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Strength, conditioning, plyometrics

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https://www.readbyqxmd.com/read/27899894/moderate-load-eccentric-exercise-a-distinct-novel-training-modality
#1
REVIEW
Hans Hoppeler
Over the last 20 years a number of studies have been published using progressive eccentric exercise protocols on motorized ergometers or similar devices that allow for controlled application of eccentric loads. Exercise protocols ramp eccentric loads over an initial 3 weeks period in order to prevent muscle damage and delayed onset muscle soreness. Final training loads reach 400-500 W in rehabilitative settings and over 1200 W in elite athletes. Training is typically carried out three times per week for durations of 20-30 min...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27893479/complex-training-the-effect-of-exercise-selection-and-training-status-on-post-activation-potentiation-in-rugby-league-players
#2
David J Scott, Massimiliano Ditroilo, Phil Marshall
This study compared the post-activation potentiation (PAP) response of the hex bar deadlift (HBD) and back squat (BS) exercises. The PAP response between different levels of athletes was also compared. Ten professional and ten amateur rugby league players performed two experimental sessions. Participants performed a countermovement jump (CMJ) before and 2, 4, 6, 8, 10, 12, 14 and 16 minutes after a conditioning activity (CA) that contained 1 set of 3 repetitions at 93% 1RM of either HBD or BS. A force platform determined peak power output (PPO), force at PPO, velocity at PPO and jump height of each CMJ...
November 16, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27870696/strength-and-conditioning-and-concurrent-training-practices-in-elite-rugby-union
#3
Thomas W Jones, Andrew Smith, Lindsay S Macnaughton, Duncan N French
Jones, TW, Smith, A, Macnaughton, LS, and French, DN. Strength and Conditioning and Concurrent Training Practices in Elite Rugby Union. J Strength Cond Res 30(12): 3354-3366, 2016-There is limited published research on strength and conditioning (S&C) practices in elite rugby union (RU). Information regarding testing batteries and programme design would provide valuable information to both applied practitioners and researchers investigating the influence of training interventions or preperformance strategies...
December 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27547851/effects-of-horizontal-plyometric-training-volume-on-soccer-players-performance
#4
Javier Yanci, Asier Los Arcos, Jesús Camara, Daniel Castillo, Alberto García, Carlo Castagna
The aim of this study was to examine the dose response effect of strength and conditioning programmes, involving horizontally oriented plyometric exercises, on relevant soccer performance variables. Sixteen soccer players were randomly allocated to two 6-week plyometric training groups (G1 and G2) differing by imposed (twice a week) training volume. Post-training G1 (4.13%; d = 0.43) and G2 (2.45%; d = 0.53) moderately improved their horizontal countermovement jump performance. Significant between-group differences (p < 0...
October 2016: Research in Sports Medicine
https://www.readbyqxmd.com/read/27139591/the-effects-of-plyometric-training-on-change-of-direction-ability-a-meta-analysis
#5
Abbas Asadi, Hamid Arazi, Warren B Young, Eduardo Sáez de Villarreal
PURPOSE: To show a clear picture about the possible variables of enhancements of change-of-direction (COD) ability using longitudinal plyometric-training (PT) studies and determine specific factors that influence the training effects. METHODS: A computerized search was performed, and 24 articles with a total of 46 effect sizes (ESs) in an experimental group and 25 ESs in a control group were reviewed to analyze the role of various factors on the impact of PT on COD performance...
July 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27125295/mechanical-parameters-and-flight-phase-characteristics-in-aquatic-plyometric-jumping
#6
Talin J Louder, Cade J Searle, Eadric Bressel
Plyometric jumping is a commonly prescribed method of training focused on the development of reactive strength and high-velocity concentric power. Literature suggests that aquatic plyometric training may be a low-impact, effective supplement to land-based training. The purpose of the present study was to quantify acute, biomechanical characteristics of the take-off and flight phase for plyometric movements performed in the water. Kinetic force platform data from 12 young, male adults were collected for counter-movement jumps performed on land and in water at two different immersion depths...
September 2016: Sports Biomechanics
https://www.readbyqxmd.com/read/26950343/physical-characteristics-underpinning-repetitive-lunging-in-fencing
#7
Anthony N Turner, Geoff Marshall, James Phillips, Angelo Noto, Conor Buttigieg, Shyam Chavda, William Downing, Nathan Atlay, Lygeri Dimitriou, Laim Kilduff
Turner, AN, Marshall, G, Phillips, J, Noto, A, Buttigieg, C, Chavda, S, Downing, W, Atlay, N, Dimitriou, L, and Kilduff, L. Physical characteristics underpinning repetitive lunging in fencing. J Strength Cond Res 30(11): 3134-3139, 2016-Given the repetitive demand to execute lunging and changes in direction within fencing, the ability to sustain these at maximal capacity is fundamental to performance. The aim of this study was threefold. First, to provide normative values for this variable referred to as repeat lunge ability (RLA) and second to identify the physical characteristics that underpin it...
