Men: That Belly Bulging During Exercise May be Caused By Rectus Diastasis

Men can have rectus diastasis. If a ridge rises along the middle of your belly during exercise, abdominal separation is one possible explanation. The ridge itself is not a diagnosis. Notice when it appears and have a persistent or painful bulge assessed.

Men’s infographic showing belly doming, the abdominal midline, and a lower-demand exercise
Use what you see as a reason to slow down, not as a diagnosis.

Why exercise may reveal a ridge

The rectus muscles lie on either side of the belly’s center. Repeated stretching of the tissue between them can lead to separation. The Tupler Technique® explanation includes causes beyond pregnancy, so this can affect men too.

A ridge during a sit-up is easier to notice than a gap you cannot see. It tells you what your belly does during that movement; it does not tell you the size of a gap or whether you have a hernia.

What to do when you notice it

Pause the movement that brings out the ridge. Note whether it appeared during a crunch, lift, or another effort. Avoid repeatedly pushing the belly forward while you seek guidance.

The Tupler Technique® includes body mechanics, awareness of the deep transverse abdominal muscle, specific exercises, and splinting. A brief article cannot determine the right exercise or fit for your body.

Get the right assessment

The Tupler Technique® self-check video explains how to look at both the distance between the muscles and the tissue between them. If a bulge is new, tender, firm, or changing, ask a qualified healthcare professional to examine it.

A coach can explain the Tupler Technique® if diastasis is your concern. A medical professional should assess pain or a possible hernia before you rely on an exercise plan.

Learn more about the Tupler Technique®

Explore the men’s guide

Common questions

Can men have rectus diastasis?

Yes. Abdominal muscle separation can affect men as well as women.

Does a ridge during exercise prove I have diastasis recti?

No. A ridge is a reason to look more closely, not a diagnosis.

What if the bulge hurts?

Stop the activity and seek medical advice. Get urgent care for severe pain or a hard bulge that will not relax.

The Tupler Technique® was created by Julie Tupler, RN. Sources: What Is Diastasis Recti? and The Tupler Technique® overview. General information; your healthcare professional can advise you about your own symptoms.

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About Julie Tupler RN

Julie Tupler, RN, is a registered nurse, certified childbirth educator, certified personal trainer, and creator of the Tupler Technique® Program, which she developed in 1990. For more than 30 years, she has been teaching and developing the Tupler Technique® Program for the treatment of diastasis recti in women, men, and children. Through Diastasis Rehab, Julie teaches clients and professionals how to use the Tupler Technique® to help address abdominal separation with a non-surgical, research-based approach. She is also the author of multiple books on maternal fitness and diastasis recti, including Maternal Fitness, Lose Your Mummy Tummy, Together Tummy, and Will You Be My Belly Buddy?