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Gheytasi M, Yazdani S, Ghiyami A. Comparison of Balance, Power, and Muscular Endurance Among Volleyball Players in Three Attacking Positions. J Sport Biomech 2026; 12 (3) :532-544
URL: http://biomechanics.iauh.ac.ir/article-1-500-en.html

Objective The present study aimed to compare balance, power, and muscular endurance among volleyball players in three specialized attacking positions: outside hitter, middle blocker, and opposite hitter.
Methods Thirty professional volleyball players were recruited through purposive sampling. Balance was assessed using the Y-Balance Test and a digital balance board. Upper-limb power was evaluated using the medicine ball throw test, whereas lower-limb power was assessed using the standing long jump and vertical jump tests. Core muscular endurance was measured using the plank test. The collected data were analyzed using one-way analysis of variance (ANOVA).
Results The results showed no significant differences among the three groups of attacking players (outside hitters, middle blockers, and opposite hitters) in balance, power, or muscular endurance (P > 0.05).
Conclusion The findings indicate that professional volleyball players occupying attacking positions exhibit a similar biomechanical profile with respect to balance, power, and muscular endurance. These results suggest that playing position does not substantially influence these general physical performance characteristics. The observed homogeneity may reflect the shared physical demands of modern volleyball, similar training regimens, and the consistently high level of physical preparedness required of all attacking players at the professional level. Therefore, coaches may adopt common foundational training programs for attacking players while reserving position-specific training for technical and tactical skills. Future studies involving larger samples and more sensitive biomechanical assessments are recommended to identify potential position-specific differences.