Why Cardio Isn’t the Answer: Smarter Training for Women Over 40
- Jack Braniff
- Apr 2
- 3 min read

You’ve cut the calories. You’ve ramped up the cardio. You’re doing “all the right things” — so why is your body not responding the way it used to?
If you’re a woman over 40, chances are you’ve noticed that what worked in your 20s and 30s suddenly… doesn’t. The long runs, HIIT sessions, or spin classes that once melted fat are now just leaving you tired, sore, and stuck.
You’re not imagining it — and it’s not your fault.
Here’s what’s really going on:
As we age, especially approaching peri-menopause and beyond, hormonal changes (like reductions in oestrogen) start to affect how our bodies respond to stress, recovery, and training.
Cardio, especially in large amounts, can increase stress on the body. This can:
Break down muscle tissue
Lead to burnout and plateaus
While cardio can help burn calories in the short term, it does very little to build or preserve muscle — and muscle is the secret weapon when it comes to long-term fat loss and a healthy metabolism.
💪 Muscle = Metabolism
Think of muscle as your metabolic engine. The more muscle you have, the more energy (and fat) your body burns — even at rest.
Yet many women avoid strength training out of fear:
“I don’t want to get bulky.”
“I don’t know what I’m doing.”
“I’ve always just done cardio — it feels safe.”
But here’s the truth: lifting weights (the right way) won’t make you bulky — it will make you strong, lean, and confident. It will protect your bones, joints, and metabolism. It will reduce belly fat, not add to it.
🚶♀️ So... Should I Stop Cardio Altogether?
Not at all. Cardio still has benefits — especially for your heart health, endurance, and mental wellbeing.
The key is not relying on cardio as your main fat loss tool.
At Metabolic Birmingham, we help women use cardio in a supportive role:
Low-impact cardio like walking or cycling to aid recovery and fat burn
Short, structured interval sessions to build fitness and torch calories
Movement that you actually enjoy and can recover from
But your foundation — especially if you want to reduce belly fat, improve energy, and reshape your body — should be strength training paired with personalised nutrition and metabolism testing.
🔁 Let’s flip the script
At Metabolic Birmingham, we specialise in metabolism testing and personal training for women in Birmingham who feel stuck, frustrated, or unsure of where to start.
Instead of pounding the treadmill, our clients build strong bodies that work for them — not against them.
We combine:
Strength training in a small group setting
Metabolism testing to understand your unique calorie burn
Smart, targeted cardio
Real support and coaching in a friendly, non-intimidating spac
👏 Client Spotlight: Claire, 47
"I used to do 5 cardio classes a week and was constantly tired. Since switching to small group strength training and doing a metabolism test, I’ve lost 12 pounds, feel stronger than I did in my 30s, and finally understand what my body needs."
🧪 Ready to train smarter, not harder?
If you’re a woman over 40 in Birmingham who’s tired of doing everything “right” but getting nowhere, it’s time to try something different.
📍 Based in Erdington, Birmingham
Supportive coaching tailored to women over 30
Real results backed by science
Book your free discovery call -
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