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Rozprawy doktorskie na temat „Isometric strength”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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1

Harries, U. "Measurement of isometric and isokinetic strength in the elderly." Thesis, University of Nottingham, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376523.

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Mentiplay, Benjamin Frydlender. "Associations between gait and isometric lower limb strength following stroke." Thesis, Australian Catholic University, 2017. https://acuresearchbank.acu.edu.au/download/607fcbb00542f6eb1ec34dfc3f8c73c97fd5443fd09bbec3f6e481fcc3d812c2/21469489/EMBARGO_5YRS_Mentiplay_2017_Associations_between_gait_and_isometric_lower_limb.pdf.

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Stroke is a leading cause of disability worldwide. The most commonly stated goal following stroke is to regain the ability to walk independently, resulting in a large amount of rehabilitation time focussed on gait retraining. Identification of key variables that relate to and affect gait function is important in order to understand the factors associated with impaired gait and to guide future intervention strategies. Reduced muscle strength has been proposed as a key contributor to physical limitations after stroke and is commonly assessed in clinical and research settings. The aim of this the

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3

Bailey, Christopher A. "Force Production Symmetry During Static, Isometric, and Dynamic Tasks." Digital Commons @ East Tennessee State University, 2014. https://dc.etsu.edu/etd/2388.

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The purpose of this dissertation was to examine the existence of force production and strength symmetry while concentrating on its role with performance. Specifically, in this dissertation I sought to determine if differences in symmetry exist between male and female athletes as well as between athletes of different strength levels. Various symmetry assessments were used and the amount of carryover between tests was also evaluated. Furthermore, the relationship between asymmetry magnitude and various aspects of jump performance was also assessed. The results showed that female athletes were mo

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4

Beckham, George K., Hugh S. Lamont, Kimitake Sato, Michael W. Ramsey, G. Gregory Haff, and Michael H. Stone. "Isometric Strength of Powerlifters in Key Positions of the Conventional Deadlift." Digital Commons @ East Tennessee State University, 2012. https://dc.etsu.edu/etsu-works/4597.

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Objectives: To determine if force differences exist between isometric pulling positions corresponding to key positions of the deadlift. Design: Cross-sectional evaluation of isometric strength Methods: 14 powerlifters performed isometric pulls on a force plate at 3 key positions related to the deadlift (at the floor, just above the patella, and 5-6 cm short of lockout) and in the mid thigh pull position (MTP). A 1x4 repeated measures ANOVA was used to ascertain differences between the various pulling positions tested. Bonferroni-adjusted paired samples t-tests were used post-hoc. Results

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Beckham, George K., Kimitake Sato, Hugo A. P. Santana, Satoshi Mizuguchi, G. Gregory Haff, and Michael H. Stone. "Effect of Body Position on Force Production During the Isometric Midthigh Pull." Digital Commons @ East Tennessee State University, 2018. https://dc.etsu.edu/etsu-works/4652.

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Various body positions have been used in the scientific literature when performing the isometric midthigh pull resulting in divergent results. We evaluated force production in the isometric midthigh pull in bent (125° knee and 125° hip angles) and upright (125° knee, 145° hip angle) positions in subjects with (>6 months) and without (<6 months) substantial experience using weightlifting derivatives. A mixed-design ANOVA was used to evaluate the effect of pull position and weightlifting experience on peak force, force at 50, 90, 200, and 250 ms. There were statistically significant main effects

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6

Paalanne, N. (Niko). "Postural balance, isometric trunk muscle strength and low back symptoms among young adults." Doctoral thesis, Oulun yliopisto, 2011. http://urn.fi/urn:isbn:9789514295003.

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Abstract Low back pain (LBP) is a significant health problem in all developed countries. The high prevalence of LBP in youth is a cause of concern because a link has been reported between LBP in adolescence and chronic LBP (CLBP) in adulthood. In order to prevent CLBP in adulthood potential protective factors in youth should be identified. The association between trunk muscle strength and LBP has been widely studied but the results are conflicting. The current knowledge on the role of postural balance in relation to LPB is even more controversial. The aims of the thesis were to evaluate 1) the

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Bazyler, Caleb D., George K. Beckham, and Kimitake Sato. "The Use of the Isometric Squat as a Measure of Strength and Explosiveness." Digital Commons @ East Tennessee State University, 2015. https://dc.etsu.edu/etsu-works/3783.

