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. 2022 Jan 1;34(1):v34i1a12521.
doi: 10.17159/2078-516X/2022/v34i1a12521. eCollection 2022.

The core of performance in adolescent cricket pace bowlers: Trunk muscle stability, maybe, but not strength-endurance and thickness

F M Olivier  1   2 , B Olivier  1   2 , N Mnguni  1
Affiliations

The core of performance in adolescent cricket pace bowlers: Trunk muscle stability, maybe, but not strength-endurance and thickness

F M Olivier et al. S Afr J Sports Med. .

Abstract

Background: The trunk connects the upper and lower limbs and transfers energy during movement. Exploring the role of the trunk muscles in bowling performance affords us the opportunity to uncover potential mechanisms to improve bowling performance.

Objectives: To investigate the association between bowling performance and trunk muscle stability, strength-endurance and thickness in adolescent pace bowlers.

Methods: Adolescent pace bowlers participated in this cross-sectional study. Trunk muscle stability was measured using Sahrmann's Stability Scale, strength-endurance using the Bourbon Trunk Muscle Strength Test and thickness of the abdominal wall and lumbar multifidus muscles using ultrasound imaging.

Results: Forty-six pace bowlers with a mean age of 15.9 ±1.2 years participated. The average ball release speed was 109.2±11.8 km.h-1. This measurement was higher in level four of stability than in level two (mean difference 22.2 ± SD 6.8 km.h-1; p= .018). No link between ball release speed and strength-endurance could be found. Multiple correlations of moderate strength (r > 0.4) exist between ball release speed and absolute trunk muscle thickness with height and weight as confounding factors. The relationship between accuracy and the trunk muscle variables investigated in this study is weak.

Conclusion: Bowlers with better trunk muscle stability bowled faster than those with a lower level of trunk stability, irrespective of their age, height and weight. Trunk muscle thickness correlated with ball release speed; however, confounding factors such as height and weight play a role and therefore, findings need to be interpreted with caution.

Keywords: accuracy; ball release speed; core muscles; fast bowling.

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Conflict of interest statement

Conflict of interest and source of funding: The authors declare no conflict of interest. The authors would like to thank the Faculty Research Committee of the associated tertiary institution as well as the National Research Foundation for financial support.

Figures

Fig. 1
Fig. 1
Bowling accuracy target
Fig. 2
Fig. 2
Sahrmann Stability Scale: A) Level 1; B) Level 2; C) Level 3; D) Level 4; E) Level 5
See this image and copyright information in PMC

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