Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 37 for “"rate of force development"”.
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MEASURES OF MUSCLE STRENGTH, RATE OF FORCE DEVELOPMENT, AND FATIGUABILITY ACROSS THE MENSTRUAL CYCLE
… the menstrual cycle paired with a shortage of literature on female physiology in exercise have made understanding on female exercise performance troublesome. Performance-based research has fallen behind and the increase in women participation and current evidence does not warrant general …
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7-WEEKS OF YOGA TRAINING AND ITS EFFECTS ON FLEXIBILITY, RATE OF FORCE DEVELOPMENT, AND JUMP HEIGHT IN OLYMPIC WEIGHTLIFTERS
<p>The purpose of the current study was to determine what effects 7-weeks of yoga training had on Olympic weightlifters flexibility, rate of force development, and jump height. Pre- and post-testing was performed consisting of flexibility and jump performance measurements. The participants …
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The effect of maximal isometric training on doublet-induced force enhancement and its relationship with changes in voluntary rate of force development
… muscle activation, are known to cause muscle force to exceed that predicted from a standard, linear summation of twitch forces. However, although a marked increase in the occurrence of motor unit doublets at the onset of a contraction has been observed after explosive-type exercise training, …
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Use of Isometric Mid-Thigh Pull to Determine Asymmetrical Strength Differences in NCAA D-I Athletes.
<p>The purpose of this study is to investigate the use of isometric mid-thigh pulls to determine lower-limb asymmetrical strength differences in NCAA D-I athletes. Sixty-six subjects (40 males and 26 females) performed 2 maximal effort isometric pulls over two force plates sampling at 1000 Hz each. …
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USING ADDITIONAL MEASURES OF HANDGRIP STRENGTH TO PREDICT AEROBIC CAPACITY IN WHEELCHAIR USERS
… and impaired ability to perform activities of daily living. Current tests and protocols for assessing physical capacity in wheelchair users have specific boundaries. Measuring handgrip strength (HGS) with electronic handgrip dynamometers has been shown to be a reliable measure of muscle …
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Impact Of Hydration On Collegiate Athletic Performance, Fatigue, And Recovery
The impact of dehydration on several key physiological functions that are critical for athletic performance is well studied. Hydration monitoring has been known to have significant value on impaired physical functions by maximizing performance during training and competition. Impaired physical …
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Relationship Between Metabolic By-Products and Nervous System Failure/Fatigue
… generally been defined as an acute impairment of exercise/sport performance that includes both an increase in the perceived effort necessary to exert a desired force or power output, and the inability to produce the desired force or power output. The majority of research to date looking at …
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Net Impulse and Net Impulse Characteristics in Vertical Jumping
<p>The purpose of this dissertation was to explore the potential use of net impulse and its characteristics in vertical jumping to monitor athletes' performance status and responses/adaptations to interventions. Five variables were proposed as net impulse characteristics: net impulse height and …
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The influence of myosin regulatory light chain phosphorylation on the contractile performance of fatigued mammalian skeletal muscle
ABSTRACT The myosm regulatory light chain (RLC) of type II fibres is phosphorylated by Ca2+ -calmodulin dependent myosin light chain kinase (skMLCK) during muscular activation. The purpose of this study was to explore the effect of skMLCK gene ablation on the fatigability of mouse skeletal muscles …
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The Relationship between Isometric Force Characteristics and Vertical Jump Height under Various Loading Conditions.
… to examine the relationship between isometric force characteristics (IF) and vertical jump height under various loading conditions. Sixty-three collegiate athletes participated in this investigation. Athletes performed static jump (SJ) and countermovement jumps (CMJ) with 0 and 20kg, and …
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A Practical Comparison Between Traditional Periodization and Daily-Undulated Weight Training Among Collegiate Track and Field Athletes.
<p>Recently, comparisons of "periodized" strength training methods have become a focus of sport science. Daily undulating periodization (DUP), using daily alterations in repetitions, has been developed and touted as a superior method of training. The purpose of this study is to compare traditional …
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Acute Effects of Whole-Body Vibration on 30 Meter Fly Sprint Performance in NCAA Division I Sprinters and Jumpers.
<p>The purpose of this study was to identify a potentiation effect on 30 meter (m) fly sprint performance in collegiate sprinters and jumpers (M=21, W=5) following an acute bout of whole-body vibration. The WBV protocol consisted of one 30 second bout at 50 Hz, ~3 mm amplitude, and 60 seconds rest …
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Effects of Short-Term Resistance Training on Adult Men and Women with and without Metabolic Syndrome.
<p>Resistance training can alter a number of health-related and performance variables. These alterations include beneficial effects on body composition, blood pressure, and blood lipids and enhanced maximum strength, rate of force development, and power. These enhancements may translate into a …
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Practical Applications of Strength and Conditioning Practices in Elite Male Football
… projects, each exploring the implementation of strength and conditioning (S&C) practices in professional football, and how these practices are applied in the real-world setting. The overview combines the findings to explore the relationships between the different projects and aims to build a …
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The Acute Effects Of Alpha-Gpc On Hand Grip Strength, Jump Height, Power Output, Mood, And Reaction-Time In Recreationally Trained, College-Aged Individuals
… in the current research literature on the topic of alpha-GPC ingestion in young healthy adults in the cognitive and anaerobic paradigms, potentially shedding new light on the theoretical synergistic effect of caffeine and alpha-GPC. </p> <p>Purpose: To investigate and identify the acute effects …
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Thick filament regulation of myocardial contraction
The ability of the heart to function as a pump is governed by mechanisms intrinsic to individual cardiac myocytes. The experiments in this dissertation were designed to examine the effects of sarcomere length and thick filament protein isoform expression on the contractile properties of single …
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The effect of dietary supplementation on fatigue and recovery after resistance exercise in females
Resistance exercise has been a popular form of muscle strength development for sport participants. This type of exercise activates a wide variety of physiological mechanisms involved with the exercising of muscle. The aim of this thesis was to investigate responses to dietary supplementation on …
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Sex differences in the neural control of muscle
… in the lower limb, it allows for a determination of whether potential sex-differences in neural control exist without large differences in biomechanics. Understanding sex-differences allows for prescription of rehabilitation and training modalities, taking into account potential specificities in …
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The biomechanical demands of snowboard landings in training with elite freestyle snowboard athletes
Freestyle snowsport has emerged as one of the fastest growing Winter Olympic sports in the past decade, despite this no countries/teams have published data explaining the sports biomechanical demands in training or competition. Information describing the kinetic, kinematic and muscular demands …
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The Effects of Lactate on Whole Muscle Function and Sarcoplasmic Reticulum Function
Numerous studies have attributed the decrease in force production of skeletal muscle during exercise to a increase in lactate concentration ([lactate]). This notion is based on the high negative correlation between plasma lactate and force during fatigue and recovery. These experiments attempted to …
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