Quick Definition
Floating ribs are the lowest two pairs of ribs in the rib cage, the only ribs with no connection to the sternum. That missing anchor is exactly why they’re a favorite body shot target in MMA.
What are floating ribs?
The rib cage holds twelve pairs of ribs, split into three groups based on how they attach at the front. The first seven pairs, the true ribs, connect straight to the sternum. The next three, the false ribs, connect indirectly through shared cartilage. The last two pairs don’t connect to the sternum at all. Their front ends sit free in the abdominal wall, attached only to the spine at the back. That’s the origin of the name: with nothing anchoring them at the front, they float.
Floating ribs sit at the bottom of the rib cage, roughly level with the lower back and the top of the hips. On the right side, they sit close to the liver. Because they lack the front-end bracing that the other ten pairs have, they flex more under pressure and have less structural backup when something hits them hard. That single detail, the missing anchor, explains almost everything about why fighters go looking for this spot.
Why floating ribs are a body shot target
Every other rib gets some backup when it takes a hit. Force that lands on the true ribs runs through the cartilage into the sternum and spreads out. Force that lands on a floating rib has nowhere to go. There’s no sternum to help absorb it, so the impact stays concentrated right where it lands, and the bone flexes further before something gives.
That’s the mechanical reason body shots aimed low on the rib cage do more damage per pound of force than a shot higher up. It also explains why floating ribs turn up so often as casualties of body kicks and hooks, in fights and in the gym.
On the right side, floating ribs sit directly in front of the liver. A shot aimed at this area rarely hits one target in isolation. It can crack a rib, jar the liver, or do both at once, which is part of why commentators sometimes use “rib shot” and “liver shot” almost interchangeably even though they describe different injuries.
Floating ribs vs. liver vs. solar plexus
Fighters and commentators use these three terms so often in the same breath that they start to blur together. Each one describes a different structure, in a different location, with a different result when it’s hit clean.
| Target | Location | What a clean hit does |
|---|---|---|
| Floating ribs | Lower rib cage, both sides, no sternum attachment | Sharp localized pain, possible fracture, harder breathing on the struck side |
| Liver | Right side, beneath the lower ribs | Involuntary collapse from nerve shock, the classic body-shot knockout |
| Solar plexus | Center of the torso, just below the sternum | Diaphragm spasm, the “wind knocked out” feeling, temporary inability to breathe |
What happens when a floating rib is hit
A clean shot to a floating rib produces sharp, localized pain that doesn’t fade the way a shot to a well-protected part of the body does. Because the rib has no front-end support, a hard enough strike can crack it outright. Even without a fracture, the muscles around the rib tighten defensively, which restricts how deep a fighter can breathe on that side for the rest of the fight.
This is different from a liver shot, which can end a fight in a single strike through an involuntary nervous system response. Floating rib damage works more like erosion. A fighter can usually keep competing after one clean shot to the ribs, though breathing gets shallower and the guard drops lower to protect the area. Every follow-up shot after that lands with less resistance than the one before it.
Frequently Asked Questions
Are floating ribs and the liver shot the same thing?
No. The liver shot and rib shots are different injuries that happen to land in the same general area. Floating ribs are bone, the liver is the organ next to them, and a strike can affect one, the other, or both.
Why are floating ribs called “floating”?
Because their front ends don’t attach to anything, unlike every other rib, which connects to the sternum either directly or through cartilage. Floating ribs only reach the spine at the back.
How many floating ribs does a person have?
Two pairs, four ribs total, the 11th and 12th on each side. They’re the last two of the twelve rib pairs that make up the human rib cage.
Is it legal to target the ribs in MMA?
Yes. Under the Unified Rules of MMA, punches, kicks, knees, and elbows are legal to both the head and the body, and the rib area isn’t a protected or restricted target.
Can a cracked floating rib end a fight?
It can, but usually not instantly the way a liver shot does. A fighter with a cracked rib can often continue, just with compromised breathing and a lower guard, until the cumulative damage forces a stoppage.
Sources
- Cleveland Clinic. “Rib Cage (Thoracic Cage): What It Is, Anatomy & Function.” Accessed September 2026.
https://my.clevelandclinic.org/health/body/rib-cage - Kenhub. “Floating Ribs: Anatomy and Function.” Accessed September 2026.
https://www.kenhub.com/en/library/anatomy/floating-ribs - StatPearls (NCBI Bookshelf). “Anatomy, Thorax, Ribs.” Accessed September 2026.
https://www.ncbi.nlm.nih.gov/books/NBK538328/ - Merriam-Webster. “Floating Rib.” Accessed September 2026.
https://www.merriam-webster.com/dictionary/floating%20rib - Main Card Media. “What Is the Unified Rules of MMA: A Complete Breakdown.” Accessed September 2026.
https://maincardmedia.com/2026/05/11/what-is-the-unified-rules-of-mma/
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