November 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/26839620/the-kinetic-specificity-of-plyometric-training-verbal-cues-revisited
#8
Talin Louder, Megan Bressel, Eadric Bressel
Plyometric training is a popular method utilized by strength and conditioning professionals to improve aspects of functional strength. The purpose of this study was to explore the influence of extrinsic verbal cueing on the specificity of jumping movements. Thirteen participants (age: 23.4 ± 1.9 yr, body height: 170.3 ± 15.1 cm, body mass: 70.3 ± 23.8 kg,) performed four types of jumps: a depth jump "as quickly as possible" (DJT), a depth jump "as high as possible" (DJH), a countermovement jump (CMJ), and a squat jump (SJ)...
December 22, 2015: Journal of Human Kinetics
https://www.readbyqxmd.com/read/26508319/factors-modulating-post-activation-potentiation-of-jump-sprint-throw-and-upper-body-ballistic-performances-a-systematic-review-with-meta-analysis
#9
Laurent B Seitz, G Gregory Haff
BACKGROUND: Although post-activation potentiation (PAP) has been extensively examined following the completion of a conditioning activity (CA), the precise effects on subsequent jump, sprint, throw, and upper-body ballistic performances and the factors modulating these effects have yet to be determined. Moreover, weaker and stronger individuals seem to exhibit different PAP responses; however, how they respond to the different components of a strength-power-potentiation complex remains to be elucidated...
February 2016: Sports Medicine
https://www.readbyqxmd.com/read/26492101/effect-of-different-sprint-training-methods-on-sprint-performance-over-various-distances-a-brief-review
#10
Michael C Rumpf, Robert G Lockie, John B Cronin, Farzad Jalilvand
Rumpf, MC, Lockie, RG, Cronin, JB, and Jalilvand, F. Effect of different sprint training methods on sprint performance over various distances: a brief review. J Strength Cond Res 30(6): 1767-1785, 2016-Linear sprinting speed is an essential physical quality for many athletes. There are a number of different training modalities that can be used to improve sprint performance. Strength and conditioning coaches must select the most appropriate modalities for their athletes, taking into consideration the sprint distances that typically occur during competition...
June 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/26133514/short-term-periodization-models-effects-on-strength-and-speed-strength-performance
#11
REVIEW
Hagen Hartmann, Klaus Wirth, Michael Keiner, Christoph Mickel, Andre Sander, Elena Szilvas
Dividing training objectives into consecutive phases to gain morphological adaptations (hypertrophy phase) and neural adaptations (strength and power phases) is called strength-power periodization (SPP). These phases differ in program variables (volume, intensity, and exercise choice or type) and use stepwise intensity progression and concomitant decreasing volume, converging to peak intensity (peaking phase). Undulating periodization strategies rotate these program variables in a bi-weekly, weekly, or daily fashion...
October 2015: Sports Medicine
https://www.readbyqxmd.com/read/26053415/the-influence-of-minimalist-footwear-on-knee-and-ankle-load-during-depth-jumping
#12
J Sinclair, S J Hobbs, J Selfe
Plyometric training is used by athletes to promote strength and explosive power. However plyometric activities such as depth jumping are associated with a high incidence of injuries. This study examined the influence of minimalist and conventional footwear on the loads experienced by the patellofemoral joint and Achilles tendon. Patellofemoral and Achilles tendon forces were obtained from ten male participants using an eight-camera 3D motion capture system and force platform data as they completed depth jumps in both footwear conditions...
2015: Research in Sports Medicine
https://www.readbyqxmd.com/read/26010798/can-different-conditioning-activities-and-rest-intervals-affect-the-acute-performance-of-taekwondo-turning-kick
#13
COMPARATIVE STUDY
Jonatas F da Silva Santos, Tomás H Valenzuela, Emerson Franchini
This study compared the acute effect of strength, plyometric, and complex exercises (combined strength and plyometric exercise) in the countermovement jump (CMJ) and frequency speed of kick test (FSKT) and attempted to establish the best rest interval to maximize performance in the CMJ, number of kicks, and impact generated during FSKT. Eleven taekwondo athletes (mean ± SD; age: 20.3 ± 5.2 years; body mass: 71.8 ± 15.3 kg; height: 177 ± 7.2 cm) participated. One control and 9 experimental conditions were randomly applied...
June 2015: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/25756326/plyometric-training-effects-on-athletic-performance-in-youth-soccer-athletes-a-systematic-review
#14
REVIEW
Abigail A Bedoya, Matthew R Miltenberger, Rebecca M Lopez
The purpose of this systematic review was to critically analyze the literature to determine the effectiveness of plyometric training on athletic performance in youth soccer athletes. A total of 7 studies were included in this review after meeting the following criteria: (a) used plyometric training programs to assess athletic performance, (b) subjects were soccer athletes aged preadolescent up to 17 years, and (c) were published from 2000 to January 2014. Study methods were assessed using the PEDro scale with scores ranging from 4 to 6...
