The Fitness Investment That Keeps Paying You Back—Even 20 Years Later
Most people think about exercise as something that helps them lose weight, improve their mood, or build muscle.
Posts about:
Cardio
Woodway + CLMBR: What’s Coming to FITNESS SF Polk
The new Polk location is adding Woodway and CLMBR cardio equipment to give members low-impact, performance-level options for running, climbing, and hill work. These upgrades are designed to feel smoother on your joints while still delivering serious conditioning for beginners and experienced athletes.
How Exercise Prevents Frailty and Fragility Fractures
Aging changes the body — but decline is not inevitable.
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?