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Login Update: You must now use your email address as your username. Quizzes are temporarily unavailable for grading and CEU credit. Thank you for your patience as we resolve post-upgrade issues. For other technical assistance, please submit a request through our contact form.
This article highlights the scientific evidence on exercises like the seated leg extension, leg curl, and adduction machines to highlight their potential benefits on enhanced performance and potentially reducing injury risk.
Personal trainersExercise ScienceProgram designSafety
Acceleration is the rate of change in velocity, so this phase of sprinting is critical for changing directions as rapidly and efficiently as possible. Optimal technique for linear sprinting in the acceleration phase involves four factors that maximize stride length and frequency.
This infographic briefly reviews the differences in sprint velocity and technique, including stride length and hip, knee, and ankle flexion during a 20-meter resisted sprint.
This infographic highlights an investigation into the relationship between joint-based biomechanical variables in cutting and performance outcome during change-of-direction.
NSCA Coach 11.4 shares how strength training of the posterior chain in athletes can reduce injury risk and aid rehabilitation. Visit us online to read more about exercise research.
CoachesExercise ScienceExercise TechniqueProgram designTesting and EvaluationClient Consultation|Assessment
This article highlights four non-traditional calf exercises that can immediately be used in strength programs for improving calf strength while also increasing ankle dorsiflexion mobility.
Deceleration in court and field sports, such as football and soccer, is an important component of speed and agility. This book excerpt looks at how to train for effective deceleration.
This book excerpt is an overview of the fundamentals to sprinting mechanics and technique. It also covers starting, acceleration, drive phase, recovery phase, and deceleration.