ヒールフック vs アンクルロック | BJJレッグロック比較
ヒールフックとアンクルロックの危険度・合法性・セットアップ・どちらを先に習得すべきかを比較。
この技は膝や足首に重大な怪我をもたらすリスクがあります。有資格の指導者の監督なしに試みないでください。初心者はレッグロックの練習前に基礎技術を習得してください。
ヒールフックとアンクルロックはBJJの基本的なレッグアタックですが、危険度と合法性が大きく異なります。
📊 比較
| Aspect | 🦵 Heel Hook | 🦶 Ankle Lock |
|---|---|---|
| Danger Level | ⚠️ Very high — can cause ACL/MCL tears | ✅ Lower — mainly tests Achilles tendon |
| Legal at 白帯 | No (IBJJF) | Yes — straight ankle lock allowed |
| Legal at 青帯 | No (IBJJF) | Yes |
| Legal at Purple+ | Outside heel hook: No / Inside: rules vary | Yes |
| Target Joint | Knee (rotational) | Ankle (compression) |
| Tap Speed Required | Immediate — damage comes suddenly | More warning before injury |
| No-Gi Relevance | Very high — elite competition standard | High — widely used |
| Best Entry | 50/50, outside sankaku, reap | Single leg X, outside heel hook defense |
Learn the ankle lock first — it teaches fundamental leg lock mechanics safely. Add heel hooks as an advanced tool once you have solid no-gi experience and mature training partners. In competition, know your ruleset — heel hooks are illegal in many beginner and intermediate divisions.
❓ FAQ
Are heel hooks dangerous for training?
Yes — heel hooks have caused serious knee injuries at all levels. Always apply slowly, use a training partner who will tap early, and never apply explosively. Many gyms restrict heel hooks to advanced practitioners.
Which leg lock should a beginner learn first?
Start with the straight ankle lock — it provides a foundation for leg lock mechanics with much lower injury risk. Add heel hooks only after developing mat experience and training with experienced partners.
Master both.
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