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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
71

Strength Training for Endurance Athletes: Theory to Practice

Bazyler, Caleb D., Abbott, Heather A., Bellon, Christopher R., Taber, Christopher B., Stone, Michael H. 01 April 2015 (has links)
The purpose of this review is twofold: to elucidate the utility of resistance training for endurance athletes, and provide the practitioner with evidenced-based periodization strategies for concurrent strength and endurance training in athletic populations. Both low-intensity exercise endurance (liee) and high-intensity exercise endurance (hiee) have been shown to improve as a result of maximal, high force, low velocity (hflv) and explosive, low-force, high-velocity strength training. Hflv strength training is recommended initially to develop a neuromuscular base for endurance athletes with limited strength training experience. A sequenced approach to strength training involving phases of strength-endurance, basic strength, strength, and power will provide further enhancements in liee and hiee for high-level endurance athletes.
72

Variability of Practice and Strength Training Periodization: When Theories Collide

Streder, Katherine Lauren 01 December 2013 (has links)
The primary purpose of this study was to examine whether variability of practice enhances neuromuscular adaptations when compared to traditional strength training. The secondary purpose was to investigate whether there was a difference in perception of exertion between the two strength programs. Forty one subjects (23 women and 18 men) were assigned to either the control group or one of two treatment groups by a blocked-random method. Subject's one repetition maximum (1RM) for the kettlebell press and leg press were measured at baseline, after 4 weeks of training, and after 8 weeks of training. The treatment groups completed 8 weeks of training consisting of 3 days a week with at least one recovery day in between each session. In weeks 1 through 3, subjects undergoing the traditional treatment completed 3 sets of 8 repetitions at 70% of their 1RM for each exercise. Weeks 4 through 6 were composed of 3 sets of 6 repetitions at 77% 1RM. In weeks 7 and 8, 3 sets of 4 repetitions at 85% 1RM were performed. Over the course of the eight weeks, the variable treatment was comprised of 5 sets of the kettlebell and leg press. A set of 4 repetitions at 77% of the subject's 1RM, one of 5 repetitions at 70% 1RM, another of 3 repetitions at 85% 1RM, one of 6 repetitions at 65% 1RM, and finally a set of 2 repetitions at 93% 1RM were performed every session. The order of these sets were changed every 3 weeks, altering where in the session the highest intensity set was in relation to the lower intensity sets. Ratings of perceived exertion (RPE) were recorded following treatment to determine subject's perception of intensity during each set. Analysis of variance with repeated measures did not reveal significantly different strength gains between treatment groups in either lift, although variable treatment resulted in greater mean strength gains over almost every time interval. Analyses of RPE data revealed significantly lower reported RPE values for the variable treatment compared to the traditional treatment in both lifts. The greater mean strength gains and significantly lower RPEs of the variable treatment program compel us to conclude it is a superior training method for increasing strength compared to the traditional program.
73

Lean Body Mass and Muscle Cross-Sectional Area Adaptations Among College Age Males With Different Strength Levels Across 11 Weeks of Block Periodized Programmed Resistance Training

Moquin, Paul A., Wetmore, Alexander B., Carroll, Kevin M., Fry, Andrew C., Hornsby, W. G., Stone, Michael H. 01 May 2021 (has links)
The block periodization training paradigm has been shown to produce enhanced gains in strength and power. The purpose of this study is to assess resistance training induced alterations in lean body mass and cross-sectional area using a block periodization training model among individuals (n = 15) of three differing strength levels (high, moderate and low) based on one repetition maximum back squat relative to body weight. A 3 × 5 mixed-design ANOVA was used to examine within-and between-subject changes in cross-sectional area (CSA), lean body mass (LBM), lean body mass adjusted (LBMadjusted) and total body water (TBW) over an 11-week resistance training program. LBMadjusted is total body water subtracted from lean body mass. The ANOVA revealed no statistically significant between-group differences in any independent variable (p > 0.05). Within-group effects showed statistically significant increases in cross-sectional area (p < 0.001), lean body mass (p < 0.001), lean body mass adjusted (p < 0.001) and total body water (p < 0.001) from baseline to post intervention: CSA: 32.7 cm2 ± 8.6; 36.3 cm2 ± 7.2, LBM: 68.0 kg ± 9.5; 70.6 kg ± 9.4, LBMadjusted: 20.4 kg ± 3.1; 21.0 kg ± 3.3 and TBW: 49.8 kg ± 6.9; 51.7 kg ± 6.9. In conclusion, the results of this study suggest subjects experienced an increase in both lean body mass and total body water, regardless of strength level, over the course of the 11-week block periodized program. Gains in lean body mass and cross-sectional area may be due to edema at the early onset of training.
74

