How to Train Your VMO (Vastus Medialis) | Knee Exercises

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My name is Eric Sampson, and I'd like to spend a few minutes talking about how to properly

train your VMO.

The VMO is short for your vastus medialis oblique.

It's the inner portion of your quadriceps muscle, which is basically the front of your

The VMO is very important to train and train properly in the presence of any degeneration

Classically, the knee will degenerate on the medial side of your knee due to some skeletal

alignment issues or just the normal wear and tear process.

So working on your VMO a little extra, rather than just doing the quadriceps alone, is going

to be important to try to prevent the knee injuries as well as recovering from the injuries.

So two exercises that are wonderful for the VMO, they're real simple to do at home as

well as in a gym setting, is going to be a straight leg raise where you're concentrating

a little bit more on your VMO.

So the best thing to do is to first straighten out your leg, and the trick is to try to turn

your foot out laterally.

I often tell my patients to point their toes at about 11 o'clock or 10 o'clock if you pretending

there's a clock in front of you.

From there, you're trying to tighten up your thigh and then basically lift up your leg.

But by having that hip angled, you're going to be working your inner quad portion of your

VMO a little bit more.

So you can lower that back down.

So you tighten up and then you lift, and then you would lower back down.

The other exercise that's real simple to do is call the bridge, something that we do a

But if you take a medicine ball or really anything with a little bit of weight and you

put it between the knees and you squeeze while you're doing the bridge lift, you're actually

going to contract your inner thigh and your VMO muscles a little more than you ordinarily

would do on a regular bridge.

So bridges and your straight leg raises, if you're doing this on a regular basis, I recommend

maybe two sets of ten on alternating days, three sets of ten as you get a little stronger,

and then you can kind of progress with the leg raises to a weight, or you can continue

doing this and holding your bridge up a little bit longer as a progression.