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Sensational Knee Strengthening Exercises

Poses and Muscle Activations for Stronger Knees
Knee strengthening exercises: Strengthen your knees by activating them while balancing on forefeet, while doing a standing twist, while doing a standing forward bend with heels lifted, and while doing revolving triangle pose. Neil Keleher, sensational yoga poses.

One way to strengthen the knees is to practice activating them in a variety of different positions.

If you have knee pain, particularly while squatting, you can read up on how to prevent knee pain in IT Band Knee Pain.

One of the most basic ways to protect the knees while standing is to stabilize the feet and shins. Read more about the anatomy behind this in Knee joint Stability.

Knee Strengthening Exercises TOC

Knee anatomy basics

Knee strengthening exercise, stand upright with heels lifted, make your knees active (engage quadriceps and hamstrings).

Standing heel raise

Knee strengthening exercises: standing forward bend with heels lifted.

Front bending heel raise

Knee strengthening exercises: forward bend with forefeet lifted.

Front bending forefoot raise

Knee strengthening exericse: chair pose with thighs horizontaol. Neil Keleher, sensational yoga poses.

Chair pose

knee strengthening exercises: deep squat with feet parallel and close together. Neil Keleher, sensational yoga poses.

Deep squat

Knee strengthening exercises: deep squat with weight on one leg other foot lifted.

Squat and shift to one foot

Knee strengthening exericses: half moon pose with knees active and hand lifted.

Half moon

Knee strengthening exericse: standing forward bend with one foot lifted, knees engaged and both hands lifted.

Front bend on one foot

Knee strengthening exercises: standing side bend with knee engaged.

Standing side bend

Knee strengthening exercises: standing twist with knees engaged.

Standing twist

Knee strengthening exercises: front triangle with active knees, Neil Keleher.

Front triangle /pyramid pose

Knee strengthening exercises: twisting triangle with knees engaged. Neil Keleher, sensational yoga poses.

Triangle twist

One of the main muscles that works directly on the knees is the quadriceps.

Opposing the muscles at the back of the knee joint is the hamstrings.

Another set of muscles that works on the knees are the calf muscles, particularly the gastrocnemius (though the soleus can affect the knee indirectly by helping to anchor the fibula).

When you activate your knees, making them feel strong or "active", you are generally activating some combination of these muscles.

If you are activating your knee while keeping it in the same position, i.e. not bending or straightening it, then you are more than likely using your quadriceps against your hamstrings or against your calf muscles (or some combination of both).

As part of your knee strengthening regime, try activating your calves in standing poses to see if calf activation makes your knees feel stronger or less subject to pain or both. Activate your calves to create a downward pull on your fibula (the smaller of the two lower leg bones), and to create even tension in the two hamstring tendons at the back of the knees.

Other muscles that work on the knee include the IT band muscles (tensor fascia latae and the superficial fibers of the gluteus maximus) and the pes anserinus muscles (sartorius, gracilis and semitendinosus.)

These latter muscles can work to stabilize the shin against rotation. For these muscles to activate effectively you'll need either to stabilize your hip bone or make your foot, ankle and lower leg bones rotationally stable.

A simple knee strengthening exercise that I sometimes use as a warm up in my yoga classes is to lift the heels while standing and then focus on making the knees feel strong. You could also think of this as "squeezing" the knees.

Knee strengthening exercise, stand upright with heels lifted, make your knees active (engage quadriceps and hamstrings).

Try to make them feel strong at both the back and the front. Do this with the knees straight.

This same activation can be done while doing a standing forward bend.

Knee strengthening exercises: Standing forward bend with knees engaged
Standing knee exercises: standing forward bend with hands free, the chair is there to rest the hands on should it be needed.

With feet flat on the floor straighten your knees and make them feel strong at the front and the back. You can place your hands on the floor (or if you can't reach the floor, on chair or yoga blocks) or you can let your arms hand or reach them up behind you.

For a slightly different feel, try it with the heels lifted. Have your hands on the floor for balance or try pressing evenly through toes and forefeet for balancing without using your hands.

Knee strengthening exercises: standing forward bend with heels lifted.
Knee strengthening exercises: forward bend with forefeet lifted.

