Standing elbow lock bracing a straight arm across the abdomen.
Standing elbow lock bracing a straight arm across the abdomen.
The step-by-step execution breakdown lives in the app — mechanics, tips, and the full entry sequence.
Open1submission detailin the App Store↗TAP URGENCY: URGENT - the load from flat arm to hyperextension is roughly one hip arch.
Common injury: bicep distal tear when the defender muscles the arm straight - tap early.
Common injury: elbow ligament strain from a snapped arch - apply pressure smoothly.
Warning sign: sharp pain at the elbow joint line signals imminent damage; tap at once.
Partner: hold pressure, never snap - the finish should feel slow even when it loads fast.
Drilling: build the entry and fulcrum first; add the hip arch only once the arm is flat.
Open Hara Gatame in Grapla to add it to your drilling queue, log every attempt, and watch your finish rate move over the next 30 days.