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554 Uppsatser om Knee extensor strength - Sida 6 av 37
Styrketräning av höftabduktorerna vid behandling av patellofemoralt smärtsyndrom, tractus iliotibialissyndrom och knäartros: En systematisk litteraturstudie
Höftabduktorerna har en viktig funktion för nedre extremitet då muskelgruppen hjälper till att bibehålla bäckenet i rätt position för att motverka adduktion och inåtrotation av höften. Svaga höftabduktorer har påvisats hos personer med smärttillstånd, såsom patellofemoralt smärtsyndrom, knäartros och tractus iliotibialissyndrom. Om höftabduktorerna har betydande roll vid rehabilitering av dessa smärttillstånd bör interventionen uppmärksammas inom det sjukgymnastiska området. Syftet med studien var att se vid vilka smärttillstånd i och kring knäleden det gjorts interventionsstudier innefattande styrketräning av höftabduktorerna och därefter se till effekten på smärtupplevelse vid rehabilitering. Studien var en systematisk litteraturstudie.
Line?extensions; A longitudinal study concerning effects on brand equity
Thesis purposeThe study aims to examine the effects vertical and horizontal line extensions might have on the total parent brand equity in terms of strength and its baseline product regarding of market share, loyalty and penetration under an elapsed period of time. The study aims to investigate a number of actual conducted line extensions effect on the above mentioned aspects of Kellers (1993) definition of brand strength as a part of the total brand equity. MethodologyThe effect of a number of line extensions of the parent brands and the baseline products is being examined in terms of market share, loyalty rate, cannibalization and market penetration. The thesis is focused on the correlations between these different parameters during a certain elapsed time ratio in order to test our theoretically routed hypothesizes in a deductive manner. Occasional correlations are derived from an indexation of data collected from the Gfk database.
Development of concrete compressive strength: a study of Swedish bridges constructed during the 20th century
Tryckhållfasthetsutveckling hos broar. En studie av svenska broar byggda under 1900-talet.
Brunstvisningsförmåga hos SRB- och Holsteinkvigor
Oestrus in dairy cattle has changed over the last decades, the duration has decreased and the intensity of oestrus has declined. A possible explanation can be their high and increasing milk production. Heifers ability to show oestrus is probably not affected to the same extent. The aim of this study was to estimate and compare oestrus duration and strength in heifers of the Swedish Red and Holstein breeds. Standing oestrus has been the primary oestrus sign during many years.
Akuta effekter av assisterade hopp på kvinnliga idrottares hoppförmåga
Vertical jumping ability is an essential skill in many sports. The aim of this study wasto investigate the acute effects of assisted jumps on subsequent countermovementjump (CMJ) performance by female athletes. Nine healthy, trained female subjectsvolunteered to participate in the study. In a randomized order, they performed oneregular warm up protocol before testing their CMJ baseline value, and one warm upprotocol with an addition of five assisted jumps at 30% body weight reduction beforeanother CMJ test. Elastic cords attached to an overhead pulley system and to aharness around the subjects' upper body were used to reduce the body weight.Significant improvements were noted in jump height, 2.3 cm (7%), positive forceimpulse, 4.7 Ns (2%), vertical take off velocity, 0.1 m/s (3%), countermovement time,0.1 s (12%) and breaking time, 0.1 s (14%), p.
Samverkan mellan nya cementtyper och tillsatsmedel för betongtillverkning
Cement manufacture accounts for 3-5 percent of total global carbon emissions. There is a growing interest in reducing the environmental impact and conserve limited natural resources. In cement production, clinker productions consume 87.5 percent of the total energy consumed in the cement manufacture.Cementa has since many years, focused on reducing the environmental impact of cement production. The work has involved the entire production process from selection of alternative fuels to the development of cement with less clinker content. During 2013/2014, two new types of cement (Bascement and CEM II / B) will be introduced to the Swedish market.
Inköpsstrategier för ökad konkurrenskraft inom dagligvarubranschen
Term: Spring term 2007Study objects: Reitan Servicehandel AB, Vi-butikerna, ICA Sverige ABPurpose: The purpose of this study is to analyse how procurement is used as a strategy to achieve better competitive strength, within the retail food industry.Theoretical: The theoretical chapter illustrates different procurement organisations, multiple and single sourcing, brand equity, consumer behaviour and involvement, Efficient Consumer Response including supply chain and category management and finally Demand Chain Management.Method: For the case studies, three food retail companies have been interviewed: Reitan Servicehandel AB, Vi-butikerna and ICA AB. To illustrate how consumer behaviour influences retail food market, several secondary consumer research studies have been analysed.Conclusions: The results indicate that the procurement organisation can achieve a better competitive strength by a centralised organisation, which make it possible to improve conditions of terms when ordering higher purchase volumes. The sourcing strategies can improve a company?s power within the supply chain. All companies within the study had a very good knowledge about consumer behaviour.
