Glossary /// Alias
Trenzinho
Family Leg Locks
Also known as Tren Lock — the canonical term used on this site.
Training background: Portuguese origin of the name — "little train"
Portuguese origin of the tren lock name — 'little train'
Trenzinho is the Portuguese origin of the name shortened to “tren” in English-language coaching.
Etymology. Portuguese for “little train”. The shortened English form drops the diminutive and is the canonical name on this site.
Mechanics. Knee-line control built from a V-lever behind the shin and closed with a leg triangle, finishing as a short Achilles lock.
Cross-reference. “Tren lock” is the canonical name. Full coverage on Tren Lock.