The workout: warm up for 3 minutes, then do three rounds of six no-jump moves (marching high knees, step jacks, standing cross-body knee drives, squat to calf raise, side step with arm reach, and boxing punches) for 40 seconds each with 20 seconds rest, and cool down for 3 minutes. That is about 20 minutes of heart-rate-raising exercise that is quiet enough for an apartment and gentle on the joints.
What “low-impact” means
Low-impact exercise keeps at least one foot on the ground at all times, so there is no jumping or landing. That reduces the force going through your ankles, knees and hips while still getting your heart rate up. Walking, cycling, rowing, swimming and the routine below are all low-impact.
Warm-up (3 minutes)
- Easy march in place: 1 minute
- Arm circles and shoulder rolls: 30 seconds
- Step-touch side to side: 1 minute
- Gentle bodyweight half-squats: 30 seconds
The circuit (3 rounds)
| Move | How to do it |
|---|---|
| Marching high knees | March briskly, lifting knees towards hip height and pumping your arms |
| Step jacks | Step one foot out to the side as both arms rise overhead, step back in, then switch sides |
| Standing cross-body knee drives | Bring your right knee up towards your left elbow, then switch, twisting gently through the trunk |
| Squat to calf raise | Do a bodyweight squat; as you stand, rise onto your toes |
| Side step with arm reach | Two big steps right, two big steps left, reaching the arms overhead each step |
| Boxing punches | Soft knees, stay light on your feet, and throw fast alternating punches |
Rest 1 minute between rounds. Newer exercisers can do one or two rounds and build up.
How hard should it feel?
Use the talk test. During each 40-second interval you should be breathing harder and able to speak in short sentences, but not sing. On a 1 to 10 effort scale, aim for about 5 to 6 in week one and 6 to 7 once you are comfortable. If you cannot speak at all, slow down.
Cool-down (3 minutes)
March slowly for a minute to let your breathing settle, then stretch your calves, quads, hamstrings and chest for about 30 seconds each. The cool-down guide explains why this helps.
A simple 4-week progression
| Week | Rounds | Work / rest | Sessions |
|---|---|---|---|
| 1 | 2 | 30 s / 30 s | 3 |
| 2 | 3 | 30 s / 30 s | 3 |
| 3 | 3 | 40 s / 20 s | 3 |
| 4 | 3 to 4 | 45 s / 15 s | 3 to 4 |
On other days, walking is the easiest low-impact cardio to add. Try the 4-week beginner walking plan or an incline treadmill walk if you have a treadmill. A stationary bike workout is another good joint-friendly option.
FAQ
Is low-impact cardio enough to improve fitness?
Yes. What improves aerobic fitness is how hard and how long your heart and lungs work, not whether you jump. Low-impact sessions at a moderate effort count towards the general guideline of about 150 minutes of moderate activity a week.
Is this suitable for older adults?
Often, yes, at a lower effort. Hold a chair during the squat to calf raise if balance is a concern.
This is general fitness information, not medical advice. If you have a health condition, an injury, are pregnant, or have been inactive for a long time, check with a doctor or physiotherapist before starting a new exercise routine.