Practical, research-backed articles from Chris Keith, who has over 30 years of personal training in San Diego. Chris writes about strength training, weight loss, mobility, nutrition, injury recovery and training at every age, from teenagers to adults 70+. Each article answers a question clients ask in the studio and ends with simple steps you can use right away.
Start here: Strength Training for Beginners · Gradual Progressive Overload · 5 Laws of Strength Training · How much a personal trainer costs in San Diego · Is a personal trainer worth it?
Want 1-on-1 help? See training for weight loss, adults 40+, 50+, 60+ and 70+, teenagers, beginners and strength training after physical therapy, or text Chris at (619) 840-9099 for a free consultation.
Strength and Balance Training for Older Adults in San Diego
Learn safe strength and balance exercises for older adults. Why consistent training matters and how to get started with personalized coaching in San Diego.
How to Prevent Sports Injuries in Teens: 6 Smart Strategies
How to prevent sports injuries in teens: 6 strategies from ACL-prevention warm-ups to rest and sleep. San Diego trainer tips parents can use today.
San Diego Sheriff Physical Ability Test: A Training Guide
San Diego Sheriff physical ability test events from official sources, plus a training plan, sample week and common mistakes. Start preparing today.
Shoulder Pain When Lifting: How to Train Around It
Shoulder pain when lifting? San Diego trainer Chris Keith shares exercise swaps, shoulder-strengthening moves and the red flags that mean see a doctor.
Strength Training for Teen Athletes: 7 Key Benefits
Strength training for teen athletes builds power, speed and injury resistance. See 7 benefits, a sample session and safety tips from a San Diego trainer.
Core Exercises for Back Pain: The Best Moves to Try
Core exercises for back pain work best as part of a full strength plan. San Diego trainer Chris Keith shares 6 moves, how often to do them and red flags.
