Are breast implants under the muscle distorted from certain movements during exercise/weight lifting?

Is muscle distortment from exercise permanent after movement or only during the movement? What is normal for the breast during weightlifting movements?I will be going back to crossfit at 6 weeks PO and worried about the weight lifting movements involved. I've heard about muscle distortion, will the distortion of the implant be affected only during the movement or will the implant be distorted after the movement as well?

Doctor Answers 5

Dynamic deformity

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Thanks for your question-- Any implant in the subpectoral position can exhibit a dynamic deformity when you flex your pectoral muscles.  The easiest way to test this yourself is to press your palms together while facing a mirror.  By watching the position of your implants and sometimes the nipple position, you may notice this "dynamic deformity".  "Dynamic" because it is only present with movement.  When the pectoral muscle is relaxed, this deformity is not seen.  This is often a result of either inadequate release of the pectoral muscle low in the pocket, or a result of the edge of the muscle healing too tightly to the overlying breast gland/skin.  When the pectoral muscle flexes, the skin and breast are retracted, and the implant is pressed laterally.  This doesn't happen to every woman, and the severity of the defect varies.  Most women barely notice this.  Others may seek revisional surgery to release these attachments.  The best way to avoid it all together, especially in female bodybuilders who flex these muscles frequently, is to place the implant in the subglandular (above the muscle) position.  You may not be bothered by this harmless finding enough to want another surgery.  Besides, the improved soft-tissue coverage of the implant and the lower risk of capsular contracture are reasons to keep the implant in a subpectoral position.  Best regards!

Warwick Plastic Surgeon

Distortion of Breast Implants

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Thank you for your inquiry on breast augmentation.The distortion of your implants is temporary. 
  • It is the result of the pectoral muscle contracting – and pressing on the implant, changing its shape until the muscle relaxes again. 
  • So it is not a permanent effect. And it does not happen to every woman. 
  • Often when the implant settles, it lies slightly below the maximum contraction of the pectorals and distortion is minimal. 
I hope this helps.

Best Wishes.


Breast Implants Under the Muscle for weightlifters bodybuilders

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Attention to detail during implant pocket dissection is of utmost importance. If the inferior origin of the pectoralis major muscle is not completely released across the entire length of the inframammary fold, two problems occur. 1) The patient will end up with an animation deformity, meaning that when the pectoralis major muscle actively contracts the implant is squeezed upward, or outward, or both. 2) The other problem is that the pectoralis major muscle unreleased at its inferior origin will hold the implants too high producing a very full in the upper pole appearance, and a very inadequately augmented lower pole appearance.
My website contains an entire section devoted to breast augmentation for fitness models and body builders.   

Michael Law, MD
Raleigh-Durham Plastic Surgeon
4.8 out of 5 stars 123 reviews

Muscle distortion

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Everyone will have some level of distortion, to some it is irrelvant, some a nuisance and some a huge deal. If you are big into weights I suggest a smaller textured implant above the muscle


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I do many weightlifters, fitness competitors and bodybuilders and in my experience, with submuscular placement, the "distortions" are only during the flexion movement. This is natural as the pectoralis is compressing the implant.

These answers are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.