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Comparing the Effectiveness of Motor Control Exercises versus Mckenzie Exercises for Work Related Back Pain

Open Journal of Therapy and Rehabilitation 2016年第3期4卷 178-185页

作者： Tanvi Tanna senthilkumar thiyagarajan Prabhu Chinna Gounder Department of Musculoskeletal and Sports The Oxford College of Physiotherapy Bangalore India

Background: Work related low back pain has been identified as a one of the most costly disorders among the worldwide working population. This condition was highly prevalent that approximately 85% patients having back pain were brought on by prolonged sitting. With the rapid development of modern technology, sitting has now become the most common posture in today’s work- place. Idea of using motor control learning approach provides the optimal control and coordination of the spine. The McKenzie evaluation was received using repeated movements and sustained positions. Therefore high quality randomized clinical trial was required to compare the effectiveness of these treatments for work related low back pain. Objectives: To compare the effectiveness of motor control exercises and McKenzie exercises in reducing pain and disability in work related low back pain. Method: The study included 40 subjects with work related low back pain due to prolonged sitting. They were randomly allocated into two groups (Group A and Group B). Group A was treated with motor control exercises and group B was treated with McKenzie exercises for 4 weeks. Results: Both the groups have shown statically significant improvement in vas with p < 0.0001 and ODI with p < 0.0001. When the comparison was done after the 4 weeks, the percentage of improvement in group A was much higher than Group B. Conclusion: The study concluded that motor control exercises have shown statically and clinically significant improvement in reducing pain and disability when compared to McKenzie exercises among work related low back pain subjects.

关键词： Low Back Pain (LBP) Oswestry Disability Index (ODI) Motor Control Exercise (MCE) McKenzie Exercise (MKZ) Visual Analogue Scale (VAS)

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Effect of thermal cycle on Ni-Cr based nanostructured thermal spray coating in boiler tubes

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Transactions of Nonferrous Metals Society of China 2015年第5期25卷 1533-1542页

作者： V.senthilkumar B.thiyagarajan M.DURAISELVAM K.KARTHICK Department of Production Engineering National Institute of Technology Bharat Heavy Electricals Limited

Ni-Cr based nanostructured feedstock powder was prepared by mechanical milling technique involving repeated welding, fracturing, and re-welding of powder particles in a planetary ball mill. The milled nanocrystalline powders were used to coat carbon steel tubes using high velocity oxygen fuel（HVOF） thermal spraying process. The characterization of the feedstock powder and HVOF coated substrates was performed using optical microscope, X-ray diffractometer（XRD）, scanning electron microscope（SEM）, high resolution transmission electron microscope（HR-TEM）, energy dispersive spectrometer（EDS） and microhardness tests. The coated and uncoated samples were subjected to different thermal cycles and characterized for their phase changes, metallurgical changes and microhardness variations. Ni-Cr nanostructured coated samples exhibited higher mechanical and metallurgical properties compared to their conventionally coated counter parts. The results showed that the nanostructured coating possessed a more uniform and denser microstructure than the conventional coating.

关键词： nanostructure coating feedstock powder thermal spray boiler tubes high velocity oxygen fuel

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Breeding Resilience:Exploring Lodging Resistance Mechanisms in Rice

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Rice science 2024年第6期31卷 659-672页

作者： Durga Prasad MULLANGIE Kalaimagal thiyagarajan Manonmani SWAMINATHAN Jagadeesan RAMALINGAM Sritharan NATARAJAN senthilkumar GOVINDAN Department of Genetics and Plant Breeding Centre for Plant Breeding and GeneticsTamil Nadu Agricultural UniversityCoimbatore 641003India Department of Rice Centre for Plant Breeding and GeneticsTamil Nadu Agricultural UniversityCoimbatore 641003India Centre for Molecular Biology and Biotechnology Tamil Nadu Agricultural UniversityCoimbatore 641003India

Lodging is more than just plants falling over;it incurs significant economic losses for farmers leading to a decrease in both yield and quality of the final *** management practices,such as dense sowing,excessive nitrogen fertilizer applications,inappropriate sowing dates,and upland rice cultivation,exacerbate the risk of lodging in *** breeders have developed high-yielding rice varieties utilizing the sd1 gene,relying solely on this gene is insufficient to enhance lodging *** the traits that contribute to lodging resistance is *** factors include biochemical,anatomical,and morphological traits,such as the levels of lignin,cellulose,hemicellulose,silicon,and potassium,along with the number and area of vascular bundles and the thickness,diameter,and length of the ***,markers associated with lodging-related genes,like SCM2,SCM3,SCM4,and prl4,can be utilized effectively in marker-assisted backcrossing to develop rice varieties with desirable culm *** literature review aims to aid rice breeders in addressing the issue of lodging by examining traits that influence lodging resistance,developing phenotyping strategies for these traits,identifying suitable instrumentation,exploring methods for screening lodging-resistant plants,understanding the mathematical relationships involved,and considering molecular breeding aspects for pyramiding genes related to lodging.

关键词： rice lodging resistance breaking and bending type lodging culm strength SCM gene prl gene lignin cellulose

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