Training Mistakes People Make After 40, and Better Alternatives
The most common training mistakes after 40 are not about being too old to lift. They are about training the way you did at 25, or swinging the other way and training far too gently. The big ones: doing only cardio, skipping the warm-up, lifting with ego rather than technique, training hard seven days with no plan for recovery, avoiding the floor and anything fast, and stopping completely at the first niggle. Each has a straightforward alternative. Strength training twice a week, a proper ten-minute warm-up, honest loads, planned easy weeks and a little power and balance work cover most of it.
This is not a list of rules for “older” people. Plenty of clients in their forties are stronger than they were at thirty. It is a list of the patterns that most often get in the way.
Mistake 1: cardio only
Running, cycling and spin classes are excellent for the heart and lungs. On their own, they do little to hold on to muscle and bone, both of which tend to decline gradually from middle age unless you give them a reason not to. The UK Chief Medical Officers’ guidance recommends muscle-strengthening activity on at least two days a week for all adults, alongside aerobic activity, and that advice becomes more relevant, not less, with age. See the UK physical activity guidelines for the full recommendations.
Better: keep the cardio you enjoy and add two strength sessions built around a squat or leg press pattern, a hinge, a push, a pull and a carry. Our piece on muscle loss with age explains why this matters.
Mistake 2: walking in and lifting cold
At 25 you could go straight to your working weight and get away with it. Tendons and joints are less forgiving now, and the first heavy set is where many strains happen.
Better: ten minutes, structured. Five minutes of easy cardio to get warm (the air bike works well), then a few mobility drills for the hips and upper back, then two or three ramping sets of the first exercise: an empty bar or light dumbbells, then about half your working weight, then about three quarters.
Mistake 3: chasing the numbers you used to lift
The old bench press figure from university is a dangerous benchmark. Returning lifters often load what they “should” be able to manage and pay for it with a shoulder or a lower back.
Better: start well below what feels like your level, earn clean reps, and add load in small jumps. Leave one to three reps in the tank on most sets. If you return after a long break, the good news is that muscle memory means strength often comes back faster than it took to build first time.
Mistake 4: no plan for recovery
Many people over 40 are training around demanding jobs, children and broken sleep. Stacking hard sessions on top of that with no easy days is how people get run down, stall and start picking up small injuries.
Better: two or three strength sessions a week with at least a day between sessions that hit the same muscles. Every six to eight weeks, a lighter week with fewer sets and less load. Walking on the days in between. When work goes through a heavy patch, drop to two sessions rather than none.
Mistake 5: avoiding anything fast
Power, the ability to produce force quickly, tends to fall away faster than plain strength with age. It is what stops a trip becoming a fall and what lets you sprint for a bus. Most people over 40 never train it.
Better: small doses of speed. Lift the weight up briskly while still lowering it under control. Short, hard efforts on the air bike. Low box step-ups done quickly. Our article on power training over 40 covers sensible starting points.
Mistake 6: machines only, or barbells only
Some people avoid free weights entirely because they feel unsure of them. Others insist on heavy barbell work even when it irritates an old injury. Both narrow the options.
Better: use whatever lets you train the pattern hard without pain. A cable row may suit your back better than a bent-over barbell row. A goblet squat may suit your knees better than a back squat, for now. Revisit the harder version later.
Mistake 7: ignoring balance and the floor
Getting down to the floor and back up, standing on one leg, stepping over things: these skills fade quietly when they are never practised.
Better: include single-leg work every session (split squats, step-ups, single-leg Romanian deadlifts) and finish some sessions with a few floor-to-standing transitions. It takes five minutes.
Mistake 8: stopping completely at the first niggle
A sore shoulder is a reason to change the session, not to stop for three months. Total rest often leaves the area weaker and more irritable when you return.
Better: train around it. Find movements that do not hurt, reduce the load or range on the ones that do, and keep the rest of the body strong. If pain is sharp, getting worse, or comes with swelling, numbness or pain at night, stop and see your GP or a physiotherapist.
A sample week that avoids all of the above
| Day | Session |
|---|---|
| Monday | Strength A: squat pattern, push, pull, carry. 10-minute warm-up first. |
| Tuesday | 30 to 45 minutes of walking or easy cycling |
| Wednesday | Rest or mobility |
| Thursday | Strength B: hinge, single-leg work, push, pull, short air bike efforts |
| Saturday | Your preferred cardio: a run, a ride, a long walk on the Heath |
Two strength sessions of 45 to 60 minutes, done well, are enough for most people to get noticeably stronger.
Check with your GP first if…
You have a heart condition, high blood pressure that is not under control, joint replacements, a recent injury or operation, are pregnant, or have not exercised for a long time. Most people will be told to go ahead, but it is worth asking.
Where coaching helps most
The mistakes above are easy to see from the outside and hard to see in yourself. A good coach catches the cold first set, the borrowed number from 2009 and the sore shoulder you have not mentioned. Our private personal training in Highgate is built for exactly this: a basement studio booked to you alone, with Artem planning the warm-up, the loads and the easy weeks so you do not have to.
Questions we get asked
Is it too late to start lifting weights at 45?
No. People start in their 50s, 60s and beyond and get stronger. The principles are the same; the starting point is just more conservative.
Should I lift lighter weights after 40?
Not necessarily lighter, but with more care in how you build up. Moderate to heavy loads are fine once your technique is solid.
How often should I train over 40?
Two or three strength sessions a week plus regular walking or cardio suits most people. Session options and prices are on the personal training page.
Book with The Highgate House
Ready to start training properly? Email us at [email protected] with the service and the day that suits you, and we will come back to you with times.
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