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The use of the isometric squat as a measure of strength and explosiveness. J Strength Cond Res 29(5): 1386–1392, 2015—The isometric squat has been used to detect changes in kinetic variables as a result of training; however, controversy exists in its application to dynamic multijoint tasks. Thus, the purpose of this study was to further examine the relationship between isometric squat kinetic variables and isoinertial strength measures. Subjects (17 men, 1-repetition maximum [1RM]: 148.2 ± 23.4 kg) performed squats 2 d·wk−1 for 12 weeks and were tested on 1RM squat, 1RM partial squat, and isom

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8

Beckham, George Kenneth. "Physical and Anthropometric Factors Influencing the Isometric Strength in Key Positions of the Conventional Deadlift in Powerlifters." Digital Commons @ East Tennessee State University, 2012. https://dc.etsu.edu/etd/1470.

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The purpose of the study was to determine anthropometric characteristics that may affect deadlift performance. Fourteen powerlifters performed isometric pulls on a force plate at 3 key positions of the deadlift (at the floor, just above the patella, and 5-6 cm short of lockout) and the mid-thigh pull (MTP). RM ANOVA revealed that forces generated at each bar height differed significantly (F(3,39) = 51.058, p<0.05). Discriminant analysis was able to classify lifters into "stronger" and "weaker" groups with 100% accuracy using measured anthropometric dimensions. Stepwise discriminant analysis re

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9

Sims, Casey K. E. "Impact of prior hamstring strain injury & biofeedback on eccentric & isometric knee flexor strength." Thesis, Queensland University of Technology, 2019. https://eprints.qut.edu.au/127300/1/Casey_Sims_Thesis.pdf.

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Hamstring strain injury is a prevalent non-contact injury in running based sports. Little is known about the effects of lower grade injury on the capacity to perform common rehabilitation exercises protocols as well as hamstring strength tests. Novel data from these studies has contributed to the evolving hamstring injury literature, showing relatively mild hamstring injury has no significant effects on the strength performance in varying hamstring tests of different contraction modes. However, muscle architectural deficits were apparent despite athletes meeting return to play criteria, furthe

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10

Fleeton, Jennifer Rita Melanie. "Strength Training to Improve Performance in Athletes with Cerebral Palsy: Effects on Strength, Power, and Body Composition." Thesis, The University of Sydney, 2021. https://hdl.handle.net/2123/25911.

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Despite athletes with cerebral palsy (CP) comprising 20% of all Paralympians, their capacity to improve performance through training remains unknown. Sedentary individuals with CP commonly have low bone mineral density (BMD), increasing fracture risk. Long-term sport participation is suggested to protect against low BMD. Therefore, this thesis investigated the effects of strength training on performance in athletes with CP and the impact of long-term exercise participation on BMD of ambulatory adults with CP. Objectives were investigated through a single group pre-post repeated measures interv

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11

Stout, Molly L. "Discrimination between sincere and deceptive isometric grip response using Segmental Curve Analysis." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-09122009-040415/.

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Dretvik, Trond Michael. "The effect of strength and absolute load on position variability in isometric position tasks." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for bevegelsesvitenskap, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-17482.

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The purpose of this study was to investigate the relationship between strength and position control, with an emphasis on measurements at low, absolute levels of force, as well as to examine the effect of load on position control. 33 healthy and physically active male university students were subjected to maximum voluntary contraction (MVC) tests and a weighted positional knee extension task involving trials at force levels ranging from 0.5-20kg, with the goal of maintaining position. Among the principal findings was the fact that strength did not affect position variability at lower levels of

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13

Bazyler, Caleb D., Christopher A. Bailey, Chieh-Ying Chiang, Kimitake Sato, and Michael H. Stone. "The Effects of Strength Training on Isometric Force Production Symmetry in Recreationally Trained Males." Digital Commons @ East Tennessee State University, 2014. https://dc.etsu.edu/etsu-works/3785.

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Objectives: The purpose of this investigation was to determine what effect a bilateral strength training regimen has on isometric force production symmetry and if changes in force production symmetry can be accounted for by differences in pre-intervention strength levels. Design: Sixteen recreationally trained males (1-RM squat: 146.8 ± 23.0 kg.) were assigned to two groups for the 7-week training intervention: strong (S) and weak (W) based on pre-training squat isometric peak force allometrically scaled (IPFa) at 120° knee angle. Methods: Subjects completed a 7-week training intervention foll

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14

Stockdale, Allison Anne. "Modeling three-dimensional hip and trunk peak torque as a function of joint angle and velocity." Thesis, University of Iowa, 2011. https://ir.uiowa.edu/etd/1267.

