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.
Rounded Shoulders: 7 Exercises and Stretches to Fix Them
Rounded shoulders come from desk posture, repetitive tasks and muscle imbalance. Learn 7 simple exercises and stretches a San Diego trainer uses to fix them.
Body Type Quiz: Ectomorph, Mesomorph or Endomorph?
Take this 8-question body type quiz to see if you lean ectomorph, mesomorph or endomorph, then get training and nutrition tips from a San Diego trainer.
Zombie Cells and Aging: How Exercise Helps Keep Them in Check
Zombie cells are aging cells that stop dividing but won't die, fueling inflammation. Learn what the research says and how exercise and diet may help.
30-Day Rowing Challenge: How to Crush Rowvember
Take a 30-day rowing challenge like Rowvember: row 1,000, 1,500 or 2,000 meters a day to build endurance, strength and consistency, with tips to finish strong.
Healthy Breakfast Ideas: 4 Quick Meals Under 400 Calories
Short on time? These 4 healthy breakfast ideas from a San Diego personal trainer take minutes, stay under 400 calories, and keep you full until lunch.
Rotator Cuff Exercises: A 3-Phase Plan for a Strong Shoulder
Rotator cuff exercises in 3 phases: mobility, stability and strength. A San Diego trainer who rehabbed his own SLAP tear explains how to progress safely.
