Ignite Creation Date:
2024-10-26 @ 3:38 PM
Last Modification Date:
2024-10-26 @ 3:38 PM
Study NCT ID:
NCT06573879
Status:
COMPLETED
Last Update Posted:
None
First Post:
2024-08-21
Brief Title:
Effect of Eccentric Exercise on Musculus Triceps Surae Muscle Architecture Muscle Strength and Performance
Sponsor:
None
Organization:
None
Study Overview
Official Title:
Effect of Eccentric Exercise on Musculus Triceps Surae Muscle Architecture Muscle Strength and Performance in Young Volleyball Players
Status:
COMPLETED
Status Verified Date:
2024-09
Last Known Status:
None
Delayed Posting:
No
If Stopped, Why?:
Not Stopped
Has Expanded Access:
No
If Expanded Access, NCT#:
N/A
Has Expanded Access, NCT# Status:
N/A
Acronym:
None
Brief Summary:
This study investigates the architecture muscle strength and performance of skeletal muscles Skeletal muscles constitute a mass of muscle fascicles connected to bones via tendons Muscle architecture is defined as the geometric arrangement of muscle fiber bundles in relation to the axis that generates force This arrangement influences the muscles contraction speed force generation capacity and range of motion Ultrasonography is a method for examining muscle morphology without radiation exposure The architectural features of muscles have been a proven method for evaluating and enhancing muscle function The purpose of this study is to examine the effects of eight weeks of eccentric exercises on the right and left triceps surae muscles in young volleyball players This investigation aims to contribute to the literature concerning muscle architecture The study will be conducted using statistical analysis and the SPSS program
The study has obtained ethical approval and will be conducted at Istanbul Medipol University Thirty healthy young volleyball players will be involved in this research The participants muscle architecture strength and performance will be measured Additionally the impact of eccentric exercises will be examined and statistical data analysis will be carried out
Ultimately this study aims to explore the effects of eccentric exercise on the muscle architecture and performance of young volleyball players aiming to contribute to the literature by understanding and enhancing muscle function and performance
The study has obtained ethical approval and will be conducted at Istanbul Medipol University Thirty healthy young volleyball players will be involved in this research The participants muscle architecture strength and performance will be measured Additionally the impact of eccentric exercises will be examined and statistical data analysis will be carried out
Ultimately this study aims to explore the effects of eccentric exercise on the muscle architecture and performance of young volleyball players aiming to contribute to the literature by understanding and enhancing muscle function and performance
Detailed Description:
Skeletal muscles are organized masses of muscle fascicles covered with connective tissue attached to bones at both ends through tendons The volume of a muscle is largely determined by the total number of sarcomeres within that muscle Sarcomeres are approximately 1 µm in diameter and 2-3 µm in length These functional units are aligned end-to-end to form myofibrils which are packed parallel to create muscle fibers approximately 50 µm in diameter in humans Bundling these muscle fibers in parallel forms fascicles approximately 1 to 3 mm in diameter in humans which in turn combine in parallel to create muscles
Muscle architecture is defined as the geometric arrangement of muscle fiber bundles concerning the axis that generates force Muscles with fibers extending longitudinally along the muscle length possess longitudinal muscle architecture while muscles with fibers running at a certain angle along the muscle length and containing shorter fibers possess pennate or multipennate muscle architecture
This arrangement affects a muscles contraction speed force generation capacity and range of motion known as excursion In pennate muscles bundles of fibers referred to as fascicles are positioned obliquely and attach to the muscles aponeuroses The angle at which a fascicle attaches to the aponeurosis defines the pennation angle The distance between epimysiums superficial and deep aponeuroses in ultrasonography defines the anatomical muscle thickness These parameters of skeletal muscle architecture are measured through muscle physiology and biomechanical studies to determine the anatomical and contractile characteristics of the muscles Typical parameters included in architectural analysis are fiber length pennation angle and physiological cross-sectional area
Ultrasonography enables the examination of muscle morphology without radiation exposure Fascicle length pennation angle and muscle thickness can be measured in vivo using two-dimensional 2D B-mode ultrasonography In ultrasonographic imaging normal muscle tissue appears as a structure with low echo intensity As the epimysium surrounding the muscle is quite reflective the muscles boundaries are clearly visible
While skeletal muscles show significant structural similarities at a microscopic level muscle architecture is the fundamental factor creating differences in strength and functional capabilities Understanding the architectural features of muscles allows for the effective assessment and improvement of muscle function Loading placed on muscles results in an adaptive process leading to muscle development Muscle architecture allows the macroscopic understanding and interpretation of this adaptation process
Although muscle strength is primarily determined by genetic structure it is also influenced by factors such as the level of physical activity age gender motivation and nutrition The magnitude of the cross-sectional area of a muscle - which includes the number of engaged fibrils and the size of these fibrils - accounts for the muscles strength Developing these aspects is achievable through exercise
Exercise is defined as a planned structured intentional and continuous activity aimed at enhancing physical fitness Strength training exercises are designed to increase muscle strength and endurance by applying resistance