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Healthcare costs for treating back pain have risen to 50 billion dollars a year in the past decade. In attempt reduce the risk of back pain; ergonomists use digital human modeling to assess the risks involved in functional tasks. However, current models are limited to analyzing the strength in static position. The overall goal of this study is to provide three-dimensional strength surfaces incorporating both static and dynamic strength for digital human models. Fifteen male and twenty-one female subjects were recruited. The study required two visits, were hip strength testing was performed in

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15

Wagner, Holly A. "Determining optimal load for a constant-load cycle ergometer test relative to isotonic leg strength." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-01242009-063426/.

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VILLANEUVA, MARIA BEATRIZ G., YASUHIRO TAKEUCHI, SHOKO ANDO, et al. "Effects of asymmetric dynamic and isometric liftings on strength/force and rating of perceived exertion." Thesis, Taylor & Francis, 1996. http://hdl.handle.net/2237/16694.

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Layne, Andrew S., W. Guy Hornsby, D. E. Corriher, et al. "Long Term Athlete Monitoring: Changes in Isometric Strength and Explosiveness in Division I NCAA Athletes." Digital Commons @ East Tennessee State University, 2009. https://dc.etsu.edu/etsu-works/4109.

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18

Bazyler, Caleb. "Efficacy of Partial ROM Squat in Maximal Strength Training." Digital Commons @ East Tennessee State University, 2013. https://dc.etsu.edu/etd/1185.

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Eighteen well trained males (1RM Squat: 150.57 ± 26.79 kg) were assigned to two groups: full ROM training (control) and full ROM with partial ROM training (CP) for the seven-week training intervention. There was a significant time effect (p

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19

Beckham, G., Satoshi Mizuguchi, C. R. Carter, et al. "Relationships of Isometric Mid-Thigh Pull Variables to Weightlifting Performance." Digital Commons @ East Tennessee State University, 2013. https://dc.etsu.edu/etsu-works/4120.

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Aim: The purpose of this study was to evaluate the relationship between weightlifting performance (snatch, clean and jerk, and total) and variables obtained from the isometric mid-thigh pull (IMTP). Methods: Twelve weightlifters, ranging from novice to advanced, performed the IMTP 10 days after a competition. Correlations were used to evaluate relationships between variables of the IMTP and absolute and scaled competition results. Results: Unscaled competition results correlated strongly with IRFD (0-200ms: r=0.567-0.645, 0-250ms: r=0.722-0.781) while results correlated weakly with Peak IRFD (

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20

Gellatly, Andrew William. "Effects of seated posture on static strength, lower-body isometric muscle contractions, and manual tracking performance." Thesis, This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-05022009-040815/.

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Owens, Ethan Monroe. "Use of Isometric Mid-Thigh Pull to Determine Asymmetrical Strength Differences in NCAA D-I Athletes." Digital Commons @ East Tennessee State University, 2011. https://dc.etsu.edu/etd/1370.

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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. Peak force was scaled for body weight, and rate of force development was examined from 0-200ms. Results of the study show subjects' produced significantly greater scaled force with the left leg as compared to the right leg; however, no significant differences existed for rate of force development (RFD)

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Kraska, Jenna M., Ann Marie Swisher, Michael W. Ramsey, et al. "Relationship of Peak Isometric Strength to Rate of Force Development Among Collegiate Track and Field Athletes." Digital Commons @ East Tennessee State University, 2008. https://dc.etsu.edu/etsu-works/4096.

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Explosive strength, a function of rate of force development (RFD), is a primary determinant for the amount of peak force that can be produced in critical sport performance time periods ( e.g. foot contact time). Evidence indicates that maximum strength and RFD are correlated. However, the characteristics of this relationship are not well established among athletes. This study examined the relationship of peak isometric force (IPF) and RFD from a mid-thigh pull, among male and female track and field athletes. Athletes were 12 sprinters (S), 10 jumpers (JP) and 12 cross-country runners (XC). For

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Suchomel, Timothy J., Sophia Nimphius, and Michael H. Stone. "Scaling Isometric Mid-Thigh Pull Maximum Strength in Division I Athletes: Are We Meeting the Assumptions?" Digital Commons @ East Tennessee State University, 2018. https://dc.etsu.edu/etsu-works/4661.

