Our Number ONE Exercise After Knee Replacement? Try This Simple “TV Stretch”
- Joel J. Digris, MSPT, Owner Achieva Rehabilitation
- 2 days ago
- 3 min read
Many people after a total knee replacement reach a frustrating point where:
Getting up from a chair still feels difficult
Getting in and out of a car is uncomfortable
Stairs don’t feel strong or natural
Getting down to the floor—or back up—feels nearly impossible
The common thread?
👉 Not enough knee bend (flexion).
Why Knee Bend Matters More Than You Think
Improving how far your knee bends isn’t just about numbers—it directly impacts your independence.
Even small gains can make a big difference.
Think about it:
Sitting and standing requires significant knee bend
Stairs demand both bend and strength
Low surfaces (cars, couches) challenge your mobility even more
Activities like gardening or playing with grandchildren require the highest levels of knee flexion
A useful way to think about it:
Every few degrees of improved motion opens the door to more real-life activities.
The Problem With Traditional Stretching
A lot of people are taught to “push through it” and force their knee to bend.
But aggressive, high-pain stretching:
Causes muscle guarding
Increases discomfort
Often limits long-term progress
There’s a better, more effective approach.
The Science-Backed Approach: Low Intensity, Long Duration
Research supports a different strategy:
👉 Gentle stretch + longer hold time = better results
Instead of forcing the knee, the goal is to:
Keep the muscles relaxed
Apply a steady, tolerable stretch
Allow the joint tissues (including scar tissue) to gradually adapt
This is where the “TV Stretch” comes in.
The “TV Stretch” for Knee Flexion
This is one of the simplest—and most effective—ways to improve knee bending after a replacement.
How to Do It:
Sit in a comfortable chair
Bend your knee back until you feel a gentle stretch
Aim for about a 3–5 out of 10 discomfort level
It should not be sharp or unbearable
You need to be able to RELAX your muscles completely.
Hold that position for 8–10 minutes
Yes—minutes, not seconds.
When you take a break (like a commercial),
Straighten and bend the knee gently for about 1–2 minutes
Then return to the stretch again
Why It Works
This method:
Keeps muscles relaxed (no guarding)
Targets the actual tissues that need to lengthen
Applies consistent pressure long enough for change to occur
It’s not about intensity—it’s about time under gentle tension.
Don’t Feel a Stretch After A Week or Two ? Try This Variation
If sitting doesn’t create enough stretch:
Lie on your back
Bend your knee to the same gentle stretch level (3–5/10)
Hold for 8–10 minutes, then relax and repeat
The key is always the same:
👉 Gentle, sustained stretch with relaxed muscles
When Should You Start?
The earlier, the better. As soon as you begin with Achieva Rehab is ideal.
Ideally, this approach begins early in rehab
But it can still help even months after surgery
Just keep in mind:
👉 The further out you are, the harder it becomes to gain motion
👉 Early stages offer the greatest opportunity for improvement
What to Expect
It’s normal to experience:
Mild soreness during or after
Temporary fluctuations in how the knee feels
After a knee replacement, these ups and downs can last for months.
That doesn’t mean you’re doing harm.
The Bigger Picture
If your knee still feels tight, it doesn’t mean you’re stuck.
It often means:
You need a different approach
One that focuses on consistency over intensity
The goal isn’t to force motion.
It’s to earn it gradually—in a way your body accepts.
Final Thought
If you’re still limited by stiffness after a knee replacement, don’t ignore it.
Because improving your ability to bend your knee isn’t just about movement…
It’s about getting back to:
Your independence
Your confidence
The activities that make life feel normal again
The reason Achieva Rehabilitation is Simply A Better Way for Knee Replacement Rehab is that we pay attention to you 100% of the time. Machines are honestly nowhere near as beneficial...not even close. Achieva Rehab is like a speedboat for knee rehab while other options are like dingys.
Thanks to "The Movement Approach" for this great video!
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