Breast Implant Placement: Over vs Under the Muscle Explained
Published on June 17, 2026 by Jenna Bourgeois
Breast implants can be placed either over the chest muscle, known as subglandular placement, or under it, referred to as submuscular placement, and each option offers different benefits for your final look. Choosing the right position is a big part of feeling the best in your own skin, as it impacts everything from the slope of your breast takeoff and cleavage to your recovery time. Bourgeois Plastic Surgery acts as your trusted guide through this process, ensuring your decision is based on a personalized plan that honors your unique body and aesthetic goals. We believe that professionalism, excellence, and compassion are the keys to helping you achieve a result that feels like a natural extension of yourself.
Over vs. Under the Muscle: What’s the Difference?
The primary difference between these two methods lies in where the implant sits relative to the pectoralis major muscle. Understanding the anatomical distinction helps you visualize how the implant will interact with your natural breast tissue.
Over the Muscle (Subglandular Placement)
With over-the-muscle breast implants, the device is placed directly behind the existing breast tissue and on top of the chest muscle. This placement is often chosen because it typically involves a slightly shorter surgery and a slightly less post-operative soreness in the chest wall.
Under the Muscle (Submuscular Placement)
When comparing under-muscle vs over-muscle placement, submuscular placement means placing the implant partially or fully beneath the chest muscle. This provides an extra layer of soft-tissue coverage over the implant. It is a very common choice for patients who want a gradual transition from the collarbone to the breast.
Comparing Results: Appearance, Feel, and Visibility
How your implants look and feel to the touch is often influenced by the amount of natural tissue covering the device.
Natural Look and Feel
Under-the-muscle placement often creates a softer, more gradual slope at the top of the breast, which many patients find looks more natural. Conversely, placing the implant over the muscle can provide a more defined look, which may be preferred by those looking for a specific silhouette.
Risk of Rippling and Visibility
For thinner patients with very little natural breast tissue, there is a higher risk of seeing or feeling the edges of the implant in over the muscle placement. The added muscle coverage from submuscular placement acts as a buffer, significantly reducing the implant’s visibility and the likelihood of rippling.
Impact on Mammograms and Monitoring
Placement can also affect how clearly your breast tissue is seen during routine imaging. While both placements are safe, submuscular implants generally interfere less with mammograms. Regardless of implant placement, you can still get accurate mammogram results and we recommend working with experienced providers to ensure proper screening protocols are followed.
Recovery, Lifestyle, and Choosing the Right Option
Your daily routine and activity level play a significant role in determining which surgical technique will serve you best in the long run.
Recovery Time and Comfort
While every patient is different, under-the-muscle placement may involve more initial soreness because the chest muscle must stretch to accommodate the implant. Over the muscle placement often allows for a quicker early recovery, making it an option for those who need to return to light daily activities more rapidly.
Lifestyle and Activity Level
If you are an athlete or highly active, we will discuss how muscle movement might affect your implants. In some cases, strong chest muscles can cause the implants to shift slightly with a mild animation deformity during exercise, a factor we carefully consider when designing your surgical plan.
Body Type and Existing Tissue
Patients with less natural breast tissue often benefit from the added coverage of the muscle. However, if you already have a significant amount of breast tissue, over-the-muscle placement might provide the lift and projection you desire.
Find the Right Breast Implant Placement for You at Bourgeois Plastic Surgery
The best results always come from individualized planning and a deep understanding of your personal goals. We are committed to providing exceptional care that prioritizes your comfort and confidence throughout your entire journey. Contact Bourgeois Plastic Surgery today to schedule a consultation for your breast augmentation with board-certified plastic surgeon Dr. Jenna Bourgeois. Dr. Bourgeois is a highly skilled medical professional and is dedicated to providing her patients with exceptional care and outstanding results.
