7 research outputs found
Diferencias del autoconcepto fĂsico en practicantes y no practicantes de actividad fĂsica en estudiantes universitarios
La presente investigaciĂłn tuvo como objetivos identificar las diferenciasdel autoconcepto fĂsico en practicantes regulares y no practicantesde actividad fĂsica en estudiantes universitarios. Participaron 208 estudiantesuniversitarios entre 18 y 31 años de los cuales el 49% realizan actividadfĂsica regular y el 51% no practican de forma regular o no realizan ningunaactividad fĂsica y se les aplicĂł el Cuestionario de Autoconcepto FĂsico (CAF)de Moreno y CervellĂł (2005). En todas las dimensiones del autoconceptofĂsico, asĂ como en las escalas generales de autoconcepto fĂsico y autoconceptogeneral, se encontraron diferencias estadĂsticamente significativas alobtener p-valores debajo de α=.05, esto indica que las autopercepciones fĂsicasy las autopercepciones generales estĂĄn medidas por la actividad fĂsica,por lo que se sustenta la importancia que tiene la actividad fĂsica en losuniversitarios
Diferenças do autoconceito fĂsico em praticantes e nĂŁo praticantes de actividade fĂsica em estudantes universitĂĄrios
La presente investigaciĂłn tuvo como objetivos identificar las diferencias
del autoconcepto fĂsico en practicantes regulares y no practicantes
de actividad fĂsica en estudiantes universitarios. Participaron 208 estudiantes
universitarios entre 18 y 31 años de los cuales el 49% realizan actividad
fĂsica regular y el 51% no practican de forma regular o no realizan ninguna
actividad fĂsica y se les aplicĂł el Cuestionario de Autoconcepto FĂsico (CAF)
de Moreno y CervellĂł (2005). En todas las dimensiones del autoconcepto
fĂsico, asĂ como en las escalas generales de autoconcepto fĂsico y autoconcepto
general, se encontraron diferencias estadĂsticamente significativas al
obtener p-valores debajo de α=.05, esto indica que las autopercepciones fĂ-
sicas y las autopercepciones generales estĂĄn medidas por la actividad fĂsica,
por lo que se sustenta la importancia que tiene la actividad fĂsica en los
universitarios.ABSTRACT: The present investigation objective was to identify the differences
of physical self-concept in regular practitioners and non-practitioners of
physical activity in college students. A group of 208 college student between
18 and 31 years participated, of which 49% perform physical activity
on a regular basis and 51% do not practice regularly or do not perform any
physical activity, and the Physical Self-Concept Questionnaire of Moreno
& CervellĂł (2005) was applied. In all dimensions of physical self-concept, as well as the general scales of physical self-concept and general self-concept,
statistically significant differences were found obtaining p-values below α
= .05, this indicates that the physical self-perceptions and general self-perceptions
are measured by physical activity, so it sustains the importance of
physical activity in the self-concept of college students.RESUMO: A presente investigação teve como objectivo identificar as diferenças
do autoconceito fĂsico em praticantes regulares e nĂŁo praticantes de
actividade fĂsica em estudantes universitĂĄrios. Participaram no estudo 339
estudantes universitĂĄrios entre os 18 e os 31 anos dos quais 49% realizam
actividade fĂsica regular e 51% nĂŁo praticam de forma regular ou nĂŁo realizam
nenhuma actividade fĂsica, aos quais foi aplicado o QuestionĂĄrio
de Autoconceito FĂsico (CAF) de Moreno e CervellĂł (2005). Em todas as
dimensĂ”es do autoconceito fĂsico, assim como nas escalas gerais de autoconceito
fĂsico e autoconceito geral, foram verificadas diferenças estatisticamente
significativas ao serem obtidos p-values abaixo de α=.05, indicando
que as autopercepçÔes fĂsicas e as autopercepçÔes gerais sĂŁo medidas pela
actividade fĂsica, enfatizando a importĂąncia que tem a actividade fĂsica nos
estudantes universitĂĄrio
Îł-Tubulin Is Required for Proper Recruitment and Assembly of Kar9âBim1 Complexes in Budding Yeast
Microtubule plus-endâinteracting proteins (+TIPs) promote the dynamic interactions between the plus ends (+ends) of astral microtubules and cortical actin that are required for preanaphase spindle positioning. Paradoxically, +TIPs such as the EB1 orthologue Bim1 and Kar9 also associate with spindle pole bodies (SPBs), the centrosome equivalent in budding yeast. Here, we show that deletion of four C-terminal residues of the budding yeast Îł-tubulin Tub4 (tub4-Îdsyl) perturbs Bim1 and Kar9 localization to SPBs and Kar9-dependant spindle positioning. Surprisingly, we find Kar9 localizes to microtubule +ends in tub4-Îdsyl cells, but these microtubules fail to position the spindle when targeted to the bud. Using cofluorescence and coaffinity purification, we show Kar9 complexes in tub4-Îdsyl cells contain reduced levels of Bim1. Astral microtubule dynamics is suppressed in tub4-Îdsyl cells, but it are restored by deletion of Kar9. Moreover, Myo2- and F-actinâdependent dwelling of Kar9 in the bud is observed in tub4-Îdsyl cells, suggesting defective Kar9 complexes tether microtubule +ends to the cortex. Overproduction of Bim1, but not Kar9, restores Kar9-dependent spindle positioning in the tub4-Îdsyl mutant, reduces cortical dwelling, and promotes Bim1âKar9 interactions. We propose that SPBs, via the tail of Tub4, promote the assembly of functional +TIP complexes before their deployment to microtubule +ends