Blog

Weighted Sled Towing and Ground Reaction Force by NASEinc

Effects of weighted sled towing on ground reaction force during the acceleration phase of sprint running: There is a need for additional research on the proper use and variable control for sprint-resisted training (weighted sleds, Austin leg-drive machine, uphill and staircase sprinti
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Age and Ground Reaction Forces by NASEinc

Age-Related Differences in Spatiotemporal Variables and Ground Reaction Forces During Sprinting in Boys: The age of the athlete (pre-pubescent and adolescent growth spurt periods) is a significant factor in sprint performance. The study described below by Nagahara and colleagues (2018
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Reactive Strength and Sprint Performance by NASEinc

Kinetic Determinants of Reactive Strength in Highly Trained Sprint Athletes: Reactive strength involves the ability of an athlete to rapidly and efficiently change from an eccentric to a concentric contraction. For a sprinter, this involves the explosive action of the stretch-shorteni
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Backward Running as a Sprint Training Technique by NASEinc

A New Direction to Athletic Performance: Understanding the Acute and Longitudinal Responses to Backward Running Backward running is an activity seldom used in the training of athletes in power sports, yet this movement pattern is common for linebackers and defensive backs in football
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Sprint Assisted and Resisted Training by NASEinc

Both resisted and assisted training programs are key parts of the NASE 5-Step Training Model for the speed improvement of athletes in power sports. The study by Wibowo, on the Impact of Assisted Sprinting training (AS) and Resisted Sprinting Training (RS) in Repetition Method on Impro
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Olympic Weightlifting Exercises and Power, Strength and Speed by NASEinc

Hang clean and hang snatches produce similar improvements in female collegiate athletes: The study by Ayers and colleagues described in the Abstract below focused on hang clean and hang snatches to determine the training effects on the power, strength, and speed of female collegiate a
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Relative Strength and Power and Sprinting Speed by NASEinc

Predictors of Sprint Performance in Professional Rugby Players: Relative strength and power are key factors that affect the speed of athletes during the start, acceleration, and maximum speed phase of a short sprint. The Abstract of a study by Cunningham and colleagues, described belo
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The NFL Combine: Do Test Scores Predict Success? by NASEinc

The NFL Combine and Performance on the Football Field: Do high scores on the NFL Combine physical tests predict success in the NFL? Several studies have been conducted to answer these and other questions. The investigation by Kuzmits and colleagues described in the abstract below is p
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The Use of a Sensor Insole to Measure GRF

Effectiveness of a wireless Sensor Insole in measuring vertically directed ground reaction force (GRF) during the sprinting action: The availability of a device to accurately measure the amount and direction of force applied to the ground with each step during the sprinting action wou
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Effects of Various Training Programs on Sprint Performance by NASEinc

Meta-analysis techniques have the advantage of combining the results from multiple studies to increase power, resolve uncertainty when studies disagree, and improve the accuracy of findings. Rumpf and colleagues (2016) used this technique to analyze the effects of various training pro
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