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This study examined the validity of various scaling methods, isometric mid-thigh pull (IMTP) peak force using various scaling methods, and the relationships between IMTP peak force and countermovement jump height. Fifty-one collegiate baseball and soccer athletes performed two maximal IMTPs. Absolute peak force was compared between teams and when data were scaled using ratio (RS), traditional allometric (ALLOTrad), and fitted allometric (ALLOFit) scaling. ALLOTrad and ALLOFit validity was violated because different derived exponents existed for baseball (b = 0.20) and soccer (b = 1.20). So

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Noorkoiv, Marika. "Neuromuscular adaptations of joint angle-specific force change after isometric training." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2013. https://ro.ecu.edu.au/theses/531.

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Increases in force production in response to isometric training typically occur at or around the joint angles adopted during the training, but the mechanisms underpinning this have not yet been fully elucidated. This PhD thesis project investigated the mechanisms underpinning joint angle-specific strength changes after isometric training, focussing on muscle region-specific cross-sectional area (CSA), muscle fascicle length (Lf) and muscle activation adaptations. For this, the validity and reliability of a two-dimensional extended-field-of-view ultrasonography (EFOV) method for measuring muscl

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Brandon, Raphael. "Investigations of the neuromuscular response during and following elite maximum strength and power type resistance exercise." Thesis, University of Stirling, 2011. http://hdl.handle.net/1893/3655.

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The thesis aimed to analyse the acute neuromuscular (NM) response during and following maximum strength and power training methods. The primary aim of study one was to establish the reliability of biomechanical and surface electromyographic (sEMG) measurements during barbell squat exercise. This would enable the subsequent studies to precisely assess muscle activity and mechanical power during barbell resistance exercise sessions. Nine male well-trained subjects performed squat exercise on three separate trial days. Each trial comprised one set of squat at 50, 75 and 100% of 3RM load. Synchron

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Chen, Xuewei Sue. "The effect of elbow position and grip span on isometric grip strength and force distribution of fingers." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/MQ31408.pdf.

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Ekman, Matilda. "The development of a novel sport specific isometric strength measurement for para kayak classification : A reliability study." Thesis, Gymnastik- och idrottshögskolan, GIH, Institutionen för fysisk aktivitet och hälsa, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:gih:diva-6776.

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To the author’s knowledge, no research has earlier been done on the development of a sport specific strength measurement system for para kayak classification.Aim: In order to work in line with the International Paralympic Committee, to develop more evidence-based methods for classification, the overall purpose of this study was to design and develop a sport specific test battery to measure force in isometric contractions. It was also: (1) to test-retest the battery on able-bodied participants, to ensure the reliability of the method for further research and (2) to evaluate whether performing t

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Kok, Lian-Yee. "Comparing linear and undulating periodisation for improving and maintaining muscular strength qualities in women." University of Western Australia. School of Human Movement and Exercise Science, 2006. http://theses.library.uwa.edu.au/adt-WU2006.0077.

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[Truncated abstract] Resistance training is increasingly popular for improving strength qualities such as hypertrophy, maximal strength, endurance and power. Although many resistancetraining programmes now adhere to the concept of periodisation, the number of studies examining its structure and design are few, and there are just a handful of studies that have examined periodised training for the maintenance of strength and power. Even rarer, are periodised resistance-training studies that utilise female subjects. Previous studies have compared non-periodised training regimens such as Progressi

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Tapper, Jesper, and Oscar Åkerblom. "EFFEKTER AV MAXIMAL ISOMETRISK POST ACTIVATION POTENTIATION PÅ DYNAMIC STRENGTH INDEX." Thesis, Umeå universitet, Idrottsmedicin, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-149519.

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Introduktion: Dynamic Strength Index är ett ratio som beskriver en individs förhållande mellan maximal och explosiv styrka. Post-activation potentiation (PAP) är ett fenomen där en förberedande aktivitet, exempelvis knäböj, används för att få en prestationsförbättring i en kommande aktivitet. Syftet med denna studie var att undersöka om (a) isometriska partiella knäböj (IPK) påverkar Dynamic Strength Index-ration (DSI), (b) IPK påverkar hopphöjd eller maximal kraft i CMJ, c) IPK påverkar maximal kraft i IMTP, (d) det finns någon signifikant korrelation mellan DSI-ratio och PAP-effekt. Metod: F

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Edupuganti, Pradeep. "Effect of resistance training in the improvement of hamstrings to quadriceps (H:Q) strength ratio in males and females." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2008. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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Kraska, Jenna Marie. "The Relationship between Isometric Force Characteristics and Vertical Jump Height under Various Loading Conditions." Digital Commons @ East Tennessee State University, 2008. https://dc.etsu.edu/etd/1965.