Abrasiv nötning av polymerer tillverkade genom 3D-skrivning
Volvo Cars in Skövde manufacture and assemble Volvo engines. When attaching the ignition coil to all 4-cylinder engines, a special mounting tool is required. This mounting tool is currently manufactured from injection-molded polyoxymethylene (POM), a thermoplastic. It has been noted that the life span of the tool is shortened as a result of abrasive wear that occurs during the attachment process of the ignition coil.An investigation of the possibility of manufacturing the mounting tool with a 3D-printer is undertaken in cooperation with ÅF, a consultant to Volvo Cars. A literature study is first presented to introduce broader knowledge on the subject.
Kan mjuka golv i grisningsboxar minska skador på klövar och ben hos smågrisar?
The incidence of damage to the claws and legs in piglets caused by the floor in farrowing pens is a widely known problem and very common in today's pig herds. Although the association between floor and damage has been known for over 35 years, no suitable solution has been found to reduce the negative impact. The purpose of this study was to make a literature study to document the experiences of the use of different types of flooring in farrowing pens and also, in an own study, examine if soft floor in farrowing crates could lead to reduced damage to the claws and legs in piglets compared to concrete floor. The study was conducted in two herds, A and B. In each herd, farrowing pens with concrete floor and concrete floor with polyurethane coating were compared.
Hur upplevs en främre korsbandsskada som ådragits för mer än 10 år sedan påverka den skadade idag?
Aim: The aim of this study was to investigate how women who have incurred ACL injury for more than 10 years ago, feel that the injury affects them today.Method: A qualitative semi-structured interview survey with five women who 10- 28 years ago incurred the anterior cruciate ligament injuries when playing handball or soccer has been performed. The study has been inspired by a phenomenological concept of science, mainly by life-world concept. Data were analyzed using qualitative content analysis.Main result: Some informants have experienced severe loss of physical ability in both daily living situations and in training, while others did not appreciably felt impacted in daily living and experienced great opportunities for physical activity. Limitations which emerged were restrictions in movement, joint stiffness, pain, swelling, and crepitations that led to the loss of physical ability. One respondent had been diagnosed with advanced osteoarthritis.
Reagera och agera: Styrka och snabbhet i den manuella responsen för emotionella stimuli
In this study I investigated whether the strength in the manual response for emotional and neutral stimulus search arrays can explain some of the difference in reaction times (RT:s) for emotional stimuli, or not. Earlier, perceptual, cognitive and attentional processes has mostly been used to explain the variance in RT:s. Thirtythree individuals were asked to, as fast as possible, detect a target picture among distractor pictures in 3 rows x 4 columns arranged search arrays. The pictures were categorized in fear relevant animals (snake, spider) and neutral animals (cat). The results showed, more correct responses for cat target.
Provning av ythärdade material tänkta för
transmissionsdetaljer
This technical report describes the master thesis in material engineering called ?Testing of surfaced hardened materials conceivable for gears and shafts?. The work extents 20 academic points. Land systems Hägglunds manufactures and sells different kinds of combat vehicles and terrain vehicles. Since the demands for bigger and stronger vehicles increases all the time, so are the demands on shafts, gears and other transmission details.
Dimensionering av bladförband på Kamewa CPP (Controllable Pitch Propeller)
The thesis project is accomplished during winter and spring 2008 at Karlstad University at the faculty of technology and science. The tutor at Karlstad University is Nils Hallbäck and the examiner is Hans Johansson. Rolls-Royce at Kristinehamn in Sweden is the initiator for the project. The thesis project title is design of the blade bolt joint on Kamewa CPP. CPP stands for controllable pitch propeller.
Arbetsmiljövänliga låsvätskor i stötdämpare
This master thesis is a study of anaerobic thread lockers and is done in cooperation withÖhlins Racing AB, which is a Swedish manufacturer of vehicle suspensions.The suspension in vehicles is constantly exposed to high vibration levels and a suspensionunit has several screw- and cylindrical joints. As an extra safety precaution so that thecomponents in the suspension doesn?t fall apart when using the vehicle, an anaerobicthreadlocker is added in these joints. The handling of these threadlockers is not totallyharmless and could lead to allergic reactions, and therefore there are Swedish laws to limit theuse of these. However, new types of anaerobic threadlockers have recently been launched onthe marked that are not considered under this law.
Undersökning av svetsegenskaper för svetsning med rörtråd kontra homogen tråd
Welding is a common method for joining of metal or plastic construction parts. This report describes several different weld methods in general terms. The report focuses on the GMAW method, specifically MAG welding.A case study has also been performed for the company Wenmec. The task received from the company was to compare the mechanical properties of joints welded with the tube electrode called Nittetsu SM-3A and joints welded with the homogenous electrode called ESAB Aristorod 12.63. Both types of weld joint were welded with the MAG method with an Argon based shielding gas with 18% CO2.