hundred and thirty-three knees with primary ACL reconstruction using the bone-patellar tendon-bone (BTB) graft were retrospectively identified…

Early reconstruction should be considered in younger patients with symptomati…

Background: Mucoid degeneration of the anterior cruciate ligament (ACL) is mostly observed in middle-aged patients with knee pain and limited range of motion. Although arthroscopic resection of the degenerated ACL is the treatment of choice following the failure of conservative management, the extent of the excision and subsequent ACL reconstruction for postoperative knee instability remains co…