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1.
Article | IMSEAR | ID: sea-183653

ABSTRACT

Background: Aims: The purpose of this study was to examine the relationship between arm span, neck length and arm span to height ratio (AHR) with simple reaction time (RT). Methods: The study was conducted amongst 501 (232 females and 269 males) untrained University of Cape Coast students whose ages ranged from 17-29 years. Results: In this study it was found that there was significant correlation between AHR and RT in both males and females, there washowever no significant correlation between arm span nor neck length of participants and RT. Conclusion: AHR appears to significantly correlate with simple reaction time, but the direction of correlation appears to differ in males and females

2.
Int. j. morphol ; 31(2): 491-496, jun. 2013. ilus
Article in English | LILACS | ID: lil-687090

ABSTRACT

The objective of this study was to determine the rate of ossification of the medial epiphysis of the clavicle and some of the different factors that may influence the rate of ossification in the Ghanaian population. The study was a retrospective study and was conducted at the University of Cape Coast hospital, Cape Coast, Ghana. Chest x-rays of 1035 first year University of Cape Coast students admitted, for the 2008/2009 academic year were used. Statistically significant differences were produced for some of the stages when sex comparisons were done using the t-test for two independent groups with a 95 percent confidence level. Stages 2 (p=0.001), stage 3 (p<0.001) and stage 4 (p=0-001). The age of onset of ossification of the medial clavicle appeared generally to be earlier in females than in males. The stage of partial ossification of the medial clavicular epiphysis also lasted longer than in other studies indicating a delay in the ossification at this stage. In conclusion conventional x-ray of the medial clavicle can be an effective tool in assessing forensic age of subjects for any purpose; however there is a need to develop reference values that are specific for particular geographical areas.


El objetivo de este estudio fue determinar la tasa de osificación de la extremidad esternal de la clavícula y determinar algunos de los diferentes factores que pueden influir en la tasa de osificación en la población de Ghana. Se efectuó un estudio retrospectivo en el hospital de la Universidad de Cape Coast, Cape Coast, Ghana. Se utilizaron 1035 radiografías de tórax de estudiantes admitidos al primer año de la Universidad de Cape Coast, el año académico 2008/2009. Se observaron diferencias estadísticamente significativas para algunas de las etapas en que se realizan comparaciones de sexo mediante el t-test para dos grupos independientes con un nivel de confianza del 95 por ciento. Etapas 2 (p = 0,001), la etapa 3 (p <0,001) y la etapa 4 (p = 0-001). La edad de inicio de la osificación de la extremidad esternal de la clavícula aparecía generalmente antes en las mujeres que en los hombres. La etapa de osificación parcial de las extremidad esternal de la clavícula también duró más tiempo que lo relatado en otros estudios los cuales indican un retraso en la osificación en esta etapa. En conclusión la radiografía convencional de la extremidad esternal de la clavícula puede ser una herramienta eficaz en la evaluación forense de la edad de los sujetos, sin embargo existe necesidad de definir valores de referencia que sean específicos para determinadas zonas geográficas.


Subject(s)
Humans , Male , Adolescent , Adult , Female , Young Adult , Clavicle/anatomy & histology , Clavicle , Osteogenesis/physiology , Radiography, Thoracic , Ghana , Retrospective Studies , Sex Characteristics , Time Factors
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