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Purpose: 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 isometric mid-thigh pulls on a force plate. Force-time curve analysis was conducted for each isometric pull and jump to determine force related characteristics. Jump height (JH) was derived from flight time. Isometric forces were normalized using allometric scaling: absolute force/ (body mass(kg)0.67)

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Beckham, George K. "The Effect of Various Body Positions on Performance of the Isometric Mid-Thigh Pull." Digital Commons @ East Tennessee State University, 2015. https://dc.etsu.edu/etd/2544.

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The purpose of this dissertation was to evaluate the effects of changing body position on the execution of the isometric mid-thigh pull (IMTP). Furthermore, while there is evidence to suggest that there is an effect of familiarization on performance of maximal strength tests, there has been no known research evaluating the effect of learning on the IMTP. The effect of familiarization was assessed by evaluating changes in variables obtained from the IMTP. Subjects did not statistically improve over the five IMTP testing sessions, regardless of the body position used, or if subjects had previous

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Gonçalves, Ana Clara Campagnolo Real [UNESP]. "Exercício resistido em cardiopatas: revisão sistemática da literatura e análise do comportamento autonômico em recuperação pós-exercício resistido aplicado de forma aguda." Universidade Estadual Paulista (UNESP), 2010. http://hdl.handle.net/11449/87292.

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Made available in DSpace on 2014-06-11T19:22:48Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-12-10Bitstream added on 2014-06-13T19:47:20Z : No. of bitstreams: 1 goncalves_accr_me_prud.pdf: 684147 bytes, checksum: a81c4f89900e68d55d13d636f49523a1 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>A perda de massa muscular secundária à idade e à inatividade física é clinicamente relevante na população cardíaca, contudo a prescrição do exercício resistido dinâmico para esses pacientes apresenta-se inconclusiva na literatura. Objetivo: Reunir informações so

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Kawamori, Naoki, Steven J. Rossi, Blake D. Justice, et al. "Peak Force and Rate of Force Development During Isometric Mid-Thigh Clean Pulls and Dynamic Mid-Thigh Clean Pulls Performed at Various Intensities." Digital Commons @ East Tennessee State University, 2006. https://dc.etsu.edu/etsu-works/4613.

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Eight male collegiate weightlifters (age: 21.2 ± 0.9 years; height: 177.6 ± 2.3 cm; and body mass: 85.1 ± 3.3 kg) participated in this study to compare isometric to dynamic force-time dependent variables. Subjects performed the isometric and dynamic mid-thigh clean pulls at 30–120% of their one repetition maximum (1RM) power clean (118.4 ± 5.5 kg) on a 61 X 121.9–cm AMTI forceplate. Variables such as peak force (PF) and peak rate of force development (PRFD) were calculated and were compared between isometric and dynamic conditions. The relationships between force-time dependent variables and v

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Lorentzson, Johanna. "Yoga och isometrisk uthållighet i bål : Yogautövningens påverkan på den fysiska och mentala allmänhälsan." Thesis, Halmstad University, School of Business and Engineering (SET), 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-1121.

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<p>Abstract </p><p>The core is the center of gravity in our body. Injuries and overload in the joints, is the most common reason for not be able to work in Sweden today. A god strength capacity in the core is important for secure and effective movements, as well for active athletes, as for non athletes. The increased number of employees, who report in sick today, has been correlated with psychological bad health. New methods to deal with mental and physical health problems among people can indicate to the fact that Yoga in the western world has increased its members, due its spiritual and phys

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Raue, Ulrika. "Effects of concentric vs eccentric resistance training on skeletal muscle adaptations in humans." Virtual Press, 2001. http://liblink.bsu.edu/uhtbin/catkey/1221284.

