Guides

Topic hubs that pull together everything L4 has written on one subject.

• Youth Strength Training Safety

  What the research says about kids and weight training - safe starting ages, the growth-plate myth, and what a well-run youth strength program looks like.

• Understanding Athlete Testing

  What off-ice testing and combine numbers actually mean for a young athlete - how percentiles work, why trends beat one-day scores, and how to prep for tryouts.

• Gym Revenue & Software

  How training facilities choose the right coaching software and turn parent engagement into a second revenue line, beyond the standard subscription-fee model.

• Running Athlete Testing Days

  A facility operator's playbook for athlete testing days - pricing models, test protocols, station setup, staffing, and turning one event into recurring revenue.