The rule of thumb: muscles that do little work stay tender — cook them hot & fast (tenderloin, ribeye). Hard-working muscles near the legs, shoulder, and neck are tougher — cook them low & slow so the collagen melts (brisket, shank, chuck). Each cut below carries a 5-dot muscle-work meter.
Both. The anatomy is universal, but where the knife falls, the thickness, whether the bone stays, and how fat is trimmed all differ by tradition. "Sirloin" in a UK shop and "sirloin" in a US shop are genuinely different pieces of meat.
Bottom line: treat this atlas as a translation guide, not an exact map — some cuts simply don't exist in some countries, and we say so rather than forcing an equivalent.
The muscle-vs-cut model. Each of the 33 entries is anchored to one anatomical muscle — the objective, universal unit — and then shows how each country turns that muscle into a named cut: fat cap on or off, bone in or out, sliced across or with the grain, sold whole or as steaks. That is why picanha and a trimmed coulotte are the same muscle but separate entries, and why Argentina's vacío and Brazil's fraldinha sit in their own “flap” entry rather than being lumped under flank or skirt.
The confidence badges. Each name table carries a rating.
✓ Well-verified — multiple independent sources agree the same muscle is meant across all seven countries.
⚠ Names vary — at least one country's term is a known naming trap or approximation (e.g. UK “sirloin” is the US strip, not the US sirloin).
⚠ Contested equivalence — the underlying cut is genuinely debated, as with the Austrian/Slovenian Tafelspitz, described variously as the rump cap (picanha), tri-tip, or top round; rather than force one muscle, we flag it.
How it was verified. Every muscle → country-name mapping was cross-checked over three research rounds against country-specific butcher sources and authoritative meat science. Muscle anatomy was confirmed against the UK's AHDB, the US Beef Checkoff, Texas A&M meat science, Brazil's Embrapa, Argentina's IPCVA, and peer-reviewed muscle-profiling studies. Where a cut has no genuine equivalent in a country we say so in italics rather than invent a translation — tri-tip has no native Slovenian name, and hanger is rarely sold in Slovenia because the diaphragm is removed at slaughter. Regional variation is real: Colombian names differ across Medellín, Bogotá, Cali and the coast, so we list the most widely recognised term first.
Photos. Every cut photograph is Creative-Commons licensed (or public domain), with the photographer, licence and source credited beneath the image. A few show the cut cooked where no freely-licensed raw photo exists.
- AHDB (UK levy board) — beef cuts & muscles (silverside = biceps femoris, topside = semimembranosus, thick flank = knuckle)
- US Beef Checkoff — Beef Cuts & Beef Research muscle profiling
- Texas A&M Meat Science (brisket flat = pectoralis profundus, point = superficialis)
- Peer-reviewed muscle profiling (tenderloin = psoas major; striploin = longissimus lumborum)
- SciELO (Nelore) (cupim = the zebu rhomboideus hump)
- Wikipedia — Cut of beef, Primal cut & Sirloin steak (US/UK sirloin-vs-rump)
- BC Campus — Meat Cutting & Processing (professional butchery textbook)
- IPCVA / Argentine Beef & Nomenclador de cortes (tapa de cuadril, colita de cuadril, marucha, vacío, caracú)
- AHDB — salmon cut / silverside (UK eye of round vs bottom round)
- G.J. Honour Family Butcher — US ↔ British translation
- CONtexto Ganadero — 12 cortes de carne (cattle-industry publication)
- CONtexto Ganadero — names by city (Medellín / Bogotá / Cali / coast)
- Embrapa — cortes bovinos (fraldinha = obliquus internus; coxão mole / duro)
- TasteAtlas, Texas de Brazil & Easy & Delish (churrasco cuts & US↔BR chart)
- CustomGrills.si — slovenski prevodi (BBQ butchery reference)
- Foodium (beli krajec = eye of round; črni krajec = bottom round)
- Tri-tip vs picanha — different muscles (tensor fasciae latae vs biceps femoris cap)
- Tafelspitz — the contested cut behind the Austrian/Slovenian dish
A fuller provenance log — every mapping cross-checked across three research rounds against ~150 sources — backs this atlas; the sources above are the primary authorities. Individual cards link their own country-specific sources.