Conditioning and cardio alongside the program

Can you run, bike, or row while running this program without it hurting your squat and deadlift? What actually changes muscle-and-strength outcomes when cardio and lifting share a week, which modalities cost the least recovery, and how much conditioning this program’s own schedule actually leaves room for.

Want the short version? Which kind of conditioning, and how much of it, fits alongside heavy lifting. Steady-state vs. intervals · How much, and when

Worried it’ll hurt your squat or deadlift? What the research actually shows, and why it doesn’t mean “avoid cardio.” Does cardio interfere with lifting?

General physical preparedness, and why this program needs to say something about it

GPP (general physical preparedness) is the standard name for broad, non-sport-specific conditioning work — the kind that builds general work capacity, endurance, and recovery ability rather than practicing a specific skill. It's usually described as groundwork laid before more specialized training narrows in on a single goal, and it sits underneath a strength program the same way it sits underneath any other athletic pursuit. "Can I run or bike while doing this program, will it hurt my squat" is a genuinely common, genuinely reasonable question, and this program hasn't had a real answer for it anywhere on this site until now.

The honest starting point is the same one the accessory-work page already lays out for extra barbell volume: novice linear progression is built around recovering fully between sessions, and squat and deadlift add weight on every single session — that schedule only keeps working because the fatigue it creates is deliberately kept small. Conditioning work is a different kind of addition than an extra exercise — it loads your cardiovascular system and, depending on the kind, your legs directly — but it draws from the same recovery budget. The question isn't whether to do it; regular conditioning is a real, independent part of general fitness with its own benefits. The question is which kind, how much, and when, so it adds capacity instead of quietly eating into the recovery your squat and deadlift need to keep adding weight.

Does cardio actually interfere with strength and muscle gains?

"Cardio kills your gains" is a widely repeated claim that doesn't hold up against the real research. A meta-analysis pooling ten studies on athletes who did cardio before resistance training found no meaningful negative effect on muscle growth — but it did find a real, measurable negative effect specifically on leg strength. That's a narrower and more useful finding than a blanket "cardio is fine" or "cardio is bad": muscle size and maximal strength don't respond identically to the same combined stress, and the effect that does show up lands specifically on the lower body — squat and deadlift's own territory, not bench or press.

There's a real, described mechanism that offers one explanation for why. AMPK, a cellular energy sensor that switches on under the kind of sustained, energy-depleting effort endurance exercise produces, has a documented inhibitory effect on mTORC1 — the same signaling complex resistance training relies on to turn a lifted set into new muscle protein. By activating a chain that inhibits mTORC1, an AMPK response can put the brakes on the exact process a hard lifting session is trying to trigger. This is a real, independently described biochemical pathway, not an explanation invented for this page — and it's a plausible reason a demanding cardio effort placed too close to a heavy lift could blunt that lift's own adaptation, rather than proof that any amount of cardio does.

Put together, that's not an argument against conditioning — it's an argument for being deliberate about which kind, and when. A gentle, low-fatigue session costs very little against that mechanism; a maximal-effort one closer to your heaviest squat or deadlift session of the week costs more. The rest of this page is about making that trade deliberately instead of by accident. It isn't the only popular post-training habit with a real, similarly-shaped cost — see ice baths and cold water immersion for a real trial and meta-analysis finding the same kind of interference from a different stimulus entirely.

Low-impact steady-state vs. high-intensity interval work

Low-impact steady-state is sustained effort at a pace you could hold a conversation through — walking, cycling, rowing, or swimming for 20 minutes to an hour. It asks relatively little of the same fast-twitch muscle fibers and central nervous system your heaviest squat and deadlift sets need, and walking or swimming in particular put no real impact loading through the hips, knees, and ankles the way running does. That combination — real aerobic stimulus, low fatigue cost, minimal shared-tissue stress with your main lifts — makes it the default recommendation to add alongside a program like this one.

