ESS - FIS - Posters apresentados em eventos científicos
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- Activation timings of the scapular stabilizers in subjects with a stroke affecting the right versus left hemispheresPublication . Ferreira, S.; Silva, Cláudia; Silva, A.; Carvalho, Paulo; Santos, RubimLesions affecting the right hemisphere influence the ability to plan the virtual reaching trajectory and, consequently the postural control. On the other hand, left hemisphere lesions affect the ability to select the adequate motor program to reach the target. This study aimed to explore the existence of differences at the activation timings and sequence of activation of the scapular stabilizers, mainly the serratus anterior, superior, middle and inferior trapezius fibers, in relation to the anterior deltoid, in subjects with a stroke affecting the right versus left hemispheres, during reaching. Besides, it aimed to establish comparisons between both sides of each subject and a group of subjects without of each subject and a group of subjects without pathology.
- Ankle behaviour during sitting to standing sequence in premature infantsPublication . Machado, Sónia; Moreira, Ana; Silva, Cláudia; Araújo, Daniela; Santos, RubimPremature infants often presents a different CNS structure and maturity, that frequently has influence on postural control (PC), and prematurity is also a risk factor for spastic diplegic cerebral palsy (CP). The movement sequence from sitting to standing (STS), being one of motor learning tasks that requires PC at the level of the ankle, seems to be a functional task often compromised in premature infants with and without CP.
- Antagonist coativation in stroke vs healthy subjects during sit-to-standPublication . Silva, Augusta; Sousa, Andreia S. P.; Silva, Cláudia; Santos, Rubim; Tavares, João Manuel R. S.; Calheno, Teresa; Sousa, FilipaHigh levels og antagonista coativation is frequently found in post stroke subjects, related with postural control impairments. The bilateral postural control dysfunction expected in post-stroke subjects is due to the bilateral disposal of reticulospinal system.
- Can ankle anticipatory postural adjustments associated with gait initiation be modifiede in post stroke subjects submitted to a physiotherapy program?Publication . Pereira, S.; Silva, A.; Silva, C.; Sousa, A.; Gomes, J.; Faria, S.; Santos, RubimPostural control is a complex ability of the central nervous system, fundamental prerequisite in several motor programs, that is often compromised after central nervous system injury, particularly in ischemic events involving the middle cerebral artery. Stroke in this territory frequently compromise cortical output from pre-motor and supplementary motor areas and their connectivity with subcortical structures such as reticular formation.
- Coincidence detection in PETPublication . Clemêncio, Filomena; Landeck, JorgeA complex task for PET cameras is the design of a coincidence detection system that allows for a very tight time window. This brings us necessarily to discussing the concept of coincidence in PET (including the concepts of single, prompt and multiple events in a PET chamber), the different options for coincidence sorting and the concept of Field of View (FOV). We present results from a coincidence system we implemented in a Xilinx Virtex-5 FPGA with coincidence time windows of the order of a few hundred picoseconds and capable of FOV selection and multiple coincidence rejection implemented in real-time.
- Comparing the effects of two different intervention programs on mobility, balance and risk of falls in elderly individualsPublication . Azevedo, Ricardo; Oliveira, Bibiana; Silva, Ana Sofia; Matos, Paula; Coelho, Tiago; Fernandes, Ângela; Santos, Rubim; Portugal, PaulaMobility and balance impairments are frequent in old age. Consequently, elderly individuals may present a higher risk of falling, which in turn can have dire consequences.
- Comparing the effects of two different intervention programs on the level of axiety and depression in elderly individualsPublication . Silva, Ana Sofia; Oliveira, Bibiana; Matos, Paula; Lopes, Daniela; Portugal, Paula; Coelho, Tiago; Fernandes, Ângela; Santos, RubimThroughout the process of aging, there are several changes that can cause postural instability or balance disability, increasing the number of fall in elderly.
- Core muscles activity levels during lumbar stabilization exercisesPublication . Ramos, Inês Oliveira; Vilas Boas, Joana; Branco, Sofia; Pereira, Ana; Carvalho, Paulo; Santos, RubimThis study examined the muscle activity levels of abdominal and back muscles while subjects performed specific exercises for lumbar stabilization training with abdominal bracing and drawing-in.
- Effects of low doses of external radiation from 137Cs on Lactuca sativa seedling and Daphnia magna reproductionPublication . Teles, Luís; Henriques, Marta; Santos, Rubim; Barros, PiedadeNaturally occurring cesium exists as a stable isotope 133Cs in the earth crust in granites and in sedimentary rocks. Cesium has very low mobility in soil surfaces.
- Influence of foot alignment in anticipatory postural adjustments in children with cerebral palsyPublication . Geraldo, Nathalie; Silva, Cláudia; Araújo, Daniela; Santos, RubimThe difficulty in the organization of anticipatory postural adjustments (APAs) is often associated with lack of postural control (PC) in children/young people with motor spastic hemiplegia, resulting from cerebral palsy (CP). Biomechanical changes of the tibiotarsal and foot characteristics are commonly observed in these children/young people and influence the PC as a whole