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The Beothuk Indians were an extinct group of Amerinds who were among the earliest founders of Newfoundland. In literature, the Beothuk were described as perhaps being phenotypically more similar to Europeans than Asians (Gatschet 1890, Lloyd 1875, 1876a, Marshall 1996). In this research, mitochondrial DNA (mtDNA) analysis was performed on a Beothuk individual in order to determine his haplotype and, perhaps, shed light on the origins of the Beothuk.For this analysis, a tooth of Nonosabasut, a Beothuk chief who died in 1819 was loaned from the Royal Museum of Scotland. Ancient DNA was extracted

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Swisher, Ann Marie, Jenna M. Kraska, Michael W. Ramsey, et al. "The Relationship of Peak Isometric Strength to Peak Aerobic Power and 3000 M Performance in Cross-country Runners." Digital Commons @ East Tennessee State University, 2008. https://dc.etsu.edu/etsu-works/4095.

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Certain variables: peak aerobic power (PAP), running economy, and lactate threshold, act as limiting factors for endurance running. However, all of the mechanisms underlying high-level endurance running are not completely clear. Alterations in maximum and explosive strength P27 have been shown to effect positive changes in endurance performance, likely by altering P28 running economy. If strength related factors affect running economy, then this should be evident in the running performance of long-distance runners and perhaps PAP. The purpose of this study was to examine the relationships betw

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Kan, Benjamin. "Effect of transcranial direct current stimulation (tDCS) on maximal voluntary isometric strength and endurance of the elbow flexors." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2011. https://ro.ecu.edu.au/theses/375.

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The present study investigated the effects of transcranial direct current stimulation (tDCS) on maximal voluntary contraction strength (MVC) and the time to failure (TTF) of an isometric muscle endurance test of the elbow flexors. Prior to the main study, the test-retest reliability of MVC and TTF measures was investigated using 10 men (33.2 ± 9.4 y) for the measurements separated by 60 min (within-day) and one week (between-day). Coefficient of variation (CV), Intraclass correlation (ICC, R), a paired t-test and the Bland-Altman plots revealed that TTF at 30% MVC task was reliable, and was ab

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Forrest, Naomi A. "The effects of a heavy resistance training intervention of the plantar flexors on the recovery of strength, power, acceleration, and agility in recreational athletes." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2004. https://ro.ecu.edu.au/theses/806.

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Resistance training is a highly utilised form of exercise that is used to develop strength, power, speed and muscular endurance. Although it is associated with many positive benefits it also has some potentially unfavourable effects. These are manifested in the form of altered muscle function through the effects of muscle fatigue and exercise induced muscle damage. Various aspects muscle fatigue and damage have been well studied, however research into the effects of these on tests of strength, power, acceleration and agility is sparse. Therefore the aim of this study was to investigate the eff

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Miller, Brandon Alexander. "The Relationships Between Hexagonal Barbell One-Repetition Maximum Deadlift and Maximal Isometric Pulls at Three Different Positions." Kent State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=kent158583263690913.

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Kavanaugh, Ashley A. "Longitudinal Changes in Strength and Explosive Performance Characteristics in NCAA Division I Women’s Volleyball Athletes." Digital Commons @ East Tennessee State University, 2014. https://dc.etsu.edu/etd/2315.

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The purpose of this dissertation was to determine if a periodized strength and conditioning program resulted in long-term adaptations in NCAA Division I women’s volleyball athletes, and if these changes related to the team’s competitive performance. Specifically, this dissertation serves to: 1.) describe the changes in body composition and performance variables of 2 female volleyball athletes over a 4-year collegiate career, 2.) determine the degree and magnitude of change in performance variables after about 1, 2, and 3 years of periodized resistance training, and 3.) infer if volleyball perf

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Hornsby, W. Guy, G. Gregory Haff, William A. Sands, Michael W. Ramsey, George K. Beckham, and Michael H. Stone. "Alterations in Strength Characteristics for Isometric and Dynamic Mid-Thigh Pulls in Collegiate Throwers Across 11 Weeks of Training." Digital Commons @ East Tennessee State University, 2013. https://dc.etsu.edu/etsu-works/4618.

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Aim: The purpose of this study was: 1) to investigate the alterations and relationships among training variables, performance variables, and physiological variables and 2) investigate the effects of strength training on potentiation complexes. Methods: The study enrolled nine D-1 collegiate throwers and four control subjects. The throwers participated in an 11-week resistance training and throws program. Resistance training volume load and throwing volume were recorded for 11 weeks. Measurements of maximal strength (isometric mid-thigh pulls) and dynamic mid-thigh pulls (DMTP) across a spectru

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Gleason, Benjamin H. "Stability of Isometric Strength Asymmetry and Its Relationship to Sprint and Change-of-Direction Performance Asymmetry in Division-I Collegiate Athletes." Digital Commons @ East Tennessee State University, 2015. https://dc.etsu.edu/etd/2550.

