The flexor digiti minimi brevis is a muscle the exists in both the hand and also the foot. Back this muscle largely helps you bending your tiny finger towards your palm or your small toe towards the single of her foot, it have the right to be the culprit for pain in several areas including the basic of your little finger, your wrist, the basic of your small toe, or the outside edge of her foot. Here’s more about these similar muscles.

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Thanks come the university of Washington Radiology because that this image.

The origin of the flexor digiti minimi brevis muscle in the hand is at a spot called the hamulus. The hamulus is the hook part of the hamate bone, which is a wrist bone that is shaped prefer a hook.

The suggest of insertion because that the flexor digiti minimi brevis muscle in the hand is at the exterior of the base of the proximal phalanx of the little finger. Together you might recall, the proximal phalanx is the bone in your small finger that is closer to her palm. So, once you feeling the exterior edge the your tiny finger, the insertion suggest of this muscle is just over the bottom knuckle.

The beginning for the flexor digiti minimi brevis muscle in the foot is at the base of the fifth metatarsal bone. This is a bone that is situated near the external edge, somewhat toward the ago of her foot. Comparable to the hand, the insertion suggest for this muscle in the foot is ~ above the exterior of the reduced bone that the little toe.

It’s exciting to me that, when you look in ~ both muscles, the beginning for the one in the hand is ~ above a bone in the wrist, i beg your pardon is a joint. In mine opinion, even thought that muscle doesn’t cross the joint, it could still affect its strength and stability due to the fact that of its relationship to the hamate bone in the wrist.


Thanks come because that the image.

However, in the foot, the suggest of origin is just further up in the foot, closer to the heel. Just the joint at the base of the tiny toe need to be impacted by this muscle.


The flexor digiti minimi brevis muscle in the hand flexes your tiny finger. This method that this muscle bends your small finger towards your palm at the joint wherein the finger meets the palm.

In the foot, the flexor digiti minimi brevis muscle does the very same thing. The bends the little toe toward the sole of the foot in ~ the bottom joint whereby the toe connects come the foot.

Common Dysfunction

Althought the flexor digiti minimi brevis muscles of the hand and also foot are reasonably small, they deserve to still cause pain and dysfunction. This muscle might be dysfunctional in her hand if you have pain in the base of your little finger or wrist. Whether you suffer pain while bending the finger, straightening it, or also keeping it still; this muscle could be the cause.

In the foot, a dysfunctional flexor digiti minimi brevis muscle could reason pain at the base of the little toe and along the outside edge the the foot. Although i haven’t experienced this personally, I’ve had clients with this pain. Prior to I learned about this muscle, I believed it could be a peroneal issue. Now, I’ll be certain to take it a look in ~ this muscle, too.

Restoring or maintaining Health

If friend think you have injured or torn your flexor digiti minimi brevis muscle in either your hand or foot, call your doctor. The or she deserve to order the suitable imaging, therapy, and medicine to aid you cure completely.

However, if you’re just wanting to save these muscle healthy and also strong, I have actually some ideas. Any kind of time you want to strengthen a muscle, you have to perform the action. This way that you must practice bending your little finger towards your palm and your little toe towards the sole of your foot. Usage your fingers to assist if you require to. (For example, my small finger moves conveniently without aid from any other fingers, yet my tiny toe can’t move without my assistance.)

To stretch these muscles, do the opposite of your action. This way that you must practice extending the basic of your tiny finger by relocating it towards your wrist. Don’t actually shot to touch your wrist, simply move her finger in that direction.

To stretch her flexor digiti minimi brevis in your foot, big your little toe in ~ its bottom joint toward the height of her foot. Girlfriend don’t have actually to produce a large stretch; simply a tiny bit of movement at that joint will certainly help.

More Information

For those that are more interested in technological terminology and smaller muscles, i recommend Flash Anatomy muscle Flash Cards. Any type of time a customer comes to me with pain, I usage these speed cards.

Do you have any kind of other proposal for strengthening or stretching the flexor digiti minimi brevis muscle of the hand and foot? let us understand in the comments below.

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