Lower Body Strength and Linear Speed

Abstract: The implementation of resistance training to enhance muscular strength alongside other physical performance tasks such as linear speed or agility is a primary goal for strength and conditioning practitioners working with American football athletes. This study aimed to investigate changes in body weight, relative and absolute lower body strength, as well as linear speed …

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The Influence of Physiological Workload of Collegiate Football Training on Autonomic Nervous System Recovery During the In-Season Period 

Fully restoring autonomic nervous system (ANS) function is paramount for peak sports performance. Training programs failing to provide sufficient recovery, especially during the in-season, may negatively affect performance. This study aimed to evaluate the influence of the physiological workload of collegiate football training on ANS recovery and function during the in-season. Football athletes recruited from a …

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The Effects of Strength and Conditioning Interventions on Sprinting Performance in Team Sport Athletes: A Systematic Review 

Linear sprinting is a key determinant of athletic performance within team sports. The aims of the review were to quantify and compare the effectiveness of popular strength and conditioning (S&C) training modes to improve sprint performance in team sport athletes, with additional focus on potential moderators and the relationships between improvements in physical factors (e.g., …

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Effects of Ballistic Resistance Training on Baseball Throwing and Base Running Speed

Ballistic resistance training involves explosive movements against resistance at the fastest velocity possible. This study examined the effect of a ballistic resistance training program on baseball throwing and base running speed. Eighteen National League baseball players from two teams took part in the 10-week training study in conjunction with their normal preseason baseball training. Nine subjects …

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Development of a Cutting Technique Modification Training Program and Evaluation of its Effects on Movement Quality and Cutting Performance in Male Adolescent American Football Players

This study developed a cutting technique modification training program and investigated its effects on cutting performance and movement quality in adolescent American football players. For six weeks, an intervention group (IG) of 11 players participated in 25 min cutting technique modification training sessions integrated into team training twice a week, while a control group (CG) …

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Strength and Power Training for Football during the In-Season Period

Football (soccer) performance requires a diversity of physical attributes and biomotor abilities, such as strength, power, jump mechanics, repeat sprint ability, change of direction and on-ball skills. In-season training focus is often based on metabolic conditioning activities such as small sided games, tactical and technical football drills and traditional running drills in order to further …

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Hop Tests and the Functional Athletic Performance of American Football Players

Abstract Objective: Hop tests have well-known benefits when evaluating the rehabilitation process after sports injuries. However, utilization of hop tests to evaluate functional athletic performance of healthy athletes is currently uncertain and is not common in clinical practice. This study aimed to investigate the relationships between hop performance, their symmetries and functional test performance in American …

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Assessing the Act of Tackling in American Football

Tackling is a fundamental defensive move in American football, with the main purpose of stopping the forward motion of the ball-carrier. However, current tackling metrics are manually recorded outcomes that are inherently flawed due to their discrete and subjective nature. Using player tracking data, we present a novel framework for assessing tackling contribution in a …

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Positional Movement Demands during NFL Football Games

Abstract: Understanding the in-game demands placed on athletes may allow practitioners to design improved training protocols to prepare athletes for competitive demands. This study aimed to quantify the competitive movement demands of professional American football athletes and to determine any inter-positional differences that may exist. Player tracking data were collected from 2018 to 2020 regular …

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An Apparent Achilles Heel of the NFL: Have Achilles Tendon Injuries Significantly Increased to Unacceptably High Incidence Levels in the NFL and if so, why?

Abstract: Many if not most of us watched in utter disbelief and horror last September 11th as Aaron Rogers, the newly acquired $75 million dollar quarterback with the New York Jets just 4 snaps into the new season, suffered an Achilles Tendon ruptures (ATR) in his inaugural game on nationally televised Monday Night Football with …

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