Insights
Practical, research-backed training advice from the coaches at Stealth Performance in Phoenix: strength after 40, choosing the right kind of training, and youth athletic development.

Speed and Strength Training for Kids in Phoenix: What Parents Should Know
A coach’s take on youth speed and strength training in Phoenix: is lifting safe for kids, how kids actually get faster, what changes with age, and what to look for in a program.

Semi-Private Training in Phoenix: Personal Training Results in a Small Group
What semi-private training is, how it compares to 1-on-1 and group classes, what makes Stealth Performance different, and who it fits best. Personal training results with 1-3 people per coach in Arcadia, Phoenix.
Building Confidence in Kids Who Aren’t “Sports Kids”
How small-group strength training builds confidence, coordination and fitness in kids who don’t love team sports, from Phoenix youth coaches.

When Should Kids Start Strength Training? A Guide for Phoenix Parents
Is strength training safe for kids? What the AAP and NSCA say, signs your child is ready, and what good youth training looks like by age.

Strength Training After 40: What Actually Matters?
What really matters for strength training after 40: showing up, steady progress, moving well, working around old injuries, and building yourself up instead of beating yourself down.

Personal Training vs. Small Group Training in Phoenix: Which Is Right for You?
Personal, semi-private or small group training? How to choose the right coached format in Phoenix based on your goals, injuries, budget and accountability.