Strength, Endocrine, and Body Composition Alterations Across Four Blocks of Training in an Elite 400 M Sprinter

Batra, Amit, Wetmore, Alex B., Hornsby, W. G., Lipinska, Patrycja, Staniak, Zbigniew, Surala, Olga, Stone, Michael H. 01 March 2021 (has links)
The ability to produce force rapidly has the potential to directly influence sprinting performance through changes in stride length and stride frequency. This ability is commonly referred to as the rate of force development (RFD). For this reason, many elite sprinters follow a combined program consisting of resistance training and sprint training. The purpose of this study was to investigate the strength, endocrine and body composition adaptations that occur during distinct phases of a block periodized training cycle in a 400 m Olympic level sprinter. The athlete is an elite level 400 m male sprinter (age 31 years, body mass: 74 kg, years of training: 15 and Personal Best (PB): 45.65 s). This athlete completed four distinct training phases of a block periodized training program (16 weeks) with five testing sessions consisting of testosterone:cortisol (T/C) profiles, body composition, vertical jump, and maximum strength testing. Large fluctuations in T/C were found following high volume training and the taper. Minor changes in body mass were observed with an abrupt decrease following the taper which coincided with a small increase in fat mass percentage. Jump height (5.7%), concentric impulse (9.4%), eccentric impulse (3.4%) and power ratio (18.7%) all increased substantially from T1 to T5. Relative strength increased 6.04% from T1 to T5. Lastly, our results demonstrate the effectiveness of a competitive taper in increasing physiological markers for performance as well as dynamic performance variables. Block periodization training was effective in raising the physical capabilities of an Olympic level 400 m runner which have been shown to directly transfer to sprinting performance.
75

Block Periodization Programming: Efficacy in Subjects of Differing Strength Levels

Moquin, Paul 01 December 2020 (has links)
Physiological muscle adaptations due to resistance training are still not fully known. The rate and area of hypertrophy could drastically help or hinder athletic performance. The purpose of this study was to observe the changes in lean body mass (and related factors), relative allometrically scaled strength and absolute strength through an 11-week block periodized resistance training program. The subjects (n = 15) realized an increase in total body water (pre = 49.77Kg; post = 51.70Kg), lean body mass (pre = 67.98Kg; post = 70.63Kg), adjusted lean body mass (pre = 20.35Kg; post = 21.03Kg) and cross sectional area (pre = 32.73 cm2; post = 36.33cm2). Subjects (n= 15) were divided into either a strong (1 RM ≥ 1.75x body weight), moderate (1 RM = ≥ 1.25-1.74x body weight), or weak (1 RM < 1.25x body weight) group and data were analyzed in pre-post training. While all subjects showed gains in LBM and related factors, initial strength levels altered these adaptations. Subjects with a lower initial maximum strength level tended to make greater gains. However, due to the increase in total body water and relatively small increases in adjusted LBM, it appears, among this group, that little myofibrillar hypertrophy occurred during this short training period. These data suggest that greater accuracy for measures of alterations in LBM and related factors may require measures of total body water.
76

Physiological and Performance Effects of 11 Weeks of Training in Division 1 Collegiate Throwers: An Exploratory Study.

Hornsby, William G 13 August 2010 (has links) (PDF)
The purpose of this study was to investigate the alterations and relationships among training variables, performance variables, and physiological variables. Nine (9) D-1 collegiate throwers and 4 control subjects participated in the study. The throwers participated in an 11-week periodized resistance training and throws program. Volume load was recorded throughout the study. Measurements of maximal strength (isometric mid-thigh pull), vertical jumping ability, dynamic mid-thigh pulls (across a spectrum of loads), hormones (testosterone and cortisol), and adipokines (adiponectin, leptin, and resistin) were taken at weeks 1, 7, and 11. The throwers demonstrated several statistically significant alterations over time for performance variables. The throwers realized increases across time in maximum strength and peak power output. Hormone values did not exhibit statistically significant changes across time; however, there were trends across time for cortisol, the testosterone:cortisol ratio and adiponectin. These alterations would indicate a more anabolic environment and less obesity associated inflammation.
77

