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.
Tight Hip Flexors From Sitting: The Best Exercises to Try
Tight hip flexors from sitting? San Diego trainer Chris Keith shares 5 simple moves, a desk-day plan, and when to see a doctor or physical therapist.
Strength Training on GLP-1: Why It Matters for Long-Term Health
Strength training on GLP-1 medication can help protect muscle, bone and results. A San Diego trainer explains why it matters and how to start safely.
Private Training Studio in San Diego vs. a Big-Box Gym
Private training studio in San Diego or a big-box gym? Compare privacy, coaching, cost and results from a trainer with over 30 years in San Diego.
Lower Back Pain From Sitting: The Best Exercises to Try
Lower back pain from sitting? San Diego trainer Chris Keith shares 6 simple exercises, how often to get up, and when to see a doctor or physical therapist.
How Much Exercise Do Teenagers Need? The Surprising Answer
How much exercise do teenagers need? See the CDC guideline, how few San Diego-area teens meet it, and how to fit strength work into a busy school week.
Upper Back Pain From Sitting: The Best Exercises to Try
Upper back pain from sitting? San Diego trainer Chris Keith shares 6 desk-friendly exercises, setup tips, and when to see a doctor or physical therapist.