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The purpose of this dissertation was to evaluate the stability of strength asymmetry over a long-term period (1 year) and investigate the relationship of strength asymmetry to field test performance asymmetry in NCAA division-1 athletes. Isometric mid-thigh pull (IMTP) peak force asymmetry, ground contact time and finish time asymmetries on 10m sprint and 505 agility test performances were also observed. The impact of strength was also investigated in these studies to determine its effect on the magnitude of asymmetry. In the second study, peak force asymmetry over a one-year period was observ

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Guppy, Stuart Nathan. "The influence of barbell and body position on force-time characteristics in the isometric mid-thigh pull." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2019. https://ro.ecu.edu.au/theses/2205.

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Publication 1: The Isometric Mid-Thigh Pull: A Review and Methodology – Part 1 Isometric tests are commonly used to monitor physical qualities that underpin athletic performance. As single-joint laboratory-based tests display poor relationships to the multi-joint movements found in sport, multi-joint isometric tests like the isometric midthigh pull (IMTP) are commonly used instead. Force-time characteristics in these multijoint tests typically display stronger relationships to dynamic performance, particularly in the case of the isometric mid-thigh pull. As such this review focuses on the rela

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Spillane, Mike Willoughby Darryn Scott. "The effects of creatine ethyl ester supplementation combined with resistance training on body composition, muscle mass and performance, and intramuscular creatine uptake in males." Waco, Tex. : Baylor University, 2008. http://hdl.handle.net/2104/5256.

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Bailey, Christopher A., Kimitake Sato, Angus Burnett, and Michael H. Stone. "Carry-Over of Force Production Symmetry in Athletes of Differing Strength Levels." Digital Commons @ East Tennessee State University, 2015. https://dc.etsu.edu/etsu-works/4634.

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Carry-over of force production symmetry in athletes of differing strength levels. J Strength Cond Res 29(11): 3188–3196, 2015—This study sought to determine the level of association between bilateral force production symmetry assessment methods (standing weight distribution [WtD], unloaded and lightly loaded jumps, and isometric strength) and to determine whether the amount of symmetry carry-over between these tasks differs for strong and weak athletes. Subjects for this study included male (n = 31) and female (n = 32) athletes from National Collegiate Athletic Association Division I sports. A

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Eastman, Carie Suzanne. "Effect of High-Speed Treadmill Training with a Body Weight Support System in a Sport Acceleration Program." BYU ScholarsArchive, 2011. https://scholarsarchive.byu.edu/etd/2739.

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Introduction: Maximum running acceleration essential components in many sports. The identification of specific training protocols to maximize sprint speed would be useful knowledge for soccer coaches and players. Purpose: The purpose of this study was to determine the effect of a high-speed treadmill with the use of a body-weight support system in a 6-week sport acceleration program on: 40-yard sprint time, maximal isometric knee flexor and extensor strength. Methods: 32 female soccer players (age 16 ± 1.19 yrs) participated in two treatment groups and one control group. Both treatment groups

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Williams, Duane A., Courtney D. Hall, Patsy Cantor, et al. "Reliability of Two Alternative Methods for the Standard Mid-thigh Isometric Pull." Digital Commons @ East Tennessee State University, 2014. https://dc.etsu.edu/etsu-works/573.

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The purpose of this study was to determine the reliability of two new alternative portable methods for measuring maximal isometric force measures while performing the standard mid-thigh pull. One method, the bar grip method, required the use of the trunk and upper extremity muscles, while the second method, the pelvic belt method, did not. Both methods demonstrated good test-retest reliability via randomized repeated measures over 24-36 hours. Interestingly, the pelvic belt method generally demonstrated average maximal forces up to 65% higher than the bar method. There was a good relationship

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Haff, G. Gregory, R. Ruben, M. Molanari, et al. "The Relationship between the Eccentric Utilization Ratio, Reactive Strength and Pre-Stretch Augmentation and Selected Dynamic and Isometric Muscle Actions." Digital Commons @ East Tennessee State University, 2009. https://dc.etsu.edu/etsu-works/4522.

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Roussos, Angelo. "Effects of combined isometric followed by plyometric exercise on vertical jump performance of soccer players." Thesis, Mittuniversitetet, Institutionen för hälsovetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-36745.

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