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8th Asia Pacific Conference on Exercise and Sports Science 2017

Symposium Speaker 

Name:      Shazlin Shaharudin, PhD

Position:  Lecturer

Address:  Exercise and Sports Science Programme,

                 School of Health Sciences,

                 Universiti Sains Malaysia, 16150 Kubang Kerian,

                 Kelantan, Malaysia.

E-mail:     shazlin@This email address is being protected from spambots. You need JavaScript enabled to view it.

 

Dr. Shazlin Shaharudin is a Lecturer in the Exercise and Sports Science Programme, School of Health Sciences, Universiti Sains Malaysia (USM). She obtained her Bachelor of Science (Biomedicine) from Universiti Sains Malaysia; Masters of Science (Sports Science) from Universiti Sains Malaysia; and PhD in Biomechanics and Movement Science from University of Delaware, US. Her research interests include biomechanics of weightlifting, rowing and running. Her academic work has been published in international peer-reviewed journals. She serves as the executive board member of the Asian Council of Exercise & Sports Science (ACESS).

 

The effects of isokinetic versus isotonic rotator cuff training on kinematics of 1-RM power clean and power snatch of advanced level of adolescents weightlifters

The rotator cuff muscle is speculated to be the weakest link in the kinetic chain of weightlifting. The purpose of this study was to compare the effects of isokinetic and isotonic training and its cessation on barbell velocity during 1-RM power clean and power snatch. Nineteen advanced-level of adolescent weightlifters (age 14.47±1.37 years, range: 13-17 years old, body mass 62.82±16.24 kg, height 1.58±0.09) performed 1-RM power clean and power snatch. A 2-dimensional motion capture system Silicon Coach Pro software was used to collect the kinematic data in sagittal plane during the lift. These tests were commenced before the initiation of training, after the completion of training and one month following the training cessation. All test procedures were supervised by a senior level weightlifting coach and systematic progression of test load until the maximum resistance that could be lifted in 1-RM was determined. Data were analysed using general linear model 2-way analysis of variance (ANOVA) with repeated measure design. Analysis of data revealed no interaction between isokinetic and isotonic group in terms of 1-RM power clean and power snatch. Both groups showed a positive trend in terms of performance and barbell velocity during second pull and turn over phases of both 1-RM tests, although not statistically significant. The findings of this study showed that specific training on rotator cuff muscles may improve 1-RM power clean and power snatch performance of advanced level of adolescent weightlifters.


 

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