One type of exercise eccentric exercises involves movements against gravity using body weight or additional loads Eccentric exercises are utilized to increase muscle strength and mass More muscle strength can be generated through these exercises compared to concentric or isometric exercises Due to their features in injury prevention rehabilitation and improving physical fitness in healthy individuals eccentric training has become quite popular However findings regarding the effects of eccentric training on the m triceps surae are contradictory Some studies show that eccentric training promotes an increase in muscle fiber length pennation angle and muscle thickness while others find no changes in these architectural outcomes This might be due to the non-uniform distribution of loads among synergistic muscles and the observation of different mechanical loads for different components of the m triceps surae Additionally short muscle fibers are more sensitive to muscle damage caused by eccentric training compared to long muscle fibers Considering the differences in architectural features of m triceps surae segments GM GL SO and PL eccentric exercises may produce different results
The aim of the study is to investigate the effects of 8 weeks of eccentric exercises performed three times a week for a total of 24 sessions on the muscle architecture of the m triceps surae in healthy female participants Ultrasonography will be utilized to measure fascicle length pennation angle and muscle thickness in the gastrocnemius medialis GM gastrocnemius lateralis GL soleus SO and plantaris PL muscles before and after the exercise program It is hypothesized that an 8-week eccentric exercise program will increase fascicle length pennation angle and muscle thickness in the m triceps surae muscles The architectural adaptations to eccentric exercises must be understood to develop effective exercise programs for improving muscle strength and function
Muscle architecture is defined as the geometric arrangement of muscle fiber bundles concerning the axis that generates force Muscles with fibers extending longitudinally along the muscle length possess longitudinal muscle architecture while muscles with fibers running at a certain angle along the muscle length and containing shorter fibers possess pennate or multipennate muscle architecture
This arrangement affects a muscles contraction speed force generation capacity and range of motion known as excursion In pennate muscles bundles of fibers referred to as fascicles are positioned obliquely and attach to the muscles aponeuroses The angle at which a fascicle attaches to the aponeurosis defines the pennation angle The distance between epimysiums superficial and deep aponeuroses in ultrasonography defines the anatomical muscle thickness These parameters of skeletal muscle architecture are measured through muscle physiology and biomechanical studies to determine the anatomical and contractile characteristics of the muscles Typical parameters included in architectural analysis are fiber length pennation angle and physiological cross-sectional area
Ultrasonography enables the examination of muscle morphology without radiation exposure Fascicle length pennation angle and muscle thickness can be measured in vivo using two-dimensional 2D B-mode ultrasonography In ultrasonographic imaging normal muscle tissue appears as a structure with low echo intensity As the epimysium surrounding the muscle is quite reflective the muscles boundaries are clearly visible
While skeletal muscles show significant structural similarities at a microscopic level muscle architecture is the fundamental factor creating differences in strength and functional capabilities Understanding the architectural features of muscles allows for the effective assessment and improvement of muscle function Loading placed on muscles results in an adaptive process leading to muscle development Muscle architecture allows the macroscopic understanding and interpretation of this adaptation process
Although muscle strength is primarily determined by genetic structure it is also influenced by factors such as the level of physical activity age gender motivation and nutrition The magnitude of the cross-sectional area of a muscle - which includes the number of engaged fibrils and the size of these fibrils - accounts for the muscles strength Developing these aspects is achievable through exercise
Exercise is defined as a planned structured intentional and continuous activity aimed at enhancing physical fitness Strength training exercises are designed to increase muscle strength and endurance by applying resistance
One type of exercise eccentric exercises involves movements against gravity using body weight or additional loads Eccentric exercises are utilized to increase muscle strength and mass More muscle strength can be generated through these exercises compared to concentric or isometric exercises Due to their features in injury prevention rehabilitation and improving physical fitness in healthy individuals eccentric training has become quite popular However findings regarding the effects of eccentric training on the m triceps surae are contradictory Some studies show that eccentric training promotes an increase in muscle fiber length pennation angle and muscle thickness while others find no changes in these architectural outcomes This might be due to the non-uniform distribution of loads among synergistic muscles and the observation of different mechanical loads for different components of the m triceps surae Additionally short muscle fibers are more sensitive to muscle damage caused by eccentric training compared to long muscle fibers Considering the differences in architectural features of m triceps surae segments GM GL SO and PL eccentric exercises may produce different results
The aim of the study is to investigate the effects of 8 weeks of eccentric exercises performed three times a week for a total of 24 sessions on the muscle architecture of the m triceps surae in healthy female participants Ultrasonography will be utilized to measure fascicle length pennation angle and muscle thickness in the gastrocnemius medialis GM gastrocnemius lateralis GL soleus SO and plantaris PL muscles before and after the exercise program It is hypothesized that an 8-week eccentric exercise program will increase fascicle length pennation angle and muscle thickness in the m triceps surae muscles The architectural adaptations to eccentric exercises must be understood to develop effective exercise programs for improving muscle strength and function
Study Oversight
Has Oversight DMC:
None
Is a FDA Regulated Drug?:
None
Is a FDA Regulated Device?:
None
Is an Unapproved Device?:
None
Is a PPSD?:
None
Is a US Export?:
None
Is an FDA AA801 Violation?:
None