The Happy Knee Circuit: 4 Simple Exercises for Knee Pain
Knee pain can make simple things like walking, stairs, running, squatting, or getting up from a chair feel much harder than they should.
When knee pain shows up, the answer is not always to stop everything. There are definitely times when activity needs to be modified, but in many cases I want to find movements the knee can tolerate and start building from there.
The Happy Knee Circuit is one of the simple routines I use as a starting point. It gives us four easy exercises to begin loading the muscles around the thigh and lower leg without making the program overly complicated.
How I Use the Happy Knee Circuit
The setup is simple: perform the circuit 1x daily for 3 sets of 10 repetitions of each exercise.
For the Adductor Ball Squeeze and Prone Hamstring Curl With Swiss Ball, each repetition is a 2-second squeeze. For the calf raise and anterior tibialis raise, use slow, controlled repetitions through a comfortable range.
The goal is not to rush through it. I would rather see 10 good repetitions than 10 repetitions where you are just trying to get them done.
Why These Four Exercises?
You may notice that the Happy Knee Circuit does not start with squats, lunges, or step-downs. That is intentional.
For someone with an irritated knee or someone who is just starting rehab, I sometimes want an easier entry point. This circuit lets us work the adductors, hamstrings, calves, and tibialis anterior without immediately asking the knee to handle a lot of loaded knee bending.
It is not meant to be everything someone needs for knee pain. It is simply a place to start.
The Happy Knee Circuit: four simple exercises performed 1x daily for 3 sets of 10 repetitions each.
The 4 Happy Knee Circuit Exercises
Start on your back with your knees bent and your feet flat on the floor. Place a small ball or another comfortable object between your knees.
Squeeze the ball between your knees, hold the squeeze for 2 seconds, and then fully relax before starting the next repetition.
The adductors are the muscles along the inside of the thigh. This is a simple way to start working that muscle group without making the exercise overly demanding.
Key cue: Keep the squeeze even between both legs and continue breathing normally.
A small ball works well, but you can also use a pillow, yoga block, rolled towel, or another object that is comfortable to squeeze.
View the Adductor Ball Squeeze in the EPI Exercise Library →
Lie on your stomach, bend your knees, and position the Swiss ball against the back of your thighs.
Curl your heels toward your glutes so that you squeeze the Swiss ball into the hamstrings. Hold the squeeze for 2 seconds, then relax before starting the next repetition.
This gives us a simple way to work the hamstrings through knee flexion without needing heavy resistance.
Key cue: Think about squeezing the ball rather than trying to move quickly. Keep the effort smooth and controlled.
View the Prone Hamstring Curl With Swiss Ball in the EPI Exercise Library →
Stand tall with your feet approximately hip-width apart. Use a wall or another stable surface for balance if needed.
Rise up onto the balls of both feet, then slowly lower yourself back toward the floor.
The calf complex plays an important role in walking, running, jumping, and managing force through the lower leg.
Key cue: Rise and lower smoothly. Avoid bouncing through the repetition.
View the Double Leg Calf Raise in the EPI Exercise Library →
Stand with your back supported against a wall and walk your feet slightly forward.
Keep your heels on the floor while lifting your toes toward your shins, then lower them back toward the floor under control.
This exercise targets the tibialis anterior along the front of the lower leg and gives us another easy way to build lower-leg strength.
Key cue: Keep the heels down and lift the toes as high as you comfortably can.
View the Anterior Tibialis Raise in the EPI Exercise Library →
Programming Notes
- Frequency: 1x daily
- Sets: 3 sets of each exercise
- Repetitions: 10 repetitions per set
- Adductor Ball Squeeze: 2-second squeeze each repetition
- Prone Hamstring Curl With Swiss Ball: 2-second squeeze each repetition
- Calf Raise & Tibialis Raise: slow, controlled repetitions
Should These Exercises Hurt?
I do not think every repetition has to feel absolutely perfect, but I also do not want someone forcing through an exercise just because it is on the list.
A little discomfort can be okay if it stays mild, does not keep building as you go, and settles down afterward.
