Author(s): Manoj TI and Arun C Nair

Abstract:
The purpose of this study is to correlate the usefulness of Seated Medicine ball throw (SMBT) as a reliable alternate test to evaluate upper body strength using grip dynamometer of the both hands in a healthy adult sample of male and female under graduate students of Kerala Agricultural University. Subjects selected for the study consist of 141 undergraduate students of College of Agriculture, Vellayani, Thiruvananthapuram, Kerala, India. The sample consist of 98 female and 41 male students. Seated Medicine Ball Throw is also called the medicine ball chest pass performance was taken from the participants using 3 kg and 2 kg medicine ball for male and female students respectively. Peak grip strength of each hand were taken using Digital Dynamometer in Kg. The total grip strength was calculated by adding the average of best performance of each hand in Kg. In this study there were 141 participants (98 female and 41 male students) for SMBT and grip strength variables. SMBT having mean of 2.217 ± 0.788. The grip strength total (average grip strength) having a mean of 28.607 kg ± 10.573. Pearson product-moment analyses revealed significant correlation between participants seated medicine ball throw (SMBT) performance with grip strength left (r= .737), grip strength right (r= .713) and grip strength total (r= .738). Simple regression analysis also indicated that SMBT emerged as a significant predictor of total grip strength and based on the results β the linear prediction equation was developed. The predictor explained 64.4% of variance in SMBT (Adjusted R Squire = 0.644), which means that model is strong enough and SMBT can be used as an alternate test for upper body strength among the under graduate students.

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