How Exercise Prevents Frailty and Fragility Fractures
Aging changes the body — but decline is not inevitable.
Posts about:
Cardio
The San Francisco Hybrid Athlete: Stop Choosing Between Strength and Stamina
It’s April 2026. The "New Year, New Me" phase is over. The "Performance Phase" has begun.
Cardio vs Weights vs Both: What Actually Works Best for Fat Loss?
If you hang around our gyms long enough, you’ll hear some version of this debate in every locker room:
“If I want to lose fat, should I just do cardio?”
“But I heard lifting is better because it boosts your metabolism.”
“What if I do both—will they cancel each other out?”
A 2025 systematic review and meta-analysis (36 randomized trials, 1,564 adults) just took a hard look at this exact question: comparing aerobic training (cardio), resistance training (strength), and concurrent training (both in the same week) and how each affects body fat, body weight, and muscle mass (PubMed). Here’s what it means for you at FITNESS SF.
When “Getting in Shape” Meets the Fine Print: HIIT vs. Steady Cardio
You’ve probably heard this one on the gym floor: “Should I do intervals or just get on the treadmill and grind it out?” Behind that question is a real worry: Am I wasting my time if I don’t do HIIT?