High-intensity interval training (HIIT) is a different thing entirely: short, near-maximal efforts alternated with brief recovery, until real fatigue sets in. Published protocols vary — one widely cited version alternates 20 seconds of near-maximal effort with 10 seconds of rest for four total minutes; another alternates roughly a minute of hard effort with just over a minute of recovery across 8 to 12 rounds — but they share the same shape: brief, genuinely maximal efforts, not a harder version of steady-state. That's exactly why it costs more to fit next to this program's own main lifts. A real HIIT session asks for the same kind of maximal, fast-twitch effort a heavy squat or deadlift set does, and it carries a documented real injury and overtraining risk when it isn't given adequate recovery around it — the same caution any other hard training session deserves, not something to add on top of an already-full week for free.

Running sits in an awkward middle spot worth calling out specifically, since it's the single most common thing people ask about. It's genuinely lower-intensity than HIIT, but unlike cycling, rowing, or swimming it loads the same hips, knees, and ankles — and the same major lower-body muscles — that squat and deadlift already train, through repeated impact rather than a smooth pedal or pull stroke. A little of it is a reasonable thing to add; a lot of it, especially close to your hardest lower-body lifting day of the week, is competing more directly with your squat and deadlift than swimming or cycling the same duration would.

Where each common modality actually fits alongside this program.
ModalityWhat it asks of youFit alongside squat and deadlift
WalkingLow intensity, no real impact loadingThe default. Any day, including a lifting day.
Cycling, rowing, swimmingSustained, conversational-pace effort, no real impact loadingGood. Same reasoning as walking; keep the longer or harder sessions on rest days.
Running / joggingSustained moderate effort, real impact through the hips, knees, and anklesFine in modest amounts; keep it away from your hardest lower-body lifting day.
HIIT / sprint intervalsShort, near-maximal efforts, real central-nervous-system and injury costA real training stimulus, not free conditioning. Treat it like an actual session — see the timing below.

How much, and when

For general health, the well-established public-health baseline is at least 20 minutes of moderate aerobic activity at least three times a week, with real additional benefit up to roughly two and a half hours a week — a wide, forgiving range, not a number you need to hit exactly. A real, novice-program-specific figure exists too: one widely used novice barbell program's own published guidance suggests 10 to 25 minutes of conversational-pace cardio on rest days, at least twice a week, with a third optional session bringing the week to roughly that same 75-minute total — a concrete, workable number rather than a vague "some cardio is fine."

On spacing: real research on combining aerobic and strength training finds that leaving roughly a full day of recovery between a hard aerobic effort and a hard lifting session produces better results than stacking them close together. Translated to this program, that means the harder or longer end of your conditioning work — anything past an easy walk — belongs on a rest day, not immediately before or after your heaviest squat or deadlift session of the week. An easy walk doesn't need that same separation; it's the genuinely demanding sessions, from either side, that benefit from the gap.

If cardio and lifting do end up in the same session, order matters less for your overall fitness than it does for which one suffers the fatigue — whichever you do second will be performed tired. If you have no strong preference, lift first: training a heavy squat or deadlift while already fatigued from cardio carries a real, avoidable technique and injury risk that doing an easy conditioning session after a lifting session doesn't carry in the other direction.

Fitting it around novice, intermediate, and advanced

Novice trains 3 sessions a week, never two in a row — the same built-in rest days sleep and recovery basics already covers for sleep and food. Those rest days are the natural home for the harder or longer end of your conditioning work; an easy walk fits on a training day without borrowing meaningfully from that budget. Intermediate and advanced both keep the same three-sessions-a-week structure — Build/Groove/Test for intermediate, Heavy/Medium/Light for advanced — so the same reasoning carries forward through every phase of this program, not just the beginning of it.

Said plainly, so this doesn't imply a feature that doesn't exist: no phase this program generates has its own conditioning prescription or rest-day cardio recommendation built in — novice, intermediate, and advanced schedule squat, bench press, deadlift, and overhead press, and nothing about conditioning specifically. Everything above is real, general guidance to apply around that schedule yourself, the same way accessory work is a real, informed choice you make on top of the program rather than something the program prescribes for you.

Logging it in Resolve

Resolve already has a real, general-purpose way to track this, in the Gym tab's own Cardio section: log minutes the same quick way you log weight or sleep, set your own target for it, and see it trended over time alongside your other metrics. It doesn't compute a recommended number the way the Food tab's nutrition targets do — everything above is what informs the number you set for yourself, not something the app decides for you. If you coach-share your logs, cardio minutes are one of the real categories a coach can see, the same as weight, sleep, and nutrition.