Stationary cycling for recovery: knee replacement, hip replacement and heart attack

Quick answer: Stationary cycling is commonly recommended as part of recovery from a knee replacement, a hip replacement, and after a heart attack, but for different reasons in each case, and always alongside your own clinical team's advice, never instead of it. It's a useful, adjustable, low-impact option. It isn't a treatment on its own, and low impact doesn't mean no load. Talk to your surgeon, physiotherapist or cardiac team before you start, and treat their clearance as your starting point.

If that's the version you needed, that's it. Here's the rest, split out properly because knee, hip and heart recovery aren't the same thing and don't deserve the same advice.

Why the bike shows up in all three types of recovery

A body that used to move without you thinking about it now needs care and a plan. That's true whether it's a knee, a hip or your heart.

Stationary cycling turns up across all three for related reasons. The saddle takes part of your body weight. There's no foot-strike impact. You're seated, so balance isn't a factor, and you can stop the moment something doesn't feel right. Resistance, duration and range of movement can all be adjusted in very small steps, which makes it easier to start gently and easier to work out what caused a symptom if one shows up.

None of that makes it risk-free, and none of it makes it a treatment. Low impact does not mean no load. Your joints and your heart still feel it. That's worth remembering through everything below.

Before anything else: chat to your surgeon or physio before you get started, we want you back on the bike safely.

This is general information, not medical advice. Please check with your surgeon or physiotherapist before starting or changing any exercise programme during recovery.

After a knee replacement

Cycling does two different jobs after a knee replacement, and a lot of the advice that looks contradictory online is really just describing these two jobs without saying so.

Early on, if your team has specifically prescribed it, the pedals might be rocked backwards and forwards with little or no resistance, to help the knee move through a gradually increasing arc. You don't need a full pedal revolution to start. Rocking through whatever range is currently available is a completely normal starting point, and a full revolution, when it comes, is a milestone, not a test you've failed until then.

Later, once you're pedalling comfortably and your team is satisfied with how healing is going, the bike becomes more about aerobic and muscular conditioning. Guidance commonly places this endurance phase somewhere around four to six weeks, but that's a general timeframe from broader guidance, not a date for you specifically. Your own recovery sets your own timeline.

The clinical evidence here is honestly mixed, and it's worth saying so plainly rather than only telling you the encouraging bits. Cycling is feasible, it's mechanically gentler than many weight-bearing activities, and it's a reasonable later aerobic option. What it isn't is proven to produce better outcomes than every other well-designed recovery programme. Different programmes tend to land in similar places.

A practical way to progress, once your team has you in the endurance phase: start at a low resistance and a comfortable pace for five minutes, add about five more as it gets easier, and be able to hold 20 minutes comfortably before you think about increasing resistance. Change one thing at a time, whether that's range, duration, frequency or resistance, and see how you respond during the session and the next day.

Normal versus not normal. Some muscle tiredness or stiffness, or a mild, temporary increase in swelling, can be a normal response to doing something new. That's different from pain or swelling that keeps building instead of settling, a noticeable loss of movement after cycling, new locking or giving way, or feeling dizzy or faint. If any of that shows up, stop and get in touch with your physio or surgical team.

Get checked urgently for fever or chills, increasing redness, heat or drainage around the wound, pain that's increasing at rest, new calf pain or one-sided swelling, or sudden shortness of breath or chest pain.

After a hip replacement

Cycling after a hip replacement is better thought of as a later, low-impact endurance option than an early treatment tool. That's a genuine difference from the knee, where the bike does real work early on too.

The saddle carries part of your body weight and your foot stays on the pedal instead of striking the ground, which is why it's considered one of the gentler options after hip surgery. What matters most for you individually is your surgical approach, your weight-bearing instructions, whether you've been given formal hip precautions, how your wound is healing, and whether you can get on and off the bike safely.

That last point is worth being upfront about. VBike doesn't have recumbent or step-through bikes. For some people after hip replacement, that kind of setup solves the mounting and dismounting problem. A conventional studio bike doesn't, so getting on and off safely is its own separate consideration, worth talking through with your team and with us before you start.

The clinical picture here is genuinely more encouraging than for the knee, with one solid trial signal showing a real benefit from cycling after hip replacement specifically. At the same time, the wider evidence on exercise after hip replacement is honestly contested, with different reviews reaching different conclusions depending on what they're measuring and when. Cycling is clinically accepted and mechanically sensible. It isn't proven necessary or better than every other effective option.

On hip precautions: practices differ by surgeon and by surgical approach, and even the research on traditional precautions is more mixed than a lot of general advice admits. The safe message is simple: follow the restrictions your own surgeon has given you, not general advice you've found online, including this page.

Normal versus not normal. Watch for pain that's escalating rather than settling, ongoing hip pain at the top of the pedal stroke, trouble mounting or dismounting without twisting or losing balance, or walking that's worse after a session, and get in touch with your team.

