Knee pain is often associated with ageing, sports injuries or conditions such as arthritis. But discomfort around the knees in your 20s or 30s is not necessarily unusual.
The stiffness and discomfort that are associated with people sitting at their desk for hours may come when they spend several hours in the same position. But sitting alone is not necessarily the cause for knee pain. Weak muscles, poor movement habits, sudden increase in exercise, previous injuries and excess body weight are also factors.
An orthopaedic expert recently mentioned long sitting, sudden workouts and muscle weakness as some of the everyday factors that can contribute to knee problems among younger adults.
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The good news is that several lifestyle changes can help people protect their joints and stay active.
How Desk Jobs can affect your knees.
A typical desk job can mean much of the day sitting at a computer. When the body is in the same place for long hours, the knees and muscles around it get very little movement.
I’m sure if I sit there for a long time, I’m going to be stiff. Not because it’s hard, but because I don’t get up, if I don’t keep sitting in the chair or get up.
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A sedentary routine may also mean the muscles supporting the knee are not regularly strengthened. The quadriceps, hamstrings, glutes and other muscles around the hips and legs all contribute to movement and stability.
This does not mean that sitting at a desk is going to destroy the knee. Knee pain has many causes and persistent symptoms should not be blamed on a sedentary job.
The Sudden Workout Problem
Young adults are also not far from that problem, being inactive throughout the week and then suddenly working out hard.
If someone who works Monday to Friday sitting at a desk might suddenly attempt a long run, intense gym session, extensive squats or a weekend sports match. The muscles and joints may not be prepared for the sudden increase in workload.
Sudden changes in exercise intensity may cause soreness and injury. As the body adapts to the exercise, the activity gradually increases and joints are less likely to get injured.
At the same time, exercise itself is critical for joint health. And the CDC recommends adults get at least 150 minutes of moderate-intensity physical activity each week and muscle-strengthening activity on at least two days. Physical activity can help people manage joint pain and improve physical function.
Weak Muscles Can Add To The Problem
Hips and legs have strong muscles around them that support everyday movement. If the hip muscles are weak, activities like climbing stairs, getting up from a chair, running or exercising can be more burdensome to the knee.
That is one reason strength training can be useful even for people who aren’t aspiring to become athletes.
Simple exercises like controlled squats, step-ups, bridges and leg-strengthening movements can be incorporated into a fitness routine, provided they are appropriate for the individual and do not worsen existing pain.
So people who already have significant knee pain should seek professional advice before starting a new exercise programme.
Body Weight And Knee Health
Body weight is another factor that can influence knee health because the knees are weight-bearing joints.
Obesity can increase the risk of osteoarthritis, particularly in weight-bearing joints such as the knees, according to the CDC. Maintaining a healthy weight is therefore part of a broader strategy for protecting joint health.
But knee pain in a younger person does not necessarily mean they have arthritis or that their weight is the cause. Many factors can contribute to symptoms.
Osteoarthritis is more common among adults aged 45 and older, although it can occur earlier, particularly when risk factors such as previous joint injuries, repetitive stress, obesity or family history are present.
How to Protect Your Knees at Work
If your job requires long hours at a desk, small changes to your daily routine can help reduce prolonged inactivity.
Get up often, don’t sit down for hours without getting up and walking around. Stand and walk around or change position regularly throughout the working day.
Check your sitting position: If the ergonomics of your chair are bad, you’re going to have a lot of pain when sitting for a long time, so check what position you are in.
Build strength gradually: Include lower-body and core strengthening exercises in your weekly routine instead of relying only on occasional intense workouts.
Avoid the weekend-only workout: If you’re inactive throughout the week, do not jump into an extremely demanding workout. Increase intensity gradually.
Keep moving: Walking, cycling, swimming and other low-impact activities can provide ways to stay active while placing relatively low stress on the joints.
Maintain a healthy weight: If weight is contributing to joint stress, gradual and sustainable weight management can help protect the knees.
When to See a Doctor?
Not every episode of knee discomfort requires medical attention. Mild soreness after a new workout may settle with rest and appropriate recovery.
However, persistent or worsening pain should not be ignored.
Medical advice is particularly important if knee pain is severe, continues for several weeks, or is accompanied by swelling. Difficulty putting weight on the leg, locking or buckling of the knee, significant loss of movement or recurring symptoms also warrant evaluation.
The underlying cause could range from muscle weakness or overuse to an injury or an inflammatory or degenerative joint condition. A healthcare professional can assess the symptoms and determine whether further examination or treatment is needed.
Your Desk Job Does Not Have To Mean Bad Knees
Knee pain in your 30s does not necessarily mean your joints are “wearing out.” A sedentary routine can contribute to stiffness and reduced physical conditioning, but it is only one possible factor.
The bigger concern is often the combination of prolonged sitting, insufficient movement, weak muscles and sudden bursts of intense activity.
Building regular movement into the working day, strengthening the muscles that support the knees and increasing exercise gradually can help create a more joint-friendly routine.
And if pain keeps coming back, becomes severe or interferes with normal activities, it is better to find out why rather than simply accepting it as part of having a desk job.
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