Alias · Leg Locks
Footlock
Also known as Straight Ankle Lock — the canonical term used on this site.
Training background: Colloquial
Colloquial — generic foot-and-ankle submission
Footlock is the colloquial generic name for the straight ankle lock and related foot-and-ankle submissions — used as the umbrella term in casual coaching vocabulary.
Etymology. “Footlock” is generic gym vocabulary that doesn’t specify which ankle-attack variant is meant (straight ankle lock, toe hold, Achilles lock, etc.). Precise vocabulary uses the specific name; “footlock” predominates in casual speech.
Mechanics. When the term refers to the straight ankle lock, the configuration compresses the Achilles tendon and loads the anterior ankle capsule via dorsiflexion plus hip extension.
Cross-reference. “Achilles Lock,” “Straight Foot Lock,” and “Straight Ankle Lock” are alternate names. Full mechanical coverage on Straight Ankle Lock.