Peer-reviewed study

Cardio dose can interfere with lifting

Concurrent training: a meta-analysis examining interference of aerobic and resistance exercises

CardioMeta-analysis2012

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PubMed source More Cardio research How to read the studies

Kris Oddo, NASM-certified personal trainer, is the founder and head coach of Gains From Geebs (Geebs Coaching), a 1:1 online fitness coaching practice.

Quick answer

What this study found

Cardio belongs in the plan, but the dose, mode, and placement should not wreck the lifting stimulus.

How strong is this kind of study?

Reviews of many studiesThis study
Controlled trials
Observational
Narrative reviews

Meta-analysis. Heavier plates are built from more studies, so they move less when the next one lands.

At a glance

What kind of study this is

Strongest evidence

This pools results from many separate studies, so it carries more weight than any single trial on its own.

Design: Meta-analysis
Published: 2012
Journal: Journal of Strength and Conditioning Research
Reference: PMID 22002517

Source details

Who ran it, and where to read it.

Authors: Wilson et al.

PubMed DOI

Honest limits

What this study does not prove.

The findings do not make cardio harmful; exercise order, total volume, and recovery determine how cardio and lifting work together.

Kris Oddo, NASM-CPT, in the gym — Kris Oddo, NASM-CPT. The study is the evidence; the paragraph below is what he actually does with it.

Kris's practical takeaway

Here's what to do with it.

Cardio belongs in the plan, but the dose, mode, and placement should not wreck the lifting stimulus.

Ways to use it

Safe ways to apply it.

Cardio is a tool, not the plan

Protect the lifts during a cut

LISS before punishment cardio

Questions this research helps answer.

Cut or recomp answer

Should you cut or recomp first?

If you have meaningful fat to lose and lifting is already consistent, a controlled cut can make sense. If you are newer, returning, skinny-fat, or under-muscled, recomposition is often the better first move because the plan needs to build the training signal instead of only chasing scale loss.

Cardio vs weights answer

Is cardio or weights better for fat loss?

For fat loss that still looks good, weights usually need to be the anchor because resistance training helps protect or build muscle while the calorie deficit removes fat. Cardio is still useful, but it works best as a support lever for energy balance, health, and conditioning rather than the whole plan.

Cardio dose answer

How much cardio do you need for fat loss?

Cardio can help fat loss, but it is a lever inside the larger plan, not the whole plan. The useful dose is enough movement to support the calorie target and health without making lifting, hunger, joints, or recovery worse.

Fat loss and muscle answer

How do you lose fat without losing muscle?

The muscle-protecting version of fat loss is not a crash diet. It is a controlled deficit, hard resistance training, enough protein, and cardio placed so it supports the plan without stealing recovery from the lifts.

HIIT and steady cardio answer

Is HIIT better than steady cardio for fat loss?

HIIT is not automatically better than steady cardio for fat loss. If calorie burn is similar, body-composition changes can be similar too. The better choice is the one you recover from, repeat, and can place without hurting lifting performance.

Training volume answer

How many sets do you need to build muscle?

There is no single perfect set number. The useful target is the amount of weekly hard work you can repeat, progress, and recover from. More volume can help, but only if performance, joints, sleep, and adherence hold up.

Related guides and studies

Cardio studies How much cardio for fat loss Lose fat without losing muscle

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