What is Rib Flare? Learn How to Check for Rib Protrusion

What is Rib Flare?

Rib flare, also known as rib protrusion or eversion, refers to the bending outward of the ribs, particularly along the lower ribs. This results in the bottom ribs jutting out further than normal from the ribcage. Rib flare is typically more pronounced on the lower left side below the chest but can occur bilaterally. While mild rib flare is common and considered normal, excessive rib protrusion can indicate potential problems.

Causes of Rib Flare

There are several possible causes for pronounced rib flare:

• Poor posture - Slouched sitting and standing can push the lower ribs outward. Rounded shoulders also encourage rib protrusion.
• Scoliosis - Sideways curvature of the spine can cause rib cage asymmetry and flare on one side.
• Pectus excavatum - This indent in the breastbone allows ribs to flare outwards from the sunken chest wall.
• Abdominal muscle weakness - Weak or lengthened abdominals allow the lower ribs to splay outward.
• Pregnancy - The expanding uterus in late pregnancy can displace ribs outward.
• COPD - Chronic obstructive pulmonary disease increases lung pressure, causing the chest to inflate and ribs to flare.
• Obesity - Excess fat and weight on the belly can push lower ribs outward.

Symptoms of Rib Flare

Signs and symptoms that may indicate rib flare include:

• Visible protrusion of the lower ribs when standing up straight
• One side of the ribcage appears more prominent than the other
• Posture abnormalities like rounded shoulders or excessive arch in lower back
• Bulging or gap between ribs
• Indent along the sternum
• Torso looks wider or barrel-shaped
• Lower back pain
• Difficulty taking deep breaths

Performing a Rib Flare Test

Doing a simple rib flare test can help determine if you have significant rib protrusion. Here's how to check for rib flare at home:

Standing Assessment

1. Stand straight with your feet shoulder-width apart.
2. Let your arms hang relaxed at your sides. Don't pull your shoulders back.
3. Relax your stomach muscles - don't suck in your gut.
4. Observe your torso from the front, side, and back.
5. If your lower ribs protrude sharply outwards, you likely have rib flare.
6. Note any asymmetry between your left and right sides.

Seated Assessment

1. Sit comfortably on a stool or chair with your back straight.
2. Place your hands on your thighs and keep your shoulders relaxed.
3. Look down at your bare midriff. Pay attention to your lower ribs.
4. If your ribs push markedly outwards, especially on just one side, you probably have significant rib flare.

Deep Breath Test

1. Stand or sit tall with proper upright posture.
2. Place your hands lightly on the sides of your lower ribs.
3. Take a slow, deep breath in through your nose.
4. Feel how your ribs expand under your hands as your lungs fill with air.
5. If you feel your lower ribs lift upward abnormally or have difficulty taking a full breath, rib flare may be interfering.

Diagnosing Rib Flare

If the rib flare test indicates protrusion, see your doctor for an official diagnosis. They will examine your ribs, chest, and torso alignment. Diagnostic tests may include:

• Chest x-ray - Checks rib positioning and screens for pectus excavatum.
• CT or MRI scan - Further evaluates rib abnormalities and underlying causes.
• Pulmonary function tests - Assess breathing capacity if flare impairs lung expansion.
• Scoliosis x-ray - Screens for spinal curves contributing to rib asymmetry.

Your doctor may also check for joint hypermobility which can increase rib flaring.

Risks of Rib Flare

Letting significant rib protrusion go untreated can lead to complications like:

• Poor posture
• Back pain
• Muscle imbalances and tightness
• Decreased respiratory function
• Gastrointestinal issues from organ compression
• Spinal deformities like scoliosis
• Shoulder problems from thoracic kyphosis
• Self-consciousness about appearance

Treating Rib Flare

Options for improving the appearance and discomfort of rib flare include:

Posture Exercises and Training

Targeted exercises and mindfulness practice can help correct poor posture habits that contribute to rib protrusion.

Core Strengthening

Building strength in the abdominal muscles can help draw the ribs inward for a narrower torso.

Physical Therapy

Working with a physical therapist to stretch tight chest muscles and strengthen the upper back can improve alignment and support the ribs.

Chiropractic Care

Spinal adjustments can reposition displaced ribs and address poor thoracic mobility causing flare.

Orthotics or Bracing

Supportive orthotic devices can externally help relieve flare and improve posture.

Surgery

In severe protrusion cases, surgery to tighten chest cartilage or insert a pectus bar can reshape the ribcage.

Preventing Rib Flare

Proper posture and strengthening exercises can help prevent excessive rib protrusion. Useful tips include:

• Maintain upright posture when standing and sitting
• Open up the chest by squeezing shoulder blades together
• Stretch chest muscles like the pectorals
• Build strength in the upper back and abdominals
• Sleep on your back to keep ribs properly stacked
• Use good form when lifting weights
• Minimize abdominal distension
• Consider chiropractic care

When to See a Doctor

Consult your doctor if you have:

• Significant or asymmetric rib protrusion
• Worsening posture
• Pain or breathing problems
• Rib flare that doesn't improve with posture correction
• Other worrisome symptoms

A doctor can evaluate your rib flare, diagnose any underlying conditions, and provide appropriate treatment.

The Bottom Line

Mild rib flare along the lower ribs is common, but pronounced protrusion or asymmetry can indicate postural abnormalities or other issues. Doing a simple rib flare test at home gives a quick assessment. Correcting posture, stretching, and strengthening key muscles can often minimize protrusion. See a doctor for lasting rib flare that doesn't get better with conservative care.

Disclaimer: This article is for informational purposes only and does not constitute medical advice. Always consult with a healthcare professional before starting any new treatment regimen.