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Title: The effect of core stability on male water polo players’ jump height and throwing velocity
Authors: McKenzie, Nicole Ashley 
Keywords: Core stability;Male;Water polo;Jump height;Velocity
Issue Date: 30-Nov-2020
Water polo is a highly competitive and physical sport where athletes are continuously
looking for ways to improve their performance and reduce injuries. Core stability has been
extensively studied in its role to improve athletic performance and to reduce the risk of
injuries in overhead throwing athletes.
To determine the role of core stability in male water polo players’ by identifying the
relationship between core stability, jump height and throwing velocity.
To measure core stability, jump height (cm) and throwing velocity (km/h) in male water polo
players and to identify if any correlations exist between them.
Core stability was assessed in twenty-six asymptomatic male water polo athletes using the
PRONE and SUPINE tests. Participants jump height (cm) and throwing velocity (km/h) were
measured using a modified yard stick and speed radar gun. IBM SPSS version 24 was used
to analyse the data. A probability (p) value less than 0.05 was considered statistically
The mean values for jump height were calculated at maximum head height (64.22 cm) and
head height at ball release (59.50 cm) respectively. Throwing velocities ranged from 50.33
km/h to 77.33 km/h. There was a significant relationship between: core stability and
maximum head height (p=0.027), head height at ball release (p=0.025) and throwing
velocity (p=0.001). Significant correlations were depicted among the three outcome
measures. The strongest relationship was between maximum head height and head height
at ball release (r = 0.945).
The results of this study show that core stability significantly affects throwing velocity and
jump height in water polo athletes with the largest difference being between moderate and
excellent core stability.
Dissertation submitted in partial compliance with the requirements for the Master’s Degree in Technology: Chiropractic at the Durban University of Technology, 2020.
Appears in Collections:Theses and dissertations (Health Sciences)

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