RSM-DTM-016
Written by Hironori Ikeda, MSc Sports Medicine
RSM International Academy · Chiang Mai, Thailand
Do Ribs That Stick Out Need Treatment, or a Better Breathing and Reach Comparison?
A client may notice the lower ribs project forward, especially when reaching overhead. The real difficulty might be shoulder pain, an uncomfortable breath or extra effort in the lower back. The visible shape does not identify which of those questions matters.
I compare ordinary breathing, a comfortable exhalation and a specific reach before choosing abdominal or thoracic contact. This separates a change in rib position from a symptom that deserves treatment or medical assessment.
This article explains diaphragm and oblique function, useful position comparisons and conservative contact boundaries. It shows how to judge the original breath or reach without promising to push the ribs into alignment.
In This Article
- Do Ribs That Stick Out Need Treatment, or a Better Breathing and Reach Comparison?
- In This Article
- 1. Rib Flare: Establish the Symptom Before Interpreting the Shape
- 2. Diaphragm and Obliques: Quiet Exhalation Is Not Abdominal Gripping
- 3. Overhead Reach: Separate Shoulder Flexion From Lumbar Extension
- 4. Oblique Palpation: Use the Costal Margin as a Boundary
- 5. Re-test Breathing Comfort and the Same Shelf Reach
- Related RSM Clinical Blogs
- Study Deep Tissue Massage at RSM
1. Rib Flare: Establish the Symptom Before Interpreting the Shape
Rib flare becomes clinically useful when it relates to a repeatable complaint. Ask whether the problem is local discomfort, effort during breathing or difficulty placing an object on a high shelf. If the concern is appearance alone, I do not use the outline to diagnose a weak abdominal wall or a tight diaphragm.
Observe the lower ribs relative to the pelvis in relaxed standing, then in supported sitting. Compare at the same comfortable point in the breathing cycle; inspiration naturally changes the chest outline. Record whether the familiar symptom changes with the position, rather than deciding that one photograph shows the cause.
Respiratory symptoms change the pathway. Severe breathlessness, difficulty speaking or a tight, heavy chest needs emergency assessment; new or unexplained breathlessness needs medical assessment. A cosmetic rib shape and a breathing complaint should not receive the same massage plan.
Not every prominent costal margin is a posture habit. Chest-wall guidance from Texas Children's notes that lower-rib flaring can accompany pectus excavatum. Persistent focal pain with clicking or catching also deserves clinical assessment rather than repeated pressure under the ribs. Research on suspected slipping rib syndrome used specialist assessment and dynamic ultrasound; a visible flare or a tender spot alone cannot establish that diagnosis.
2. Diaphragm and Obliques: Quiet Exhalation Is Not Abdominal Gripping
During inspiration, the diaphragm contracts downward and increases thoracic volume; the external intercostals help raise the ribs. Quiet expiration is largely passive recoil as inspiratory muscles relax. The obliques become more active in forced expiration, so an abdominal squeeze is not the same condition as a relaxed out-breath.
With the client supported and comfortable, observe several ordinary breaths before offering a gentle exhalation cue. Ask whether the cue makes breathing easier or creates abdominal gripping, dizziness or extra effort. Do not require a maximal breath, perfect expansion in every direction or a prolonged breath hold.
A lower-rib outline that changes during an easy exhalation shows a position change, not a corrected disorder. If flattening the ribs requires sustained bracing or makes the next breath uncomfortable, I drop that cue. The useful goal is comfortable breathing during the client's activity.
3. Overhead Reach: Separate Shoulder Flexion From Lumbar Extension
During an overhead reach, watch the arm move into shoulder flexion and note when the lumbar spine extends or the lower ribs move forward. Some trunk contribution is expected; the relevant question is whether the familiar pain or breath holding begins at that phase. A reach that stops because of shoulder pain needs a shoulder assessment, not an automatic abdominal target.