August 2015: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/25563677/the-effects-of-plyometric-type-neuromuscular-training-on-postural-control-performance-of-male-team-basketball-players
#15
RANDOMIZED CONTROLLED TRIAL
Abbas Asadi, Eduardo Saez de Villarreal, Hamid Arazi
Anterior cruciate ligament injuries are common in basketball athletes; common preventive programs for decreasing these injures may be enhancing postural control (PC) or balance with plyometric training. This study investigated the efficiency of plyometric training program within basketball practice to improve PC performance in young basketball players. Sixteen players were recruited and assigned either to a plyometric + basketball training group (PT) or basketball training group (BT). All players trained twice per week, but the PT + BT followed a 6-week plyometric program implemented within basketball practice, whereas the BT followed regular practice...
July 2015: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/25307027/electromechanical-delay-of-abdominal-muscles-is-modified-by-low-back-pain-prevention-exercise
#16
Agnieszka Szpala, Alicja Rutkowska-Kucharska, Jaroslaw Drapala
The objective of the research was to assess the effect of a 4-week-long training program on selected parameters: electromechanical delay (EMD) and amplitude of electromyographic signal (EMG). Fourteen female students of the University School of Physical Education participated in the study. Torques and surface electromyography were evaluated under static conditions. Surface electrodes were glued to both sides of the rectus abdominis (RA), external oblique (EO), and erector spinae (ES) muscles. The 4-week-long program was aimed at strengthening the abdominal muscles and resulted in increased EMD during maximum torque production by flexors of the trunk, increased amplitudes of the signals of the erector spinae ( p = 0...
2014: Acta of Bioengineering and Biomechanics
https://www.readbyqxmd.com/read/25133073/off-season-training-habits-and-preseason-functional-test-measures-of-division-iii-collegiate-athletes-a-descriptive-report
#17
Jason Brumitt, Bryan C Heiderscheit, Robert C Manske, Paul E Niemuth, Mitchell J Rauh
PURPOSE/BACKGROUND: Division III (D III) collegiate coaches are challenged to assess athletic readiness and condition their athletes during the preseason. However, there are few reports on off-season training habits and normative data of functional assessment tests among D III athletes. The purpose of this study was to examine off-season training habits of D III athletes and their relationships to the standing long jump (SLJ) and single-leg hop (SLH) tests. METHODS: One-hundred and ninety-three athletes (110 females, age 19...
August 2014: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/25089202/metastability-in-plyometric-training-on-unstable-surfaces-a-pilot-study
#18
Armin Kibele, Claudia Classen, Thomas Muehlbauer, Urs Granacher, David G Behm
BACKGROUND: In the past, plyometric training (PT) has been predominantly performed on stable surfaces. The purpose of this pilot study was to examine effects of a 7-week lower body PT on stable vs. unstable surfaces. This type of exercise condition may be denoted as metastable equilibrium. METHODS: Thirty-three physically active male sport science students (age: 24.1 ± 3.8 years) were randomly assigned to a PT group (n = 13) exercising on stable (STAB) and a PT group (n = 20) on unstable surfaces (INST)...
2014: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/24942170/effects-of-a-12-week-strength-training-program-on-experimented-fencers-movement-time
#19
RANDOMIZED CONTROLLED TRIAL
Juan C Redondo, Cruz J Alonso, Silvia Sedano, Ana M de Benito
The purpose of this study was to determine the effects of a 12-week strength training program on movement time (MT) on fencers of national level. Twelve male fencers were randomly divided into 2 groups: the control group (CG: N = 6; age, 22.3 ± 8.1 years) and the treatment group (TG: N = 6; age, 24.8 ± 7.2 years). The CG fencers followed the standard physical conditioning program, which was partially modified for the TG. The TG participated in a 12-week strength training program divided into 2 parts: maximal strength training, including weightlifting exercises (2 days a week for 6 weeks) and explosive strength training, with combined weights and plyometric exercises (2 days a week for 6 weeks)...
December 2014: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/24852255/the-effect-of-8-week-plyometric-training-on-leg-power-jump-and-sprint-performance-in-female-soccer-players
#20
RANDOMIZED CONTROLLED TRIAL
Nurper Ozbar, Seda Ates, Ani Agopyan
The aim of this study was to determine the effect of 8-week plyometric training (PT) on the leg power and jump and sprint performance in female soccer players. Eighteen female soccer players from Women Second League (age = 18.2 ± 2.3 years, height = 161.3 ± 5.4 cm, body mass = 56.6 ± 7.2 kg) were randomly assigned to control (n = 9) and plyometric (n = 9) groups. Both groups continued together with regular technical and tactical soccer training for 4 days a week. Additionally, the plyometric group underwent PT for 8 weeks, 1 day per week, 60-minute session duration...
October 2014: Journal of Strength and Conditioning Research
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