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Elevate Your Game

Science-Driven Training. Proven Results.

Science-Driven Results

Elite Coaching Expertise

Coaching Manuals & Books

Accessible & Personalized

Leader in Sports Science

Northstar Sports Performance in Mira Loma, California, provides science-based athletic training, led by Coach Keith Johnson, a certified specialist with over 30 years in sports science. Coach Johnson trains NFL, college, and youth athletes, and his books - The Science of Sports Performance and Angles of Efficiency - are available on Amazon. Every program integrates research-driven assessments and proven techniques to help athletes and coaches reach the next level.

Core Performance Training Services

Coach Keith's Story

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Northstar Sports Performance in Mira Loma, California, is a sports training and coaching manual provider led by Coach Keith Johnson, a certified sports scientist with over 30 years of experience. Coach Johnson has trained NFL, college, and high school athletes, using evidence-based assessments and advanced programming to unlock measurable results. His certifications include CPT, NSCA, ACSM, CSCS, and United States Sports Academy credentials. As an AFCA member and author of widely used training books, Coach Johnson delivers trusted guidance for athletes and coaches seeking science-backed improvement.

Books & Training Packages

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Core Northstar Amenities

Personalized Training Plans

Receive a training plan designed around your specific goals, athletic history, and areas for improvement, ensuring every workout drives meaningful progress.

Video Analysis

Gain precise, visual breakdowns of your movement and skills, allowing for targeted technique improvements and reduced injury risk.

Performance Assessments

Utilize detailed assessments and testing to measure current abilities, pinpoint limiting factors, and track personal development over time.

Youth & Adult Programs

Participate in programs built for both developing youth athletes and adults seeking competitive or lifelong performance gains.

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