Another knee strengthening exercise while bending forwards is to lift the fronts of your feet so that you are on your heels. Here again make your knees straight (or straighter) after lifting your forefeet, and then make your knees feel strong.

The Difference Between Active and Straight

Straightening the knees and then making them feel “strong” or “active” can be two different and distinct steps. Straightening the knees doesn’t necessarily make them feel strong. Likewise, you don’t have to have the knees straight in order to activate them or make them feel strong.

The Calf Muscle that Affects the Knee

Lifting the fronts of the feet while in a forward bend can be used as a calf stretch but it can also be helpful for strengthening the knee since one of the calf muscles, the gastrocnemius, crosses the back of the knee.

Lifting the front of the foot adds tension to this muscle by lengthening it and that can add tension to the back of the knee.

Likewise, lifting the heels adds tension to the back of the knee but it does so by causing the calf muscle to activate.

Chair pose can also be used as a knee strengthening exercise. You can work towards doing it with your thighs level.

Knee strengthening exercise: chair pose with thighs at 45 degrees above the horizontal. Neil Keleher.
Knee strengthening exericse: chair pose with thighs horizontaol. Neil Keleher, sensational yoga poses.

Start with your thighs at about 45 degrees. Your knees will automatically feel strong or active in this position but experiment with making them feel stronger.

Alternatively, work at making the fronts of your knees feel strong. Then work at making the back of your knees feel strong (or in the case of this yoga pose, stronger.)

Again, because the calf affects the back of the knee you can also try squeezing the calf while doing chair pose.
I’d suggest do it at the same time as you are activating your hamstrings.

Squatting (The Deep Squat) and Kneeling

Two poses that are related because in them the back of the knee is closed is the deep squat and kneeling.
Both can be used as knee strengthening exercises.

Knee strengthening exericses: while kneeling alternately activate and relax your knees.
Knee strengthening exercises: deep squat, activate your knees and then relax them. Neil Keleher, sensational yoga poses.

If you have trouble with kneeling or squatting I’d suggest working on kneeling first since it’s easier to control how much pressure you put on your knees. In either pose practice activating your knees and relaxing them.

This page, yoga ankle stretches, gives some tips on how to work towards kneeling comfortably.

You may find these kneeling quadriceps stretches also helpful.

The video below also includes a helpful tip for strengthening the knee while doing an exercise called Seated get up. At about the 5 minute mark is a muscle activation that I've found very helpful in making my knee stable, even in a pose like a one legged squat (which is basically what the seated get up is.)

Once you can kneel comfortably, work towards a deep squat. If you have trouble do it near a wall or door or pole so that you can hold on or use the support to help balance.

knee strengthening exercises: deep squat with feet wide and turned out.
knee strengthening exercises: deep squat with feet parallel and close together. Neil Keleher, sensational yoga poses.

To make it easier to work towards squat, first find a foot position and pelvis position which allows your hips and knees and feet to be comfortable. Once you find that foot position (wider, closer together, turned out to varying degrees or parallel) practice activating and relaxing your knees. Also try activating the front of your knees and then your back (individually.)

As you practice the deep squat, work at expanding your foot position possibilities. You may have to explore hip muscle activation at the same time. But in either case work towards the ability to squat with feet closer and perhaps even with feet parallel.

Other variations of the deep squat include shifting your weight to one foot.

Here again you can practice strengthening the knee by focusing on the leg that is bearing your weight.

Knee strengthening exercises: deep squat with weight shifted to one foot.
Knee strengthening exercises: deep squat with weight on one leg other foot lifted.

I’d suggest shift weight first. Do it slowly and gradually so that you can stop if you feel any discomfort or pain.

With weight on your target foot, then squeeze the knee. Try activating the front of the knee, then try activating the back. You can also try activating both together. Relax and then return to center or repeat a few times and then work on the other leg.

Balancing On One Leg to Strengthen the Knees

Standing on one leg balance poses can also be used as knee strengthening exercises.

Knee strengthening exercises: half moon pose with knees both active. Neil Keleher, sensational yoga poses.
Knee strengthening exericses: half moon pose with knees active and hand lifted.