Compare an unloaded reach in standing with a comfortable supported seated reach toward the same height where possible. Record the arm range, local symptom and breathing effort separately. If support makes the reach comfortable, use that finding to choose a manageable practice: let the client raise and lower the arm through the range they can use while breathing normally, rather than holding the ribs down throughout the movement. If the next breath becomes strained or the familiar symptom increases, reduce the reach or reconsider the shoulder and thoracic findings. A later trial can change the reach height or support, one at a time. Then return to the original standing task. Support identifies a condition worth exploring; it does not isolate the diaphragm, diagnose weak obliques or demonstrate that massage corrected the rib shape.
Diaphragm research has examined breathing during resisted limb tasks, but the cited study used supine imaging and isometric flexion. My shelf-reach comparison is a clinical reasoning step, not that laboratory test. I choose further assessment according to whether arm motion, spinal motion or breathing demand reproduces the complaint.
4. Oblique Palpation: Use the Costal Margin as a Boundary
The external oblique is a superficial abdominal-wall layer with fibres running generally downward and inward; the internal oblique lies deeper with a different fibre direction. These muscles contribute to trunk rotation and abdominal compression. Their location supports a lateral-wall assessment when local symptoms agree with the breathing or turning comparison.
With consent and comfortable support in side-lying, identify the iliac crest, costal margin and xiphoid before touching the chosen region. Begin with broad, tolerable contact on the lateral wall and adjust direction to the intended layer. Do not hook under the ribs, press on the xiphoid or increase pressure to claim direct access to the diaphragm.
The diaphragm separates the chest and abdominal cavities, so abdominal contact is not a simple deeper version of back-muscle work. Stop sharp, spreading or visceral discomfort, nausea or breathing difficulty and reassess the presentation. If there is no relevant local finding, choose a different assessment rather than treating the rib outline.
5. Re-test Breathing Comfort and the Same Shelf Reach
Repeat the original reach with the same stance, target height, arm load and instructions. Compare the symptom at the same phase, available arm range and breathing effort. Keep the supported seated comparison separate; an easier position does not demonstrate that treatment improved the original standing task.
If the original complaint was local discomfort during quiet breathing, return to ordinary breaths in the original position. Record whether comfort changes without a forced exhalation or extra bracing. When the problem develops only after repeated reaches or time on the feet, that tolerance still needs follow-up.
A smoother breath or reach can guide the next session, but it does not demonstrate lasting repositioning of the diaphragm. The observational breath–back literature does not establish that treatment claim. I retain a tissue target when the relevant symptom and task response support it, and reconsider unchanged or worsening findings.
Related RSM Clinical Blogs
Browse all Deep Tissue Massage clinical guides
▷ Flat-Back Posture: Pelvis, Hip & Lumbar Curve — Deep Tissue Massage · Compare hip and lumbar motion when the rib-pelvis outline is part of a standing complaint.
▷ Rib Flare: Breathing, Abdominal Wall & Rib-Pelvis Position — Dynamic Posture Assessment · Examine breathing and rib-pelvis position across supported and functional conditions.
▷ Why Do the Lower Ribs Flare Out? Exhalation & Abdominal Wall — Orthopedic Massage — Spine Mobility & Breathing · Develop the exhalation and abdominal-wall comparison within a thoracic assessment.
Study Deep Tissue Massage at RSM
The Deep Tissue Massage Course develops functional anatomy, clinical palpation and choices of tissue layer, direction and depth. Build on Trigger Point Therapy foundations to connect a local abdominal-wall or thoracic finding to a specific symptom.
Orthopedic Massage — Spine Mobility & Breathing adds focused study of spinal movement, rib mechanics and breathing assessment. This helps place a local contact choice within a broader examination rather than treating rib flare as a stand-alone muscle diagnosis.
View the course schedule and entry requirements · Ask about course suitability and registration
About the Author
Hironori Ikeda, MSc Sports Medicine
Hironori leads RSM International Academy in Chiang Mai, Thailand. His teaching connects functional anatomy, clinical palpation and kinetic-chain assessment with practical massage decisions.
Read Hironori’s professional background and teaching approach