To compare the mean percentage improvement in coordination, strength and disability in overhead throw athletes with partial thickness tear of the rotator cuff following plyometric training in different phases of rehabilitation.
A total of 30 male overhead throwers suffering from partial thickness tear of the rotator cuff injury, on the basis of inclusion criteria were taken in the study. A full description of the study, including the selection process was explained to each patient. Documented consent was obtained from each patient. Group 1 consisted of athletes with history of rotator cuff injury one and half year back and group 2 included athletes with rotator cuff injury three months back. Coordination , strength and disability were assessed pre and post plyometric training for a period of three weeks and the mean percentage of improvement were compared in both the group following plyometric training.
Results-.intragroup analysis showed a significant improvement in coordination, strength with the level of significance (p<0.05).
Discussion & Conclusion –group 1 showed an improvement in the mean percentage in coordination, the strength of supraspinatus muscle , and bench press when compared to the group 2. While the group2 showed an improvement in mean percentage in the strength of the subscapularis, teres minor muscle and infraspinatus muscle when compared with the group1
Table of Contents
CHAPTER 1 INTRODUCTION
NEED OF THE STUDY
STATEMENT OF QUESTION
AIMS AND OBJECTIVES
HYPOTHESIS
OPERATIONAL DEFINATION
LIMITATION OF THE STUDY
VARIABLES
CHAPTER 2 REVIEW OF LITERATURE
CHAPTER 3 METHODOLOGY
STUDY DESIGN-
INCLUSION CRITERIA-10,11
INSTRUMENTATION-
PROCEDURE-
1RM
TRAINING PROTOCOL 17
CHAPTER 4 DATA ANALYSIS
CHAPTER 5 RESULTS
INTRAGROUP ANALYSIS-
MEAN PERCENTAGE CALCULATION.
CHAPTER 6 DISCUSSION
IMPROVEMENT IN STRENGTH
IMPROVEMENT IN COORDINATION
IMPROVEMENT IN DISABILTY
FUTURE SCOPE
CLINICAL RELEVENCE IN PRACTICE
CHAPTER 7 CONCLUSION
CHAPTER 8 REFERENCES
MASTER CHART
Research Objectives and Themes
The primary aim of this study is to evaluate and compare the effectiveness of plyometric training in improving physical performance parameters—specifically coordination, muscle strength, and the reduction of disability—in overhead throwing athletes who suffer from partial-thickness rotator cuff tears across different rehabilitation phases.
- Comparison of mean percentage improvement in physical metrics between two groups of athletes.
- Application of plyometric training protocols specifically tailored to rotator cuff rehabilitation.
- Assessment of upper extremity strength using 1RM (one repetition maximum) testing.
- Evaluation of disability levels through the SM-DASH (Disability of the Arm, Shoulder and Hand) sports module.
- Analysis of the neural adaptations and biomechanical impacts of stretch-shortening cycle exercises.
Extract from the Book
PLYOMETRIC TRAINING AND COORDINATION
Terese L Chmielewski, Gregory D Myer, 2006, in the article Plyometric exercise in the rehabilitation of athletes: physiological responses and clinical application discussed how plyometric training improves motor coordination and joint stability.
The reflex mechanisms called as “length feedback “ and “force feedback” result from neural signals generated muscle receptors that project back to the muscle of origin as well as the other muscles too. Signals generated by the by the muscle stretch were termed as length feedback and those generated by the muscle force were termed as force feedback, the length feedback links muscles that are synergists through excitatory feedback and those with opposite actions by reciprocal inhibition. Length feedback contributes to joint stiffness while force feedback regulates coupling between the joints, together these two feedbacks induced during the loading phase of a plyometric activity have a potential to improve motor coordination.
Summary of Chapters
CHAPTER 1 INTRODUCTION: This chapter provides an overview of rotator cuff injuries in overhead athletes, discusses the need for the study, and outlines the research hypothesis and objectives.
CHAPTER 2 REVIEW OF LITERATURE: This section reviews existing research regarding partial-thickness rotator cuff tears, their incidence, muscular functions, and the role of plyometric training in rehabilitation.
CHAPTER 3 METHODOLOGY: This chapter details the study design, inclusion criteria for the subjects, the specific instrumentation used, and the applied plyometric and strength-testing protocols.
CHAPTER 4 DATA ANALYSIS: This section explains the statistical methods, including independent and dependent t-tests, used to quantify the research results.
CHAPTER 5 RESULTS: This chapter presents the data gathered from the study, providing intragroup and intergroup analysis of coordination, strength, and disability improvement.
CHAPTER 6 DISCUSSION: This chapter interprets the findings, compares them with previous literature, and discusses the clinical relevance and future scope of the research.
CHAPTER 7 CONCLUSION: The final chapter summarizes the findings, confirming that three weeks of plyometric training is beneficial for the rehabilitation of the studied athletes.
Keywords
Partial tear of the rotator cuff, plyometric training, overhead throwers, rehabilitation, coordination, strength, disability, SM-DASH, 1RM, stretch-shortening cycle, neuromuscular control, sports medicine, rotator cuff, overhead athletes, internal rotation
Frequently Asked Questions
What is the core focus of this research?
The thesis focuses on determining if plyometric training can improve coordination, strength, and functional disability in overhead athletes diagnosed with partial-thickness rotator cuff tears.
Which topics are central to this research?
Key topics include plyometric training protocols, rotator cuff injury rehabilitation, neuromuscular adaptation, and the biomechanics of overhead throwing.
What is the main goal of the study?
The primary goal is to compare the mean percentage improvement of physical parameters in two groups of athletes at different stages of their recovery following a 3-week plyometric program.
Which methods were utilized to assess the athletes?
The researcher used 1RM strength testing for specific muscle groups, a standardized hand-eye coordination test, and the SM-DASH (Disability of the Arm, Shoulder and Hand) sports module.
What aspects of the rehabilitation are covered in the main body?
The study covers the transition from traditional rehabilitation to sport-specific plyometric drills, including medicine ball usage and specific push-up variations.
Which keywords define this work?
Significant keywords include plyometric training, rotator cuff, overhead throwers, neuromuscular control, and functional strength.
How did the training protocols differ between the two groups?
Group 1 utilized plyometric push-ups along with medicine ball work, while Group 2 was administered dynamic push-ups along with medicine ball work, reflecting their different recovery timelines.
What did the study conclude regarding SM-DASH scores?
The study found a statistically significant improvement in the SM-DASH scores for Group 2, indicating a reduction in perceived disability after the three-week training period.
- Arbeit zitieren
- Ritika Patel (Autor:in), 2013, Plyometric training in overhead throwers with partial thickness tear of the rotator cuff muscles, München, GRIN Verlag, https://www.grin.com/document/284550