Half moon is one of my favorites. With your hand on the floor try to make the knee feel strong. Then shift your weight to your foot, make your foot feel strong and lift your hand.

Another balancing on one leg pose for knee strengthening is the single leg forward bend.

Start with both feet and your hands on the floor. Shift your hips to the right so that your weight is over your right foot and lift your left foot.

Knee strengthening exercises: standing forward bend with one foot lifted, both knees engaged, Neil Keleher, sensational yoga poses.
Knee strengthening exericse: standing forward bend with one foot lifted, knees engaged and both hands lifted.

Rather than reaching it back keep it hanging down. Shift your weight back. Press your forefoot into the floor, make the knee feel strong (the standing leg knee) and then lift your hands.

Another knee strengthening exercise that exercises the knees in a slightly different configuration is standing side bend.

Knee strengthening exercises: standing side bend with knee engaged.

With feet hip width push your hips to the left and bend your spine to the right. Optionally reach your hands past your ears to the right (or up and to the right.)

Shift your body so that weight is even on both feet. Then squeeze your knees. Because the hips are pushed to the side and the legs are angled, you may find it helpful to activate one knee at a time, the inside knee, then the outside knee.

Practice the knees individually, then practice activating them together.

Standing Twist

Another yoga pose that you can use as a standing knee strengthening exercise is Standing spinal twist (above right.)

Knee strengthening exercises: standing twist with knees engaged.

With feet hip width and parallel turn your pelvis to the right, then turn your ribcage relative to your pelvis. Hold this position and and practice activating (and then relaxing) your knees. Here again you can try one leg at a time initially. Then try both knees simultaneously.

Two more of my favorite yoga poses that can be used as the framework for knee strengthening exercises are front triangle and triangle twist.

Knee strengthening exercises: front triangle with active knees, Neil Keleher.
Knee strengthening exercises: twisting triangle with knees engaged. Neil Keleher, sensational yoga poses.

Both use the same foot position, one foot forwards the other back, with the back foot turned slightly out.

With hips square to the front foot bent forwards. Activate the front knee. Make it feel strong. For balance make your front foot feel strong. Then if you like lift your hands.

For triangle twist keep the foot position from front triangle.

With your right foot forwards place your left hand on the floor, lift your right hand and twist to the right. For this one you can keep your hips level, or push the hips back, or push them forwards. Activate and then release your front knee or if you like both knees. Do it with your breath. This can apply to all the exercises. Inhale as you engage the knee (or knees) and exhale as you relax the knees.

More knee strengthening exercises

For more on knee strengthening, check out these pages:

Strengthen your knees intelligently by learning to feel and control the muscles that work on them

To learn more about knee control, in particular by learning to feel and control the muscles that act on them, check out the following courses.

"Lessons in Muscle Control for Your Hip Flexors" focuses on the superficial hip flexors, the hip flexors that attach to your ASIC and that attach to the lower leg bones. It teaches you how to activate and relax these muscles and also how to anchor them for better control in a variety of positions.

The superficial hip flexors include the sartorius and the tensor fascia latae. These muscles both help to control knee rotation. Another superficial hip flexor is the rectus femoris.

Find out more about Lessons in Muscle Control for Your Hip Flexors

"Lessons in Muscle Control for Your Hamstrings" focuses on the hamstrings and glutes. It teaches you how to activate and relax these muscles and also how to anchor them for better control in a variety of positions. As with the superficial hip flexors, some of the hamstrings help to control knee rotation.

Find out more about Lessons in Muscle Control for Your Hamstrings

"Lessons in Muscle Control for Your Thigh muscles" focuses on the muscles at the front, back, outside and inside of the thighs. You'll learn how to activate the vastus muscles as well as the adductors. Control of these muscles may make it easier in some positions to control the hip flexors and the hamstrings.

Find out more about Lessons in Muscle Control for Your Thigh muscles

Published: 2017 02 17
Updated: 2021 02 10
Clearly defined poses, exercises and stretches for improving stability, body awareness and flexibility.
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(Knee And Quad Stretch And Strengthen)

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