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Full-Text Articles in Life Sciences

Effects Of Different Rest Intervals Between Antagonist Paired Sets On Repetition Performance And Muscle Activation, Mariana F. Maia, Jeffrey M. Willardson, Gabriel A. Paz, Humberto Miranda Sep 2014

Effects Of Different Rest Intervals Between Antagonist Paired Sets On Repetition Performance And Muscle Activation, Mariana F. Maia, Jeffrey M. Willardson, Gabriel A. Paz, Humberto Miranda

Faculty Research and Creative Activity

Effects

of different rest intervals between antagonist paired sets on

repetition performance and muscle activation. J Strength

Cond Res 28(9): 2529–2535, 2014—Recent evidence

suggests that exercising the antagonist musculature acutely

enhances subsequent performance for the agonist musculature.

The purpose of this study was to examine the effects of

different rest intervals between sets for exercises that involve

antagonistic muscle groups, a technique referred to as

antagonist paired sets (APS). Fifteen recreationally trained

men were tested for knee extension (KE) exercise performance,

with or without previous knee flexion (KF) exercise

for the antagonist musculature. The following protocols were

performed in random …


Lower Extremity Injury In Female Basketball Players Is Related To A Large Difference In Peak Eversion Torque Between Barefoot And Shod Conditions, Jenna M. Yentes, Max J. Kurz, Nikolaos Stergiou Sep 2014

Lower Extremity Injury In Female Basketball Players Is Related To A Large Difference In Peak Eversion Torque Between Barefoot And Shod Conditions, Jenna M. Yentes, Max J. Kurz, Nikolaos Stergiou

Journal Articles

Background
The majority of injuries reported in female basketball players are ankle sprains and mechanisms leading to injury have been debated. Investigations into muscular imbalances in barefoot versus shod conditions and their relationship with injury severity have not been performed. The purpose of this study was to investigate the effects of wearing athletic shoes on muscular strength and its relationship to lower extremity injuries, specifically female basketball players due to the high incidence of ankle injuries in this population.

Methods
During pre-season, 11 female collegiate basketball players underwent inversion and eversion muscle strength testing using an isokinetic dynamometer in both …


An Investigation Of The Sled Push Exercise: Quantification Of Work, Kinematics, And Related Physical Characteristics, James Hoffmann Jr Aug 2014

An Investigation Of The Sled Push Exercise: Quantification Of Work, Kinematics, And Related Physical Characteristics, James Hoffmann Jr

Electronic Theses and Dissertations

The purpose of this dissertation was to describe the basic characteristics of performing resisted sprint training using a push sled for the enhancement of sport performance. Specifically, this dissertation served to: 1.) quantify the frictional forces involved between a push sled and an AstroTurf® surface at 6 loads, 2.) derive an estimation of mechanical work performed during sled push training, 3.) outline the velocity characteristics of 3 sled pushing loads scaled to the athletes body mass for comparison against their sprinting ability and 4.) determine the interrelations of fitness characteristics to the ability to sprint under heavy resistance.

The following …


An Acute Bout Of Self-Myofascial Release In The Form Of Foam Rolling Improves Performance Testing, Corey A. Peacock, Darren D. Krein, Tobin A. Silver, Gabriel J. Sanders, Kyle-Patrick A. Von Carlowitz Jul 2014

An Acute Bout Of Self-Myofascial Release In The Form Of Foam Rolling Improves Performance Testing, Corey A. Peacock, Darren D. Krein, Tobin A. Silver, Gabriel J. Sanders, Kyle-Patrick A. Von Carlowitz

International Journal of Exercise Science

International Journal of Exercise Science 7(3) : 202-211, 2014. Recent developments in the strength and conditioning field have shown the incorporation of foam rolling self-myofascial release in adjunct with a dynamic warm-up. This is thought to improve overall training performance; however, minimal research exists supporting this theory. Therefore, determining if an acute bout of foam rolling self-myofascial release in addition to a dynamic warm-up could influence performance is of importance. In order to do so, eleven athletically trained male subjects participated in a two condition, counterbalanced, crossover within-subjects study comparing two particular warm-up routines. The two warm-up routines compared were …


Relationships Between Anthropometric And Performance Variables In Youth: Predictors Of Lower-Body Vertical Jump Peak Power, Alexander S. Drusch, Elias M. Carrillo, Jacob Adam Mota, Kendra D. Olinghouse, Matt S. Stock, Marc Lochbaum, Brennan J. Thompson Feb 2014

Relationships Between Anthropometric And Performance Variables In Youth: Predictors Of Lower-Body Vertical Jump Peak Power, Alexander S. Drusch, Elias M. Carrillo, Jacob Adam Mota, Kendra D. Olinghouse, Matt S. Stock, Marc Lochbaum, Brennan J. Thompson

International Journal of Exercise Science: Conference Proceedings

ABSTRACT

Anthropometric and physical performance measurements are commonly used for identifying specific physical traits in youth. Laboratory-based tests (e.g., linear velocity transducers), while accurate, provide practical limitations due to high costs and technical necessities. Thus, commonly used field tests may be useful alternatives for assessing fitness/performance characteristics of youth. The purpose of this study was to examine the relationships between anthropometric measures and lower-and upper-body power and strength measures; and to assess the predictive ability of these measures for lower-body vertical jump peak power (PP) output in youth. Thirty-nine pre-adolescent (mean±SD, range: age=7.8±1.7, 5-12 years) children volunteered to participate in …


Leg Strength And Lean Mass Symmetry Influences Kicking Performance In Australian Football, Nicolas H. Hart, Sophia Nimphius, Tania Spiteri, Robert U. Newton Jan 2014

Leg Strength And Lean Mass Symmetry Influences Kicking Performance In Australian Football, Nicolas H. Hart, Sophia Nimphius, Tania Spiteri, Robert U. Newton

Research outputs 2014 to 2021

Differential loading patterns during game-based participation may produce or exacerbate strength imbalances between the lower limbs. It is currently unknown whether such imbalances are functionally beneficial or detrimental to performance. This study assessed the influence of lower limb strength and lean mass symmetry on kicking accuracy in Australian Football. Thirty-one Australian footballers were required to perform a kicking assessment, producing ten drop punt kicks over twenty metres to a player target. Athletes were subsequently separated into accurate (n = 15) and inaccurate (n = 16) groups, with lower-body lean mass assessed using whole body DXA scans, and lower-body strength assessed …