Get checked urgently for sudden severe hip or groin pain, a feeling that the hip has shifted, being unable to bear weight, or your leg looking shortened, rotated or different in shape. These can be signs of a possible dislocation. Wound redness, warmth or drainage, fever, calf pain or one-sided swelling, and sudden shortness of breath or chest pain all need urgent attention too.

After a heart attack

Of the three, this is the one with the strongest evidence behind it, and it's important to be precise about what that evidence actually supports.

The proven treatment after a heart attack is comprehensive cardiac rehabilitation: a medically supervised programme covering assessment, aerobic exercise, strength work, activity counselling, risk-factor management, nutrition and psychological support. It's genuinely well evidenced, and current guidelines treat a referral to it as a priority, not an optional extra.

Stationary cycling is one accepted way to deliver the aerobic part of that programme. It isn't a treatment by itself. That distinction matters more than it might seem. It's accurate to say exercise-based cardiac rehabilitation lowers the risk of further heart problems. It's not accurate to say riding a stationary bike prevents another heart attack, and we won't say that here.

Cycling is used in cardiac rehab because it's controllable: resistance, cadence, duration and sometimes heart rate can all be tracked, so a team can set and progress a known workload. Being seated reduces the balance demands walking can carry, and you can stop quickly if you need to.

On intensity: a heart-rate number alone can be misleading here, especially if you're on medication such as beta blockers that changes how your heart rate responds to effort. The talk test is a more reliable everyday guide: at a reasonable effort, you can still speak in sentences. If speaking becomes difficult, that's your cue to ease off. We won't quote a formula like 220 minus your age, because it isn't reliable for everyone, particularly if medication is involved.

Cardiac rehabilitation is widely available in New Zealand, generally through Health New Zealand and commonly without direct charge, though it varies by area and by referral pathway. If you haven't been offered it, it's worth asking your hospital team, GP or cardiac nurse.

Normal versus not normal. Some breathlessness and effort during exercise is expected and appropriate. What isn't normal is chest tightness, pressure or discomfort, dizziness or feeling faint, new or ongoing palpitations, breathlessness that's out of proportion to the effort, unusual exhaustion that doesn't settle, or symptoms turning up at a lower workload than you'd expect. If any of that happens, stop and get medical advice.

If you have symptoms that could mean another heart attack, persistent chest pressure or pain, severe breathlessness, sweating, nausea or collapse, call 111 immediately.

What VBike actually offers this group

People recovering from surgery or a cardiac event don't do a standard FTP test at VBike. Jianni builds something around where you actually are instead. It's not a formal product with fixed stages. It's him working with you individually, which matters, because a standard test assumes more than you might currently be able to give it, and that's not the point here.

The studio is split across five separate rooms rather than one big open space, which matters if being watched by fitter riders is putting you off starting at all. If you'd rather come at a quieter time, say so, that's easy to arrange.

You don't need to bring your own bike. Adjusta bikes are available for anyone who'd rather not, or whose bike doesn't suit the studio trainers.

We're not medical professionals, and nothing here replaces your physiotherapist, surgeon or cardiac team. What we can offer is a controlled, adjustable, unintimidating place to do the work they've already told you is appropriate, at a pace that's set by you, not the room.

Frequently asked questions

Is stationary cycling safe after a knee replacement, hip replacement or heart attack? It's commonly recommended as part of recovery in all three situations, but appropriateness depends on your individual healing, symptoms and clearance from your own clinical team. Always check with them before starting or changing anything.

When can I start cycling after a knee replacement? There's no single date that applies to everyone. Broader guidance often distinguishes an early, unloaded motion-focused stage from a later endurance stage from around four to six weeks, but your own team's advice on your own recovery takes priority over any general timeframe.

Does a stationary bike replace physiotherapy or cardiac rehabilitation? No. It can be one part of a recovery plan your clinical team has approved, not a substitute for physiotherapy or a formal cardiac rehabilitation programme.

Do I need to do an FTP test if I'm coming to VBike during recovery? No. People recovering from surgery or a cardiac event get a programme built around where they currently are, rather than the standard FTP test.

Does VBike have recumbent or step-through bikes for people who find mounting difficult? No, VBike's studio bikes are conventional. If mounting and dismounting safely is a concern, particularly after hip replacement, that's worth discussing with your team and with us before you start.

What's a normal amount of discomfort, versus a warning sign? Some mild muscle tiredness or temporary stiffness after a new activity can be normal. Pain or swelling that keeps building instead of settling, dizziness, chest pressure, or breathlessness that doesn't match the effort are not, and are a reason to stop and seek advice. For possible heart attack symptoms, persistent chest pressure or pain, severe breathlessness, sweating, nausea or collapse, call 111 immediately.

Talk to your surgeon, physiotherapist or cardiac team first. When they've told you it's time to move again, we're here, and we can start as gently as you need.