Cardio vs Strength Training: What's Right for You?

If you're new to the gym, cardio and strength training can feel like two different worlds — and choosing between them is one of the first questions most beginners wrestle with. The honest answer? You don't have to choose. But understanding what each one does, and how to combine them, will help you get results faster and actually enjoy the process.

Here's what you need to know.

What Is Cardio Training?

Cardio (short for cardiovascular exercise) is any activity that raises your heart rate and keeps it elevated for a sustained period. Think walking, running, cycling, rowing, swimming, and group fitness classes.

The benefits go well beyond calorie burn. Regular cardio strengthens the heart muscle, improves blood circulation, boosts lung capacity, and has been linked to reduced risk of heart disease, type 2 diabetes, and depression. Research published in the British Journal of Sports Medicine found that aerobic exercise is one of the most effective non-pharmacological treatments for anxiety and depression, with effects comparable to medication in some populations.

At Snap Fitness, cardio equipment can include: treadmills, ellipticals, rowing machines, stair climbers, air bikes and row machines.

What Is Strength Training?

Strength training — also called resistance training or weight training — is any exercise that works your muscles against resistance. That includes free weights, barbells, cable machines, resistance bands, and bodyweight exercises.

The health case for strength training is compelling. A 2022 systematic review and meta-analysis led by researchers at the University of South Australia found that resistance training is associated with a 15% lower risk of all-cause mortality, a 19% lower risk of cardiovascular disease mortality, and a 14% lower risk of cancer mortality — with the greatest benefit seen at around 60 minutes of resistance training per week. It also builds bone density, improves balance, raises resting metabolism, and protects joints as you age.

At Snap Fitness, strength equipment can include: free weights, cable machines, weight benches, pin-loaded machines, squat racks, barbell racks, and Smith machines.

Cardio vs Strength Training: The Key Differences

What Should a Beginner Prioritise?

Most beginners default to cardio because it feels familiar — a walk on the treadmill, a group fitness class. And that's a perfectly valid starting point. But if you're starting from scratch with no particular goal in mind, the research increasingly favours building strength first.

Here's why: muscle mass is your long-term metabolic engine. More muscle means more calories burned at rest, better functional movement, fewer injuries, and a body that ages well. Cardio is a brilliant complement to that foundation — not the other way around.

That said, the best training plan is the one you'll actually do. Starting with whatever feels less intimidating is always the right call.

If your goal is weight loss:

Cardio will generally burn more calories per session. But strength training builds muscle, which raises your resting metabolic rate — meaning you burn more calories even when you're not exercising. A combination of both is more effective for sustainable weight loss than either alone.

If your goal is to feel stronger and more confident:

Start with strength training two to three times per week. Even after four weeks, most beginners notice meaningful improvements in how their body feels and moves.

If your goal is better health and energy:

Both. The World Health Organisation recommends at least 150 minutes of moderate aerobic activity per week alongside two muscle-strengthening sessions. You don't need to hit those numbers immediately — but they're a useful north star.

How to Combine Cardio and Strength Training

You don't need to pick a lane. Here are four practical approaches for beginners:

1. Alternate days Strength on Monday and Thursday. Cardio on Tuesday and Friday. Rest on Wednesday and weekends. Simple, clear, and sustainable.

2. Same-day split Start with a 10-minute cardio warm-up, move into your strength work, then finish with a 10-minute cardio cooldown. This is time-efficient and works well if you can only get to the gym a few times a week.

3. Hybrid circuits Rotate between cardio and strength within the same session — 15 minutes on the treadmill, a set of dumbbell work, back to the bike, then a resistance machine. Great for keeping things interesting!

4. HIIT and circuit training Short, high-intensity bursts of cardio paired with strength movements — think kettlebells, burpees, and jumping jacks. Efficient, challenging, and excellent for building both fitness and confidence quickly. Best suited once you've built some base fitness.

The Part Most Beginners Miss

The biggest mistake beginners make isn't choosing the wrong type of training — it's going too hard, too soon, and burning out or getting injured within the first few weeks.

Start lighter than you think you need to. Rest days are not wasted days — they're when your muscles actually repair and grow. And consistency across weeks and months will outperform intensity every single time.

If you're not sure where to start, that's completely normal. A single session with a personal trainer can give you a program built around your specific goals, fitness level, and the equipment you actually want to use — and can save you months of guesswork.

Ready to Get Started?

The hardest part is walking through the door. Everything else can be figured out from there — and you don't have to figure it out alone.

Book a personal training session at your nearest Snap Fitness and get a program built around your goals from day one.

Find your nearest Snap Fitness →

`

Sources: Shailendra et al. (2022), "Resistance Training and Mortality Risk: A Systematic Review and Meta-Analysis," American Journal of Preventive Medicine — University of South Australia / University of Southern Queensland; WHO Global Recommendations on Physical Activity for Health; Hearing et al. (2016), exercise and mental health, Frontiers in Psychiatry.