Preparing for a National Weightlifting Championship: A Case Series

Travis, Spencer K. 01 August 2018 (has links) (PDF)
The purpose of this thesis was to observe psychological, physiological, and performance changes to determine when two high-level weightlifters were peaked for a major competition. We addressed this purpose by conducting a two-part case study series with one USA international level female and one USA national level male weightlifter. Both athletes were considered to be peaked on competition day. The results support our hypothesis that jumping performance would be peaked on competition day corresponding with an increased recovery and decreased stress state. However, contrary to our hypothesis, each athlete exhibited small decreases in muscle size leading into the competition relative to baseline values. Further, changes in inflammatory markers were inconsistent for each athlete and were not reduced as hypothesized. Based on our findings, this investigation supports the use of overreaching and tapering for individual strength-power athletes providing insight into underlying psychological and physiological basis for observed changes in performance.
78

Tapering and Peaking Maximal Strength for Powerlifting Performance: A Review

Travis, S K., Mujika, Iñigo, Gentles, Jeremy A., Stone, Michael H., Bazyler, Caleb D. 09 September 2020 (has links)
Prior to major competitions, athletes often use a peaking protocol such as tapering or training cessation to improve performance. The majority of the current literature has focused on endurance-based sports such as swimming, cycling, and running to better understand how and when to taper or use training cessation to achieve the desired performance outcome. However, evidence regarding peaking protocols for strength and power athletes is lacking. Current limitations for peaking maximal strength is that many studies do not provide sufficient details for practitioners to use. Thus, when working with athletes such as powerlifters, weightlifters, throwers, and strongman competitors, practitioners must use trial and error to determine the best means for peaking rather than using an evidence-based protocol. More specifically, determining how to peak maximal strength using data derived from strength and power athletes has not been established. While powerlifting training (i.e., back squat, bench press, deadlift) is used by strength and power athletes up until the final days prior to a competition, understanding how to peak maximal strength relative to powerlifting performance is still unclear. Thus, the purpose of this study was to review the literature on tapering and training cessation practices relative to peaking powerlifting performance.
79

Marietta College's Strength Training Program

Haines, Brian Paul 12 April 2007 (has links)
No description available.
80

Strength and Endocrine Adaptations from the Combined Use of Accentuated Eccentric Loading and Cluster Sets During a Strength Endurance Training Block

McDowell, Kurt 01 August 2024 (has links) (PDF)
The purpose of this study was to investigate the chronic effects of accentuated eccentric loading (AEL) paired with cluster sets (CS) on dynamic and maximal strength, the endocrine system, and body composition. Seventeen recreationally active subjects (male = 11, females = 6, age = 23.05 ± 4.07, height = 172.09 ± 9.98, body mass = 81.29 ± 22.18, back squat to body mass ratio = 1.55 ± 0.33, bench press to body mass ratio = 1.06 ± 0.28) participated in one familiarization week, 2 weeks of testing, and 4 weeks of training. A strength-endurance block (4 wks) was used for training in which the target load consisted of 3 sets of 10 repetitions. The AEL group performed 3 sets of 10 repetitions for the squat and bench press using AEL every other repetition (5 AEL repetitions per set). Because of this protocol, CS were also performed as one AEL repetition plus one traditional repetition followed by 15 s rest. Weight releasers were attached during the rest between clusters. Resistance training was performed three days a week, sprint and agility work were performed two days a week. Maximum dynamic strength (1 RM squat, 1RM bench press), isometric maximum strength (Isometric midthigh pull) and rate of force development (RFD) were tested before and after the training protocol. Additionally, Testosterone (T), Cortisol (C), and Creatinine (CREA), fat mass (FM) and fat free mass (FFM) were assessed pre and post-test in 16 of the subjects as blood was unable to be collected from one of the subjects post test. Although maximum strength increased over time (n= 17), no statistically significant differences in strength occurred between the AEL and TRAD protocols after 4 weeks of training. No statistically significant differences in resting blood variables or body composition occurred between the AEL and TRAD protocols after 4 weeks of training.

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