If the pain is sharp, keeps getting worse as you continue, or the knee clearly feels worse after the circuit, that is a sign to back off. Reduce the range or effort, modify the exercise, or use a different movement.
What This Circuit Is
A simple starting routine that gives us a few easy ways to begin strengthening when the knee is not ready for a more involved program.
What This Circuit Is Not
The complete answer for every knee problem. Once we know more about what someone is dealing with and what they need to get back to, the exercises should become harder or more specific to that condition and goal.
How Do You Know When to Progress?
If you can get through all three sets with good control and the circuit is starting to feel easy, I usually do not just keep adding more and more repetitions.
At that point, I would typically move into harder exercises or exercises that are more specific to the condition the person is dealing with.
For one person that may mean more direct quadriceps work. For another it may mean more single-leg strength, running-specific exercises, jumping, or something else that better matches what they are trying to get back to.
The Happy Knee Circuit is meant to give us somewhere to start, not somewhere to stay forever.
When Should Knee Pain Be Evaluated?
A simple exercise circuit is not the right answer for every knee problem.
Consider getting the knee evaluated if you have had significant trauma, have difficulty bearing weight, develop rapid or substantial swelling, experience repeated locking or giving way, have worsening pain despite modifying activity, or have symptoms that simply are not improving.
For more persistent problems, an evaluation can also help determine what is actually limiting you and what type of exercise progression makes the most sense.
Important: These exercises are general educational examples and are not medical advice. Use movements you can tolerate and get the knee evaluated if you are unsure what is appropriate for your situation.
The Bottom Line
When your knee hurts, doing nothing forever is rarely the long-term goal.
The Happy Knee Circuit gives you four simple exercises that can be used as a starting point to build strength through the inner thigh, hamstrings, calf, and shin without making the routine overly complicated.
Perform the Happy Knee Circuit 1x daily for 3 sets of 10 repetitions. Use a 2-second squeeze for the Adductor Ball Squeeze and Prone Hamstring Curl With Swiss Ball, and keep the calf raise and anterior tibialis raise slow and controlled.
Once the circuit becomes easy, the next step is usually harder exercise or exercise that is more specific to what you are actually trying to improve.
Frequently Asked Questions About the Happy Knee Circuit
How often should I do the Happy Knee Circuit?
I typically program the circuit 1x daily for 3 sets of 10 repetitions of each exercise, assuming the exercises are well tolerated.
How long should I squeeze the ball?
For both the Adductor Ball Squeeze and the Prone Hamstring Curl With Swiss Ball, use a 2-second squeeze for each repetition.
Should these knee exercises hurt?
A little discomfort can be okay if it stays mild and settles down afterward. Sharp pain, pain that keeps increasing, or a knee that clearly feels worse after the exercises is a reason to back off or change the movement.
Is the Happy Knee Circuit enough to fix knee pain?
Not necessarily. I use it as a simple starting point. The next steps should become harder or more specific to the actual knee problem and the activity you are trying to get back to.
What can I use instead of a ball for the Adductor Ball Squeeze?
A pillow, yoga block, rolled towel, or another object that can be comfortably squeezed between the knees can work.
What should I do when 3 sets of 10 becomes easy?
Rather than continuing to add repetitions, that is usually a good time to move into a harder exercise or one that is more specific to your condition and goals.
More Knee & Lower-Extremity Resources
Knee Pain
Learn more about how we evaluate and treat knee pain at Elite Performance Institute.
EPI Exercise Library
Browse our free rehabilitation, mobility, strength, and performance exercises.
Hamstring Exercises
Explore additional hamstring strengthening exercises and progressions.
Calf Exercises
Explore additional calf and lower-leg strengthening options.
Still Dealing With Knee Pain?
If knee pain keeps limiting walking, running, lifting, sports, or everyday activity, an individualized evaluation can help determine what needs to be modified and what should be strengthened next.
This article is for general educational purposes and is not medical advice. Exercise selection should be individualized when pain, injury, medical conditions, or other specific concerns are present.