Body Fat, Muscle Mass, and Sprint Performance – Blog Entry by NASE

Abstract: It is generally believed that more muscle mass in the lower body reflects more muscular strength and power. If true, greater ground reaction forces may be facilitated from increasing muscle mass, which may result in higher maximal running speeds. One method to assess the potential contributions of body composition (i.e. muscle mass and fat …

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Proprioceptive Training and Agility Performance, Blog Entry by NASE

ABSTRACT Background and Purpose: Football is a high intensity intermittent sport which requires the successful and effective execution of the technical skill like agility, change of direction, acceleration, deceleration, sudden stops and shots largely depends on the football players’ ability to control their balance and to adapt better and faster to their ever changing bodily …

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Plyometric and Speed Training Effects on Linear Speed, COD, and Speed Endurance – Blog Entry by NASE

Abstract: It has been well established that plyometric and speed training have positive impacts on fitness parameters in soccer players. The aim of this study was to compare short-term effects of a combined plyometric and speed training implemented on the same or separate days of a week on change of direction (COD), linear speed (LS), …

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Treadmill Sprint Training, Speed, and Body Composition, Blog Entry by NASE

Abstract: The effects of different sprint training modalities on body composition are not yet known, and the effectiveness of using motorized treadmills for sprint training is yet to be assessed accurately. The following study investigated the effects of motorized treadmill and overground training on sprint performance and body composition. Sixty-four young adults (33 men and …

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Circuit Resistance Training and Speed and Skill in Football, NASE Blog Entry

ABSTRACT: The purpose of the study was to find out the “Efficacy of Circuit resistance training and football skill based drill training on speed of college football players”. To achieve this purpose of the study, sixty intercollegiate football players from SRM University, Kanchipuram were selected at random as subjects. The age of the players ranged …

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Backward vs. Forward Sled Towing on Speed, Jumping, and Leg Compliance, NASE Blog entry

Abstract: Resisted sprinting (RS) is a popular training method used to enhance sprinting performance in youth. However, research has only explored the effects of forward RS (FRS) training. We examined the effects of FRS and backward RS (BRS) and compared these with a traditional physical education curriculum (CON). One hundred fifteen boys (age 13–15 years) …

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Muscle Imbalance and Speed, NASE Blog Entry

Abstract – Purpose: Footedness as a predictor of brain hemispheric dominance cause performance differences in movement and sports performance. This study aimed to investigate the 30 m sprint speed difference between unilateral and bilateral foot dominance in 156 male and 37 female athletes. Material Method: It was assumed that all participants exerted maximum effort during …

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Biomechanical Model of Sprint Technique: Backward vs. Forward Sled Towing on Speed, Jumping, and Leg Compliance, Blog by NASEinc

Abstract: Resisted sprinting (RS) is a popular training method used to enhance sprinting performance in youth. However, research has only explored the effects of forward RS (FRS) training. We examined the effects of FRS and backward RS (BRS) and compared these with a traditional physical education curriculum (CON). One hundred fifteen boys (age 13–15 years) …

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Biomechanical Model of Sprint Technique, NASE Blog Entry

The aim of this research was to determine which kinematic parameters generate the maximum sprint speed of the world’s fastest sprinter, Usain Bolt. The biomechanical parameters of a double sprint step, using a 2D kinematic analysis under conditions of the realization of its maximum velocity were analyzed. The APAS computer system was used for the …

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Video Measures of Running Ground Contact Times and Vertical Ground Reaction Forces, by NASEinc

Abstract: Ground contact time (GCT) and vertical ground reaction force (VGRF) are key variables with Video Measures of Running Ground Contact Times and Vertical Ground Reaction Forcesregards to running performance, metabolic rate, and musculoskeletal stresses. However, there are few field-based methods with acceptable accuracy to quantify these variables in comparison to a laboratory force plate …

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